merge master v6.0

src/ifcbimtester/bimtester/features/environment.py

@@ -1,12 +1,70 @@
+import os
+
 from behave.model import Scenario
 
+from logfile import create_logfile
+from logfile import append_logfile
+from zoom_smart_view import append_zoom_smartview
+from zoom_smart_view import create_zoom_smartview
+
+
+this_path = os.path.dirname(os.path.realpath(__file__))
+
 
 def before_all(context):
+
+    # get from userdata
     userdata = context.config.userdata
     context.ifcbasename = userdata["ifcbasename"]
     context.localedir = userdata.get("localedir")
 
     # do not break after a failed scenario
     # https://community.osarch.org/discussion/comment/3328/#Comment_3328
-    continue_after_failed = userdata.getbool("runner.continue_after_failed_step", True)
+    continue_after_failed = userdata.getbool(
+        "runner.continue_after_failed_step", True
+    )
     Scenario.continue_after_failed_step = continue_after_failed
+
+    # keep out path
+    context.outpath = os.path.join(this_path, "..")
+
+    # since bimtesterfc directory in tmp is removed on every run
+    # neither log file nor sm file does need to be explicit removed first
+
+    # set up log file
+    context.thelogfile = os.path.join(
+        context.outpath,
+        context.ifcbasename + ".log"
+    )
+    create_logfile(
+        context.thelogfile,
+        context.ifcbasename,
+    )
+
+    # set up smart view file
+    context.smview_file = os.path.join(
+        context.outpath,
+        context.ifcbasename + ".bcsv"
+    )
+    create_zoom_smartview(
+        context.smview_file,
+        context.ifcbasename,
+    )
+
+
+def after_step(context, step):
+
+    if step.status == "failed":
+
+        # append log file
+        append_logfile(context, step)
+
+        # extend smart view
+        if hasattr(context, "falseguids"):
+            # print(context.falseguids)
+
+            append_zoom_smartview(
+                context.smview_file,
+                step.name,
+                context.falseguids
+            )

src/ifcbimtester/bimtester/features/steps/attributes_eleclasses.py

@@ -1,36 +1,49 @@
 from behave import step
 
-from attributes_eleclasses_methods import all_element_attribs_have_a_value
+import attributes_eleclasses_methods as aem
-from attributes_eleclasses_methods import name_has_a_value
-from attributes_eleclasses_methods import description_has_a_value
-from attributes_eleclasses_methods import no_element_class_ele
 from utils import assert_elements
 from utils import IfcFile
 from utils import switch_locale
 
 
+the_lang = "en"
+
+
 @step("there are no {ifc_class} elements because {reason}")
 def step_impl(context, ifc_class, reason):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    no_element_class_ele(context, ifc_class, reason)
+    aem.no_eleclass_because_reason(
+        context,
+        ifc_class,
+        reason
+    )
 
 
 @step('all {ifc_class} elements class attributes have a value')
 def step_impl(context, ifc_class):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    all_element_attribs_have_a_value(context, ifc_class)
+    aem.eleclass_have_class_attributes_with_a_value(
+        context,
+        ifc_class
+    )
 
 
 @step('all {ifc_class} elements have a name given')
 def step_impl(context, ifc_class):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    name_has_a_value(context, ifc_class)
+    aem.eleclass_has_name_with_a_value(
+        context,
+        ifc_class
+    )
 
 
 @step('all {ifc_class} elements have a description given')
 def step_impl(context, ifc_class):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    description_has_a_value(context, ifc_class)
+    aem.eleclass_has_description_with_a_value(
+        context,
+        ifc_class
+    )
 
 
 @step('all {ifc_class} elements have a name matching the pattern "{pattern}"')

src/ifcbimtester/bimtester/features/steps/attributes_eleclasses_methods.py

@@ -4,7 +4,9 @@ from utils import assert_elements
 from utils import IfcFile
 
 
-def no_element_class_ele(context, ifc_class, reason):
+def no_eleclass_because_reason(
+    context, ifc_class, reason
+):
 
     context.falseelems = []
     context.falseguids = []
@@ -41,7 +43,9 @@ def no_element_class_ele(context, ifc_class, reason):
         assert False, _("Error in falsecount, something went wrong.")
 
 
-def all_element_attribs_have_a_value(context, ifc_class):
+def eleclass_have_class_attributes_with_a_value(
+    context, ifc_class
+):
 
     from ifcopenshell.ifcopenshell_wrapper import schema_by_name
     # schema = schema_by_name("IFC2X3")
@@ -84,7 +88,7 @@ def all_element_attribs_have_a_value(context, ifc_class):
     )
 
 
-def name_has_a_value(context, ifc_class):
+def eleclass_has_name_with_a_value(context, ifc_class):
 
     context.falseelems = []
     context.falseguids = []
@@ -109,7 +113,9 @@ def name_has_a_value(context, ifc_class):
     )
 
 
-def description_has_a_value(context, ifc_class):
+def eleclass_has_description_with_a_value(
+    context, ifc_class
+):
 
     context.falseelems = []
     context.falseguids = []

src/ifcbimtester/bimtester/features/steps/attributes_psets.py

@@ -1,15 +1,23 @@
 from behave import step
 
-from attributes_psets_methods import all_eleclass_elements_have_prop_in_pset
+import attributes_psets_methods as apm
 from utils import assert_elements
 from utils import IfcFile
 from utils import switch_locale
 
 
+the_lang = "en"
+
+
 @step("all {ifc_class} elements have an {aproperty} property in the {pset} pset")
 def step_impl(context, ifc_class, aproperty, pset):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    all_eleclass_elements_have_prop_in_pset(context, ifc_class, aproperty, pset)
+    apm.eleclass_has_property_in_pset(
+        context,
+        ifc_class,
+        aproperty,
+        pset
+    )
 
 
 # ------------------------------------------------------------------------

src/ifcbimtester/bimtester/features/steps/attributes_psets_methods.py

@@ -4,7 +4,9 @@ from utils import assert_elements
 from utils import IfcFile
 
 
-def all_eleclass_elements_have_prop_in_pset(context, ifc_class, aproperty, pset):
+def eleclass_has_property_in_pset(
+    context, ifc_class, aproperty, pset
+):
 
     context.falseelems = []
     context.falseguids = []

src/ifcbimtester/bimtester/features/steps/geometric_detail.py

@@ -1,11 +1,14 @@
 from behave import step
 
-from geometric_detail_methods import class_geometric_representation
+import geometric_detail_methods as gdm
 from utils import assert_elements
 from utils import IfcFile
 from utils import switch_locale
 
 
+the_lang = "en"
+
+
 @step("All elements must be under {number} polygons")
 def step_impl(context, number):
     number = int(number)
@@ -36,5 +39,9 @@ def step_impl(context, number):
 
 @step("all {ifc_class} elements have an {representation_class} representation")
 def step_impl(context, ifc_class, representation_class):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
-    class_geometric_representation(context, ifc_class, representation_class)
+    gdm.eleclass_has_geometric_representation_of_specific_class(
+        context,
+        ifc_class,
+        representation_class
+    )

src/ifcbimtester/bimtester/features/steps/geometric_detail_de.py

@@ -1,10 +1,17 @@
 from behave import step
 
-from geometric_detail_methods import class_geometric_representation
+import geometric_detail_methods as gdm
 from utils import switch_locale
 
 
+the_lang = "de"
+
+
 @step("Alle {ifc_class} Bauteile müssen eine geometrische Repräsentation der Klasse {representation_class} verwenden")
 def step_impl(context, ifc_class, representation_class):
-    switch_locale(context.localedir, "de")
+    switch_locale(context.localedir, the_lang)
-    class_geometric_representation(context, ifc_class, representation_class)
+    gdm.eleclass_has_geometric_representation_of_specific_class(
+        context,
+        ifc_class,
+        representation_class
+    )

src/ifcbimtester/bimtester/features/steps/geometric_detail_methods.py

@@ -3,7 +3,11 @@ from utils import assert_elements
 from utils import IfcFile
 
 
-def class_geometric_representation(context, ifc_class, representation_class):
+def eleclass_has_geometric_representation_of_specific_class(
+    context,
+    ifc_class,
+    representation_class
+):
 
     def is_item_a_representation(item, representation):
         if "/" in representation:

src/ifcbimtester/bimtester/features/steps/ifcdata.py

@@ -6,6 +6,10 @@ from ifcdata_methods import assert_schema
 from utils import IfcFile
 from utils import switch_locale
 
+
+the_lang = "en"
+
+
 @step('The IFC schema "{schema}" must be provided')
 def step_impl(context, schema):
     try:
@@ -15,6 +19,7 @@ def step_impl(context, schema):
     except:
         assert False, f"The schema {schema} could not be loaded"
 
+
 @step('The IFC file "{file}" must be provided')
 def step_impl(context, file):
     try:
@@ -22,6 +27,7 @@ def step_impl(context, file):
     except:
         assert False, f"The file {file} could not be loaded"
 
+
 @given('The IFC file has been provided through an argument')
 def step_impl(context):
     try:
@@ -29,6 +35,7 @@ def step_impl(context):
     except:
         assert False, f"The IFC {context.config.userdata.get('ifcfile')} file could not be loaded"
 
+
 @given('A file path has been provided through an argument')
 def step_impl(context):
     try:
@@ -36,9 +43,10 @@ def step_impl(context):
     except:
         assert False, f"The path {context.config.userdata.get('path')} could not be loaded"
 
+
 @step("IFC data must use the {schema} schema")
 def step_impl(context, schema):
-    switch_locale(context.localedir, "en")
+    switch_locale(context.localedir, the_lang)
     assert_schema(context, schema)
     
 

src/ifcbimtester/bimtester/features/steps/ifcdata_de.py

@@ -3,7 +3,11 @@ from behave import step
 from ifcdata_methods import assert_schema
 from utils import switch_locale
 
+
+the_lang = "de"
+
+
 @step("Die IFC Daten müssen das {schema} Schema benutzen")
 def step_impl(context, schema):
-    switch_locale(context.localedir, "de")
+    switch_locale(context.localedir, the_lang)
     assert_schema(context, schema)

src/ifcbimtester/bimtester/features/steps/ifcdata_fr.py

@@ -3,7 +3,11 @@ from behave import step
 from ifcdata_methods import assert_schema
 from utils import switch_locale
 
+
+the_lang = "fr"
+
+
 @step("Les données IFC doivent utiliser le schéma {schema}")
 def step_impl(context, schema):
-    switch_locale(context.localedir, "fr")
+    switch_locale(context.localedir, the_lang)
     assert_schema(context, schema)

src/ifcbimtester/bimtester/features/steps/model_federation.py

@@ -1,5 +1,5 @@
 import ifcopenshell.util.geolocation
-import numpy as np
+import ifcopenshell.util.placement
 from behave import step
 
 from utils import assert_number
@@ -7,31 +7,6 @@ from utils import assert_type
 from utils import IfcFile
 
 
-def a2p(o, z, x):
-    y = np.cross(z, x)
-    r = np.eye(4)
-    r[:-1, :-1] = x, y, z
-    r[-1, :-1] = o
-    return r.T
-
-
-def get_axis2placement(plc):
-    z = np.array(plc.Axis.DirectionRatios if plc.Axis else (0, 0, 1))
-    x = np.array(plc.RefDirection.DirectionRatios if plc.RefDirection else (1, 0, 0))
-    o = plc.Location.Coordinates
-    return a2p(o, z, x)
-
-
-def get_local_placement(plc):
-    if plc is None:
-        return np.eye(4)
-    if plc.PlacementRelTo is None:
-        parent = np.eye(4)
-    else:
-        parent = get_local_placement(plc.PlacementRelTo)
-    return np.dot(get_axis2placement(plc.RelativePlacement), parent)
-
-
 def get_decimal_points(value):
     try:
         return len(value.split(".")[1])
@@ -83,7 +58,7 @@ def step_impl(context, guid, easting, northing, elevation):
     element = IfcFile.by_guid(guid)
     if not element.ObjectPlacement:
         assert False, "The element does not have an object placement: {}".format(element)
-    m = get_local_placement(element.ObjectPlacement)
+    m = ifcopenshell.util.placement.get_local_placement(element.ObjectPlacement)
     e, n, h = ifcopenshell.util.geolocation.xyz2enh(
         m[0][3],
         m[1][3],
@@ -110,7 +85,7 @@ def step_impl(context, guid, x, y, z):
     element = IfcFile.by_guid(guid)
     if not element.ObjectPlacement:
         assert False, "The element does not have an object placement: {}".format(element)
-    m = get_local_placement(element.ObjectPlacement)
+    m = ifcopenshell.util.placement.get_local_placement(element.ObjectPlacement)
     element_x = round(m[0][3], get_decimal_points(x))
     element_y = round(m[1][3], get_decimal_points(y))
     element_z = round(m[2][3], get_decimal_points(z))

src/ifcbimtester/bimtester/reports.py

@@ -14,7 +14,7 @@ def generate_report(
     html_template_file_path=""
 ):
 
-    # print("# Generating HTML reports now.")
+    print("# Generating HTML reports now.")
 
     # get locale path
     localedir = os.path.join(
@@ -150,7 +150,7 @@ def generate_report(
 
 
 def get_html_template_strings():
-    print(_("OpenBIM auditing is a feature of"))
+
     return {
         "tr_lang": _("en"),
         "tr_success": _("Success"),

src/ifcbimtester/bimtester/run.py

@@ -144,13 +144,13 @@ def run_intmp_tests(args={}):
         )
         return False
 
-    # get the features_path, the feature files where the tests are in
+    # get the features_path, the dir where the feature files to test are in
     if "features" in args and args["features"] != "":
-        features_path = os.path.join(args["features"], "features")
+        the_features_path = os.path.join(args["features"], "features")
-        if not os.path.isdir(features_path):
+        if not os.path.isdir(the_features_path):
             print(
                 "The features directory does not exist: {}"
-                .format(features_path)
+                .format(the_features_path)
             )
             return False
     else:
@@ -191,23 +191,47 @@ def run_intmp_tests(args={}):
     os.mkdir(run_path)
     report_path = os.path.join(run_path, "report")
     copy_features_path = os.path.join(run_path, "features")
-    copy_steps_path = os.path.join(copy_features_path, "steps")
+
+    # copy features path from bimtester source code
+    srccode_features_path = os.path.join(
+        bimtester_path,
+        "features",
+    )
+    # print(srccode_features_path)
+    if os.path.exists(srccode_features_path):
+        shutil.copytree(srccode_features_path, copy_features_path)
+    else:
+        print(
+            "Bimtester source code features directory {} not found."
+            .format(srccode_features_path)
+        )
+        return False
 
     # copy features files
-    # print(features_path)
+    # print(the_features_path)
     # print(copy_features_path)
-    if os.path.exists(features_path):
+    # parameter dirs_exist_ok=True, from py 3.8
-        shutil.copytree(features_path, copy_features_path)
+    # if os.path.exists(the_features_path):
+    #     shutil.copytree(
+    #         the_features_path,
+    #         copy_features_path,
+    #         dirs_exist_ok=True
+    # )
 
-    # replace ifcpath in feature files
+    # copy feature files and replace ifcpath in feature files
-    # IMHO better than copy the ifc file which could be 500 MB
+    # replaceing is IMHO better than copy the ifc file which could be 500 MB
-    feature_files = os.listdir(copy_features_path)
+    feature_files = os.listdir(the_features_path)
     # print(feature_files)
     for feature_file in feature_files:
-        feature_file = os.path.join(copy_features_path, feature_file)
+        cp_feature_file = os.path.join(copy_features_path, feature_file)
         # print(feature_file)
+        # copy file
+        shutil.copyfile(
+            os.path.join(the_features_path, feature_file),
+            cp_feature_file
+        )
         # search the line
-        ff = open(feature_file, "r")
+        ff = open(cp_feature_file, "r")
         lines = ff.readlines()
         ff.close()
         theline = ""
@@ -228,32 +252,10 @@ def run_intmp_tests(args={}):
         # replace the line
         if newifcline != "":
             # https://stackoverflow.com/a/290494
-            for line in fileinput.input(feature_file, inplace=True):
+            for line in fileinput.input(cp_feature_file, inplace=True):
                 # the print replaces the line in the file
                 print(line.replace(theline, newifcline), end="")
 
-    # copy step files and environment file
-    steps_path = os.path.join(
-        bimtester_path,
-        "features",
-        "steps"
-    )
-    # print(steps_path)
-    # print(copy_steps_path)
-    if os.path.exists(steps_path):
-        shutil.copytree(steps_path, copy_steps_path)
-
-    environment_file = os.path.join(
-        bimtester_path,
-        "features",
-        "environment.py"
-    )
-    if os.path.isfile(environment_file):
-        shutil.copyfile(
-            environment_file,
-            os.path.join(copy_features_path, "environment.py")
-        )
-
     # get advanced args
     # print to console from inside step files, add "--no-capture" flag
     # https://github.com/behave/behave/issues/346

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -5,15 +5,25 @@ bpy = sys.modules.get("bpy")
 
 if bpy is not None:
     import bpy
-    import blenderbim.bim.module.covetool as module_covetool
+    import blenderbim.bim.module.root as module_root
-    import blenderbim.bim.module.model as module_model
+    import blenderbim.bim.module.aggregate as module_aggregate
+    import blenderbim.bim.module.attribute as module_attribute
     import blenderbim.bim.module.bcf as module_bcf
+    import blenderbim.bim.module.context as module_context
+    import blenderbim.bim.module.covetool as module_covetool
+    import blenderbim.bim.module.debug as module_debug
+    import blenderbim.bim.module.geometry as module_geometry
+    import blenderbim.bim.module.model as module_model
+    import blenderbim.bim.module.owner as module_owner
+    import blenderbim.bim.module.project as module_project
+    import blenderbim.bim.module.pset as module_pset
+    import blenderbim.bim.module.spatial as module_spatial
+    import blenderbim.bim.module.style as module_style
+    import blenderbim.bim.module.type as module_type
+    import blenderbim.bim.module.unit as module_unit
     from . import ui, prop, operator
 
     classes = [
-        operator.ReassignClass,
-        operator.AssignClass,
-        operator.UnassignClass,
         operator.SelectClass,
         operator.SelectType,
         operator.OpenUri,
@@ -27,7 +37,6 @@ if bpy is not None:
         operator.ValidateIfcFile,
         operator.ExportIFC,
         operator.ImportIFC,
-        operator.ProfileImportIFC,
         operator.ColourByClass,
         operator.ColourByAttribute,
         operator.ColourByPset,
@@ -45,8 +54,6 @@ if bpy is not None:
         operator.SelectSweptSolidInnerCurves,
         operator.AssignSweptSolidExtrusion,
         operator.SelectSweptSolidExtrusion,
-        operator.AddPset,
-        operator.RemovePset,
         operator.AddQto,
         operator.RemoveQto,
         operator.AddMaterialPset,
@@ -65,18 +72,6 @@ if bpy is not None:
         operator.AssignConstraint,
         operator.UnassignConstraint,
         operator.RemoveObjectConstraint,
-        operator.AddPerson,
-        operator.RemovePerson,
-        operator.AddPersonRole,
-        operator.RemovePersonRole,
-        operator.AddPersonAddress,
-        operator.RemovePersonAddress,
-        operator.AddOrganisation,
-        operator.RemoveOrganisation,
-        operator.AddOrganisationRole,
-        operator.RemoveOrganisationRole,
-        operator.AddOrganisationAddress,
-        operator.RemoveOrganisationAddress,
         operator.AddDocumentInformation,
         operator.RemoveDocumentInformation,
         operator.AssignDocumentInformation,
@@ -86,11 +81,8 @@ if bpy is not None:
         operator.UnassignDocumentReference,
         operator.RemoveObjectDocumentReference,
         operator.GenerateGlobalId,
-        operator.AddAttribute,
-        operator.RemoveAttribute,
         operator.AddMaterialAttribute,
         operator.RemoveMaterialAttribute,
-        operator.QuickProjectSetup,
         operator.SelectGlobalId,
         operator.SelectAttribute,
         operator.SelectPset,
@@ -107,8 +99,6 @@ if bpy is not None:
         operator.FetchLibraryInformation,
         operator.FetchExternalMaterial,
         operator.FetchObjectPassport,
-        operator.AddSubcontext,
-        operator.RemoveSubcontext,
         operator.CutSection,
         operator.AddSheet,
         operator.OpenSheet,
@@ -133,8 +123,6 @@ if bpy is not None:
         operator.SmartClashGroup,
         operator.SelectSmartGroup,
         operator.LoadSmartGroupsForActiveClashSet,
-        operator.SwitchContext,
-        operator.RemoveContext,
         operator.OpenUpstream,
         operator.BIM_OT_ChangeClassificationLevel,
         operator.AddPropertySetTemplate,
@@ -151,7 +139,6 @@ if bpy is not None:
         operator.ImportIfcCsv,
         operator.EyedropIfcCsv,
         operator.ReloadIfcFile,
-        operator.SelectSimilarType,
         operator.AddIfcFile,
         operator.RemoveIfcFile,
         operator.SelectDocIfcFile,
@@ -161,7 +148,6 @@ if bpy is not None:
         operator.AddVariable,
         operator.RemoveVariable,
         operator.PropagateTextData,
-        operator.PushRepresentation,
         operator.ConvertLocalToGlobal,
         operator.ConvertGlobalToLocal,
         operator.GuessQuantity,
@@ -203,15 +189,7 @@ if bpy is not None:
         operator.RemoveDrawingStyleAttribute,
         operator.CopyPropertyToSelection,
         operator.CopyAttributeToSelection,
-        operator.CreateShapeFromStepId,
-        operator.SelectHighPolygonMeshes,
-        operator.InspectFromStepId,
-        operator.InspectFromObject,
-        operator.RewindInspector,
         operator.RefreshDrawingList,
-        operator.GetRepresentationIfcParameters,
-        operator.BakeParametricGeometry,
-        operator.UpdateIfcRepresentation,
         operator.SetBlenderClashSetA,
         operator.SetBlenderClashSetB,
         operator.ExecuteBlenderClash,
@@ -245,11 +223,8 @@ if bpy is not None:
         prop.Schedule,
         prop.DrawingStyle,
         prop.Sheet,
-        prop.Subcontext,
-        prop.Representation,
         prop.PresentationLayer,
         prop.BIMProperties,
-        prop.BIMDebugProperties,
         prop.DocProperties,
         prop.BIMLibrary,
         prop.MapConversion,
@@ -278,10 +253,6 @@ if bpy is not None:
         ui.BIM_PT_search,
         ui.BIM_PT_ifccsv,
         ui.BIM_PT_ifcclash,
-        ui.BIM_PT_owner,
-        ui.BIM_PT_people,
-        ui.BIM_PT_organisations,
-        ui.BIM_PT_context,
         ui.BIM_PT_qa,
         ui.BIM_PT_library,
         ui.BIM_PT_gis,
@@ -290,15 +261,10 @@ if bpy is not None:
         ui.BIM_PT_cobie,
         ui.BIM_PT_patch,
         ui.BIM_PT_mvd,
-        ui.BIM_PT_debug,
         ui.BIM_PT_material,
-        ui.BIM_PT_mesh,
         ui.BIM_PT_presentation_layer_data,
-        ui.BIM_PT_object,
         ui.BIM_PT_object_material,
-        ui.BIM_PT_object_psets,
         ui.BIM_PT_object_qto,
-        ui.BIM_PT_representations,
         ui.BIM_PT_classification_references,
         ui.BIM_PT_documents,
         ui.BIM_PT_constraint_relations,
@@ -322,9 +288,22 @@ if bpy is not None:
         ui.BIM_ADDON_preferences,
     ]
 
+    classes.extend(module_root.classes)
+    classes.extend(module_aggregate.classes)
+    classes.extend(module_attribute.classes)
     classes.extend(module_bcf.classes)
+    classes.extend(module_context.classes)
     classes.extend(module_covetool.classes)
+    classes.extend(module_debug.classes)
+    classes.extend(module_geometry.classes)
     classes.extend(module_model.classes)
+    classes.extend(module_owner.classes)
+    classes.extend(module_project.classes)
+    classes.extend(module_pset.classes)
+    classes.extend(module_spatial.classes)
+    classes.extend(module_style.classes)
+    classes.extend(module_type.classes)
+    classes.extend(module_unit.classes)
 
     def menu_func_export(self, context):
         self.layout.operator(operator.ExportIFC.bl_idname, text="Industry Foundation Classes (.ifc/.ifczip/.ifcjson)")
@@ -344,7 +323,6 @@ if bpy is not None:
         bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
         bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
         bpy.types.Scene.BIMProperties = bpy.props.PointerProperty(type=prop.BIMProperties)
-        bpy.types.Scene.BIMDebugProperties = bpy.props.PointerProperty(type=prop.BIMDebugProperties)
         bpy.types.Scene.DocProperties = bpy.props.PointerProperty(type=prop.DocProperties)
         bpy.types.Scene.BIMLibrary = bpy.props.PointerProperty(type=prop.BIMLibrary)
         bpy.types.Scene.MapConversion = bpy.props.PointerProperty(type=prop.MapConversion)
@@ -356,10 +334,24 @@ if bpy is not None:
         bpy.types.Camera.BIMCameraProperties = bpy.props.PointerProperty(type=prop.BIMCameraProperties)
         bpy.types.TextCurve.BIMTextProperties = bpy.props.PointerProperty(type=prop.BIMTextProperties)
         bpy.types.SCENE_PT_unit.append(ui.ifc_units)
+        module_root.register()
+        module_aggregate.register()
+        module_attribute.register()
         module_bcf.register()
+        module_context.register()
         module_covetool.register()
+        module_debug.register()
+        module_geometry.register()
         module_model.register()
+        module_owner.register()
+        module_project.register()
+        module_pset.register()
+        module_spatial.register()
+        module_style.register()
+        module_type.register()
+        module_unit.register()
         bpy.app.handlers.depsgraph_update_pre.append(operator.depsgraph_update_pre_handler)
+        bpy.app.handlers.load_post.append(prop.toggleDecorationsOnLoad)
 
     def unregister():
         for cls in reversed(classes):
@@ -368,7 +360,6 @@ if bpy is not None:
         bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
         bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
         del bpy.types.Scene.BIMProperties
-        del bpy.types.Scene.BIMDebugProperties
         del bpy.types.Scene.DocProperties
         del bpy.types.Scene.MapConversion
         del bpy.types.Scene.TargetCRS
@@ -379,7 +370,20 @@ if bpy is not None:
         del bpy.types.Camera.BIMCameraProperties
         del bpy.types.TextCurve.BIMTextProperties
         bpy.types.SCENE_PT_unit.remove(ui.ifc_units)
+        module_unit.unregister()
+        module_type.unregister()
+        module_style.unregister()
+        module_spatial.unregister()
+        module_pset.unregister()
+        module_project.unregister()
+        module_owner.unregister()
         module_model.unregister()
+        module_geometry.unregister()
+        module_debug.unregister()
         module_covetool.unregister()
+        module_context.unregister()
         module_bcf.unregister()
+        module_attribute.register()
+        module_aggregate.register()
+        module_root.unregister()
         bpy.app.handlers.depsgraph_update_pre.remove(operator.depsgraph_update_pre_handler)

src/ifcblenderexport/blenderbim/bim/decoration.py

@@ -21,7 +21,6 @@ class BaseDecorator():
 
     DEF_GLSL = """
         #define PI 3.141592653589793
-        #define COLOR vec4({color[0]}, {color[1]}, {color[2]}, {color[3]})
         #define MAX_POINTS 64
         #define CIRCLE_SEGS 24
     """
@@ -99,63 +98,28 @@ class BaseDecorator():
     """
 
     FRAG_GLSL = """
+    uniform vec4 color;
     out vec4 fragColor;
 
     void main() {
-        fragColor = COLOR;
+        fragColor = color;
     }
     """
 
-    # class var for single handler
+    def __init__(self):
-    installed = None
-
-    @classmethod
-    def install(cls, *args, **kwargs):
-        if cls.installed:
-            cls.uninstall()
-        handler = cls(*args, **kwargs)
-        cls.installed = SpaceView3D.draw_handler_add(handler, (), 'WINDOW', 'POST_PIXEL')
-
-    @classmethod
-    def uninstall(cls):
-        try:
-            SpaceView3D.draw_handler_remove(cls.installed, 'WINDOW')
-        except ValueError:
-            pass
-        cls.installed = None
-
-    def __init__(self, props, context):
-        self.context = context
-        self.props = props
-        self.shader = self.create_shader()
-        self.font_id = 0
-        self.font_size = 16
-        self.dpi = context.preferences.system.dpi
-
-    def create_shader(self):
-        defines = self.DEF_GLSL.format(color=self.props.decorations_colour)
         # NB: libcode param doesn't work
-        return GPUShader(vertexcode=self.VERT_GLSL,
+        self.shader = GPUShader(vertexcode=self.VERT_GLSL,
-                         fragcode=self.FRAG_GLSL,
+                                fragcode=self.FRAG_GLSL,
-                         geocode=self.LIB_GLSL + self.GEOM_GLSL,
+                                geocode=self.LIB_GLSL + self.GEOM_GLSL,
-                         defines=defines)
+                                defines=self.DEF_GLSL)
 
-    def __call__(self):
+    def get_objects(self, collection):
-        if self.props.active_drawing_index is None or len(self.props.drawings) == 0:
-            return
-
-        for obj in self.get_objects():
-            self.decorate(obj)
-
-    def get_objects(self):
         """find relevant objects
         using class.basename
 
         returns: iterable of blender objects
         """
-        drawing = self.props.drawings[self.props.active_drawing_index]
+        return filter(lambda o: self.basename in o.name, collection.all_objects)
-        collection = bpy.data.collections.get("IfcGroup/" + drawing.name)
-        return filter(lambda o: self.basename in o.name, collection.objects)
 
     def get_path_geom(self, obj, topo=True):
         """Parses path geometry into line segments
@@ -223,13 +187,14 @@ class BaseDecorator():
 
         return vertices, indices
 
-    def decorate(self, object):
+    def decorate(self, context, object):
         """perform actuall drawing stuff"""
         raise NotImplementedError()
 
-    def draw_lines(self, obj, vertices, indices, topology=None):
+    def draw_lines(self, context, obj, vertices, indices, topology=None):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
+        color = context.scene.DocProperties.decorations_colour
 
         fmt = GPUVertFormat()
         fmt.attr_add(id="pos", comp_type='F32', len=3, fetch_mode='FLOAT')
@@ -245,13 +210,20 @@ class BaseDecorator():
 
         batch = GPUBatch(type='LINES', buf=vbo, elem=ibo)
 
+        bgl.glEnable(bgl.GL_LINE_SMOOTH)
+        bgl.glHint(bgl.GL_LINE_SMOOTH_HINT, bgl.GL_NICEST)
+        bgl.glEnable(bgl.GL_BLEND)
+        bgl.glBlendFunc(bgl.GL_SRC_ALPHA, bgl.GL_ONE_MINUS_SRC_ALPHA)
+
         self.shader.bind()
         self.shader.uniform_float
         self.shader.uniform_float("viewMatrix", region3d.perspective_matrix)
         self.shader.uniform_float("winsize", (region.width, region.height))
+        self.shader.uniform_float("color", color)
+
         batch.draw(self.shader)
 
-    def draw_label(self, text, pos, dir, gap=4, center=True, vcenter=False):
+    def draw_label(self, context, text, pos, dir, gap=4, center=True, vcenter=False):
         """Draw text label
 
         Args:
@@ -259,15 +231,21 @@ class BaseDecorator():
 
         aligned and centered at segment middle
         """
+        font_id = 0
+        font_size = 16
+        dpi = context.preferences.system.dpi
+
+        color = context.scene.DocProperties.decorations_colour
+
         ang = -Vector((1, 0)).angle_signed(dir)
         cos = math.cos(ang)
         sin = math.sin(ang)
 
-        blf.size(self.font_id, self.font_size, self.dpi)
+        blf.size(font_id, font_size, dpi)
 
         w, h = 0, 0
         if center or vcenter:
-            w, h = blf.dimensions(self.font_id, text)
+            w, h = blf.dimensions(font_id, text)
 
         if center:
             # horizontal centering
@@ -281,18 +259,18 @@ class BaseDecorator():
             # side-shifting
             pos += Vector((-sin, cos)) * gap
 
-        blf.enable(self.font_id, blf.ROTATION)
+        blf.enable(font_id, blf.ROTATION)
-        blf.position(self.font_id, pos.x, pos.y, 0)
+        blf.position(font_id, pos.x, pos.y, 0)
 
-        blf.rotation(self.font_id, ang)
+        blf.rotation(font_id, ang)
-        blf.color(self.font_id, *self.props.decorations_colour)
+        blf.color(font_id, *color)
-        blf.draw(self.font_id, text)
+        blf.draw(font_id, text)
-        blf.disable(self.font_id, blf.ROTATION)
+        blf.disable(font_id, blf.ROTATION)
 
-    def format_value(self, value):
+    def format_value(self, context, value):
-        unit_system = bpy.context.scene.unit_settings.system
+        unit_system = context.scene.unit_settings.system
         if unit_system == 'IMPERIAL':
-            precision = bpy.context.scene.BIMProperties.imperial_precision
+            precision = context.scene.BIMProperties.imperial_precision
             if precision == "NONE":
                 precision = 256
             elif precision == "1":
@@ -313,7 +291,6 @@ class DimensionDecorator(BaseDecorator):
     - puts metric text next to each segment
     """
     basename = "IfcAnnotation/Dimension"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define ARROW_ANGLE PI / 12.0
@@ -377,14 +354,14 @@ class DimensionDecorator(BaseDecorator):
     }
     """
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         verts, idxs, _ = self.get_path_geom(obj, topo=False)
-        self.draw_lines(obj, verts, idxs)
+        self.draw_lines(context, obj, verts, idxs)
-        self.draw_labels(obj, verts, idxs)
+        self.draw_labels(context, obj, verts, idxs)
 
-    def draw_labels(self, obj, vertices, indices):
+    def draw_labels(self, context, obj, vertices, indices):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
         for i0, i1 in indices:
             v0 = Vector(vertices[i0])
             v1 = Vector(vertices[i1])
@@ -394,8 +371,8 @@ class DimensionDecorator(BaseDecorator):
             if dir.length < 1:
                 continue
             length = (v1 - v0).length
-            text = self.format_value(length)
+            text = self.format_value(context, length)
-            self.draw_label(text, p0 + (dir) * .5, dir)
+            self.draw_label(context, text, p0 + (dir) * .5, dir)
 
 
 class EqualityDecorator(DimensionDecorator):
@@ -405,11 +382,10 @@ class EqualityDecorator(DimensionDecorator):
     - puts 'EQ' label
     """
     basename = "IfcAnnotation/Equal"
-    installed = None
 
-    def draw_labels(self, obj, vertices, indices):
+    def draw_labels(self, context, obj, vertices, indices):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
         for i0, i1 in indices:
             v0 = Vector(vertices[i0])
             v1 = Vector(vertices[i1])
@@ -418,7 +394,7 @@ class EqualityDecorator(DimensionDecorator):
             dir = p1 - p0
             if dir.length < 1:
                 continue
-            self.draw_label("EQ", p0 + (dir) * .5, dir)
+            self.draw_label(context, "EQ", p0 + (dir) * .5, dir)
 
 
 class LeaderDecorator(BaseDecorator):
@@ -427,7 +403,6 @@ class LeaderDecorator(BaseDecorator):
     - middle points w/out decorations
     """
     basename = "IfcAnnotation/Leader"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define ARROW_ANGLE PI / 12.0
@@ -484,9 +459,9 @@ class LeaderDecorator(BaseDecorator):
     }
     """
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         verts, idxs, topo = self.get_path_geom(obj)
-        self.draw_lines(obj, verts, idxs, topo)
+        self.draw_lines(context, obj, verts, idxs, topo)
 
 
 class StairDecorator(BaseDecorator):
@@ -496,7 +471,6 @@ class StairDecorator(BaseDecorator):
     - middle points w/out decorations
     """
     basename = "IfcAnnotation/Stair"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define CIRCLE_SIZE 8.0
@@ -570,14 +544,13 @@ class StairDecorator(BaseDecorator):
     }
     """
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         verts, idxs, topo = self.get_path_geom(obj)
-        self.draw_lines(obj, verts, idxs, topo)
+        self.draw_lines(context, obj, verts, idxs, topo)
 
 
 class HiddenDecorator(BaseDecorator):
     basename = "IfcAnnotation/Hidden"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define DASH_SIZE 16.0
@@ -619,6 +592,7 @@ class HiddenDecorator(BaseDecorator):
     """
 
     FRAG_GLSL = """
+    uniform vec4 color;
     in vec2 gl_FragCoord;
     in float dist;
     out vec4 fragColor;
@@ -626,21 +600,20 @@ class HiddenDecorator(BaseDecorator):
     void main() {
         uint bit = uint(fract(dist / DASH_SIZE) * 32);
         if ((DASH_PATTERN & (1U<<bit)) == 0U) discard;
-        fragColor = COLOR;
+        fragColor = color;
     }
     """
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         if obj.data.is_editmode:
             verts, idxs = self.get_editmesh_geom(obj)
         else:
             verts, idxs = self.get_mesh_geom(obj)
-        self.draw_lines(obj, verts, idxs)
+        self.draw_lines(context, obj, verts, idxs)
 
 
 class MiscDecorator(HiddenDecorator):
     basename = "IfcAnnotation/Misc"
-    installed = None
 
     FRAG_GLSL = BaseDecorator.FRAG_GLSL
 
@@ -661,16 +634,15 @@ class LevelDecorator(BaseDecorator):
                 continue
             yield [obj.matrix_world @ p.co for p in spline_points]
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         verts, idxs, topo = self.get_path_geom(obj)
-        self.draw_lines(obj, verts, idxs, topo)
+        self.draw_lines(context, obj, verts, idxs, topo)
         splines = self.get_splines(obj)
-        self.draw_labels(obj, splines)
+        self.draw_labels(context, obj, splines)
 
 
 class PlanDecorator(LevelDecorator):
     basename = "IfcAnnotation/Plan Level"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define CIRCLE_SIZE 8.0
@@ -736,9 +708,9 @@ class PlanDecorator(LevelDecorator):
     }
     """
 
-    def draw_labels(self, obj, splines):
+    def draw_labels(self, context, obj, splines):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
         for verts in splines:
             v0 = verts[0]
             v1 = verts[1]
@@ -747,13 +719,12 @@ class PlanDecorator(LevelDecorator):
             dir = p1 - p0
             if dir.length < 1:
                 continue
-            text = "RL " + self.format_value(verts[-1].z)
+            text = "RL " + self.format_value(context, verts[-1].z)
-            self.draw_label(text, p0, dir, gap=8, center=False)
+            self.draw_label(context, text, p0, dir, gap=8, center=False)
 
 
 class SectionDecorator(LevelDecorator):
     basename = "IfcAnnotation/Section Level"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define CALLOUT_GAP 8.0
@@ -816,9 +787,9 @@ class SectionDecorator(LevelDecorator):
     }
     """
 
-    def draw_labels(self, obj, splines):
+    def draw_labels(self, context, obj, splines):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
         for verts in splines:
             v0 = verts[0]
             v1 = verts[1]
@@ -827,8 +798,8 @@ class SectionDecorator(LevelDecorator):
             dir = p1 - p0
             if dir.length < 1:
                 continue
-            text = "RL " + self.format_value(verts[-1].z)
+            text = "RL " + self.format_value(context, verts[-1].z)
-            self.draw_label(text, p0 + dir.normalized() * 16, -dir, gap=16, center=False)
+            self.draw_label(context, text, p0 + dir.normalized() * 16, -dir, gap=16, center=False)
 
 
 class BreakDecorator(BaseDecorator):
@@ -838,7 +809,6 @@ class BreakDecorator(BaseDecorator):
     Uses first two vertices in verts list.
     """
     basename = "IfcAnnotation/Break"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define BREAK_LENGTH 32.0
@@ -893,12 +863,12 @@ class BreakDecorator(BaseDecorator):
     }
     """
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         if obj.data.is_editmode:
             verts = self.get_editmesh_geom(obj)
         else:
             verts = self.get_mesh_geom(obj)
-        self.draw_lines(obj, verts, [(0, 1)])
+        self.draw_lines(context, obj, verts, [(0, 1)])
 
     def get_mesh_geom(self, obj):
         # first vertices only
@@ -914,7 +884,6 @@ class BreakDecorator(BaseDecorator):
 
 class GridDecorator(BaseDecorator):
     basename = "IfcGridAxis/"
-    installed = None
 
     DEF_GLSL = BaseDecorator.DEF_GLSL + """
         #define CIRCLE_SIZE 16.0
@@ -983,6 +952,7 @@ class GridDecorator(BaseDecorator):
     """
 
     FRAG_GLSL = """
+    uniform vec4 color;
     in vec2 gl_FragCoord;
     in float dist;
     out vec4 fragColor;
@@ -990,7 +960,7 @@ class GridDecorator(BaseDecorator):
     void main() {
         uint bit = uint(fract(dist / DASH_SIZE) * 32);
         if ((DASH_PATTERN & (1U<<bit)) == 0U) discard;
-        fragColor = COLOR;
+        fragColor = color;
     }
     """
 
@@ -1005,36 +975,68 @@ class GridDecorator(BaseDecorator):
         vertices = [obj.matrix_world @ v.co for v in mesh.edges[0].verts]
         return vertices
 
-    def decorate(self, obj):
+    def decorate(self, context, obj):
         if obj.data.is_editmode:
             verts = self.get_editmesh_geom(obj)
         else:
             verts = self.get_mesh_geom(obj)
-        self.draw_lines(obj, verts, [(0, 1)])
+        self.draw_lines(context, obj, verts, [(0, 1)])
-        self.draw_labels(obj, verts)
+        self.draw_labels(context, obj, verts)
 
-    def draw_labels(self, obj, vertices):
+    def draw_labels(self, context, obj, vertices):
-        region = self.context.region
+        region = context.region
-        region3d = self.context.region_data
+        region3d = context.region_data
         v0 = Vector(vertices[0])
         v1 = Vector(vertices[1])
         p0 = location_3d_to_region_2d(region, region3d, v0)
         p1 = location_3d_to_region_2d(region, region3d, v1)
         dir = Vector((1, 0))
         text = obj.BIMObjectProperties.attributes['AxisTag'].string_value
-        self.draw_label(text, p0, dir, vcenter=True, gap=0)
+        self.draw_label(context, text, p0, dir, vcenter=True, gap=0)
-        self.draw_label(text, p1, dir, vcenter=True, gap=0)
+        self.draw_label(context, text, p1, dir, vcenter=True, gap=0)
 
 
-all_decorators = [
+class DecorationsHandler():
-    DimensionDecorator,
+    decorators_classes = [
-    EqualityDecorator,
+        DimensionDecorator,
-    GridDecorator,
+        EqualityDecorator,
-    HiddenDecorator,
+        GridDecorator,
-    LeaderDecorator,
+        HiddenDecorator,
-    MiscDecorator,
+        LeaderDecorator,
-    PlanDecorator,
+        MiscDecorator,
-    SectionDecorator,
+        PlanDecorator,
-    StairDecorator,
+        SectionDecorator,
-    BreakDecorator
+        StairDecorator,
-]
+        BreakDecorator
+    ]
+
+    installed = None
+
+    @classmethod
+    def install(cls, context):
+        if cls.installed:
+            cls.uninstall()
+        handler = cls()
+        cls.installed = SpaceView3D.draw_handler_add(handler, (context,), 'WINDOW', 'POST_PIXEL')
+
+    @classmethod
+    def uninstall(cls):
+        try:
+            SpaceView3D.draw_handler_remove(cls.installed, 'WINDOW')
+        except ValueError:
+            pass
+        cls.installed = None
+
+    def __init__(self):
+        self.decorators = [cls() for cls in self.decorators_classes]
+
+    def __call__(self, context):
+        props = context.scene.DocProperties
+        if props.active_drawing_index is None or len(props.drawings) == 0:
+            return
+        drawing = props.drawings[props.active_drawing_index]
+        collection = bpy.data.collections.get("IfcGroup/" + drawing.name)
+
+        for decorator in self.decorators:
+            for obj in decorator.get_objects(collection):
+                decorator.decorate(context, obj)

src/ifcblenderexport/blenderbim/bim/export_ifc.py

@@ -8,7 +8,6 @@ import os
 import zipfile
 import tempfile
 import ifcopenshell
-import ifcopenshell.util.pset
 import ifcopenshell.util.schema
 from pathlib import Path
 from mathutils import Vector, Matrix
@@ -60,7 +59,6 @@ class IfcParser:
         self.rel_contained_in_spatial_structure = {}
         self.rel_nests = {}
         self.rel_space_boundaries = {}
-        self.rel_defines_by_type = {}
         self.rel_defines_by_qto = {}
         self.rel_defines_by_pset = {}
         self.rel_associates_document_object = {}
@@ -372,9 +370,6 @@ class IfcParser:
         product.update(metadata_override)
 
         type_product = obj.BIMObjectProperties.relating_type
-        if type_product and self.is_a_type(self.get_ifc_class(type_product.name)):
-            reference = self.get_type_product_reference(type_product.name)
-            self.rel_defines_by_type.setdefault(reference, []).append(self.product_index)
 
         if product["has_boundary_condition"]:
             product["boundary_condition_class"] = obj.BIMObjectProperties.boundary_condition.name
@@ -472,39 +467,28 @@ class IfcParser:
                 continue
             results[item_key] = {"ifc": None, "raw": raw, "material": material, "attributes": {"Name": item.name}}
 
-    def add_automatic_qtos(self, ifc_class, obj):
+    def add_automatic_qtos(self, ifc_class: str, obj):
         if not obj.data:
             return
-        qto_names = self.get_applicable_qtos(ifc_class)
+        applicable_qtos = schema.ifc.psetqto.get_applicable(ifc_class, qto_only=True)
-        for name in qto_names:
+        for applicable_qto in applicable_qtos:
-            if name not in ifcopenshell.util.pset.qtos:
-                continue
             has_automatic_value = False
-            props = ifcopenshell.util.pset.qtos[name]["HasPropertyTemplates"].keys()
             guessed_values = {}
-            for prop_name in props:
+            prop_names = [p.Name for p in applicable_qto.HasPropertyTemplates]
-                value = self.qto_calculator.guess_quantity(prop_name, props, obj)
+            for prop_name in prop_names:
+                value = self.qto_calculator.guess_quantity(prop_name, prop_names, obj)
                 if value:
                     guessed_values[prop_name] = value
                     has_automatic_value = True
             if has_automatic_value:
                 qto = obj.BIMObjectProperties.qtos.add()
-                qto.name = name
+                qto.name = applicable_qto.Name
-                for prop_name in props:
+                for prop_name in prop_names:
                     prop = qto.properties.add()
                     prop.name = prop_name
                     if prop_name in guessed_values:
                         prop.string_value = str(guessed_values[prop_name])
 
-    def get_applicable_qtos(self, ifc_class):
-        results = []
-        empty = ifcopenshell.file(schema=self.ifc_export_settings.schema)
-        element = empty.create_entity(ifc_class)
-        for ifc_class, qto_names in schema.ifc.applicable_qtos.items():
-            if element.is_a(ifc_class):
-                results.extend(qto_names)
-        return results
-
     def get_product_relating_structure(self, product, obj):
         relating_structure = obj.BIMObjectProperties.relating_structure
         if relating_structure:
@@ -1057,29 +1041,32 @@ class IfcParser:
         for context in self.ifc_export_settings.context_tree:
             for subcontext in context["subcontexts"]:
                 for target_view in subcontext["target_views"]:
-                    rep_context = self.get_obj_representation_context(obj, context["name"], subcontext["name"], target_view)
+                    representation = self.get_shape_representation(obj, context["name"], subcontext["name"], target_view)
-                    if rep_context:
+                    if representation:
-                        self.append_representation_in_context(obj, rep_context, name)
+                        self.append_representation_in_context(obj, representation, name)
 
-    def get_obj_representation_context(self, obj, context, subcontext, target_view):
+    def get_shape_representation(self, obj, context, subcontext, target_view):
-        for c in obj.BIMObjectProperties.representation_contexts:
+        for representation in obj.BIMObjectProperties.representations:
-            if c.context == context and c.name == subcontext and c.target_view == target_view:
+            c = self.stored_file.by_id(representation.ifc_definition_id)
-                return c
+            if c.ContextType == context and c.ContextIdentifier == subcontext and c.TargetView == target_view:
-        if obj.BIMObjectProperties.representation_contexts:
+                return representation
+        if obj.BIMObjectProperties.representations:
             return
-        if context == "Model" and subcontext == "Body" and target_view == "MODEL_VIEW":
+        # TODO: reimplement - see bug #1222
-            representation_context = obj.BIMObjectProperties.representation_contexts.add()
+        #if context == "Model" and subcontext == "Body" and target_view == "MODEL_VIEW":
-            representation_context.context = "Model"
+        #    representation_context = obj.BIMObjectProperties.representation_contexts.add()
-            representation_context.name = "Body"
+        #    representation_context.context = "Model"
-            representation_context.target_view = "MODEL_VIEW"
+        #    representation_context.name = "Body"
-            return representation_context
+        #    representation_context.target_view = "MODEL_VIEW"
+        #    return representation_context
 
-    def append_representation_in_context(self, obj, rep_context, name):
+    def append_representation_in_context(self, obj, shape_representation, name):
-        context = rep_context.context
+        context_of_items = self.stored_file.by_id(shape_representation.ifc_definition_id).ContextOfItems
-        subcontext = rep_context.name
+        context = context_of_items.ContextType
-        target_view = rep_context.target_view
+        subcontext = context_of_items.ContextIdentifier
+        target_view = context_of_items.TargetView
 
-        if self.ifc_export_settings.should_roundtrip_native and rep_context.ifc_definition_id:
+        if self.ifc_export_settings.should_roundtrip_native and shape_representation.ifc_definition_id:
             self.representations[
                 "{}/{}/{}/{}".format(context, subcontext, target_view, name)
             ] = self.get_representation(obj.data, obj, context, subcontext, target_view)
@@ -1088,7 +1075,6 @@ class IfcParser:
         context_prefix = "/".join([context, subcontext, target_view])
         mesh_name = "/".join([context_prefix, name])
         mesh = self.search_for_mesh_or_curve_data(mesh_name)
-        # TODO: if the search result is empty, we should check for ifc_definition_id
         if mesh:
             self.representations[mesh_name] = self.get_representation(mesh, obj, context, subcontext, target_view)
             if "Model/Box/MODEL_VIEW" in self.generated_subcontexts and context_prefix == "Model/Body/MODEL_VIEW":
@@ -1113,7 +1099,7 @@ class IfcParser:
         return data
 
     def get_representation(self, mesh, obj, context, subcontext, target_view):
-        rep_context = self.get_obj_representation_context(obj, context, subcontext, target_view)
+        representation = self.get_shape_representation(obj, context, subcontext, target_view)
         return {
             "ifc": None,
             "raw": mesh,
@@ -1121,9 +1107,9 @@ class IfcParser:
             "context": context,
             "subcontext": subcontext,
             "target_view": target_view,
-            "has_ifc_definition": rep_context and rep_context.ifc_definition_id,
+            "has_ifc_definition": representation and representation.ifc_definition_id,
             "ifc_definition": mesh.BIMMeshProperties.ifc_definition if hasattr(mesh, "BIMMeshProperties") else None,
-            "ifc_definition_id": rep_context.ifc_definition_id if rep_context else 0
+            "ifc_definition_id": representation.ifc_definition_id if representation else 0
             if hasattr(mesh, "BIMMeshProperties")
             else None,
             "is_parametric": mesh.BIMMeshProperties.is_parametric if hasattr(mesh, "BIMMeshProperties") else False,
@@ -1345,8 +1331,9 @@ class IfcExporter:
         self.roundtrip_id_new_to_old = {}
 
     def export(self, selected_objects):
-        self.file = ifc.IfcStore.get_file()
+        self.stored_file = ifc.IfcStore.get_file() # See bug #1222
-        if self.file and self.ifc_export_settings.should_export_from_memory:
+        if self.stored_file and self.ifc_export_settings.should_export_from_memory:
+            self.file = self.stored_file
             return self.write_ifc_file()
         self.schema_version = self.ifc_export_settings.schema
         self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(self.schema_version)
@@ -1383,7 +1370,6 @@ class IfcExporter:
         self.relate_objects_to_objects()
         self.relate_elements_to_spatial_structures()
         self.relate_nested_elements_to_hosted_elements()
-        self.relate_objects_to_types()
         self.relate_objects_to_qtos()
         self.relate_objects_to_psets()
         self.relate_objects_to_opening_elements()
@@ -1423,15 +1409,16 @@ class IfcExporter:
         self.file.wrapped_data.header.file_name.originating_system = "{} {}".format(
             self.get_application_name(), self.get_application_version()
         )
-        if self.owner_history:
+        # TODO: reimplement. See #1222.
-            if self.schema_version == "IFC2X3":
+        #if self.owner_history:
-                self.file.wrapped_data.header.file_name.authorization = self.owner_history.OwningUser.ThePerson.Id
+        #    if self.schema_version == "IFC2X3":
-            else:
+        #        self.file.wrapped_data.header.file_name.authorization = self.owner_history.OwningUser.ThePerson.Id
-                self.file.wrapped_data.header.file_name.authorization = (
+        #    else:
-                    self.owner_history.OwningUser.ThePerson.Identification
+        #        self.file.wrapped_data.header.file_name.authorization = (
-                )
+        #            self.owner_history.OwningUser.ThePerson.Identification
-        else:
+        #        )
-            self.file.wrapped_data.header.file_name.authorization = "Nobody"
+        #else:
+        #    self.file.wrapped_data.header.file_name.authorization = "Nobody"
 
     def get_application_name(self):
         return "BlenderBIM"
@@ -1699,13 +1686,15 @@ class IfcExporter:
             pset["ifc"] = self.file.create_entity("IfcMaterialProperties", **pset["attributes"])
 
     def create_qto_properties(self, qto):
-        if qto["attributes"]["Name"] in ifcopenshell.util.pset.qtos:
+        qto_template = schema.ifc.psetqto.get_by_name(qto["attributes"]["Name"])
-            return self.create_templated_qto_properties(qto)
+        if qto_template:
+            return self.create_templated_qto_properties(qto, qto_template)
         return self.create_custom_qto_properties(qto)
 
     def create_pset_properties(self, pset):
-        if pset["attributes"]["Name"] in ifcopenshell.util.pset.psets:
+        pset_template = schema.ifc.psetqto.get_by_name(pset["attributes"]["Name"])
-            return self.create_templated_pset_properties(pset)
+        if pset_template:
+            return self.create_templated_pset_properties(pset, pset_template)
         return self.create_custom_pset_properties(pset)
 
     def create_custom_pset_properties(self, pset):
@@ -1735,15 +1724,15 @@ class IfcExporter:
             )
         return properties
 
-    def create_templated_pset_properties(self, pset):
+    def create_templated_pset_properties(self, pset, pset_template):
         properties = []
-        templates = ifcopenshell.util.pset.psets[pset["attributes"]["Name"]]["HasPropertyTemplates"]
+        for prop in pset_template.HasPropertyTemplates:
-        for name, data in templates.items():
+            name = prop.Name
             if name not in pset["raw"]:
                 continue
-            if data.TemplateType == "P_SINGLEVALUE" or data.TemplateType == "P_ENUMERATEDVALUE":
+            if prop.TemplateType == "P_SINGLEVALUE" or prop.TemplateType == "P_ENUMERATEDVALUE":
-                if data.PrimaryMeasureType:
+                if prop.PrimaryMeasureType:
-                    value_type = data.PrimaryMeasureType
+                    value_type = prop.PrimaryMeasureType
                 else:
                     # The IFC spec is missing some, so we provide a fallback
                     value_type = "IfcLabel"
@@ -1753,7 +1742,8 @@ class IfcExporter:
                 properties.append(
                     self.file.create_entity("IfcPropertySingleValue", **{"Name": name, "NominalValue": nominal_value})
                 )
-        invalid_pset_keys = [k for k in pset["raw"].keys() if k not in templates.keys()]
+        templates_names = [prop.Name for prop in qto_template.HasPropertyTemplates]
+        invalid_pset_keys = [k for k in pset["raw"].keys() if k not in templates_names]
         if invalid_pset_keys:
             self.ifc_export_settings.logger.error(
                 "One or more properties were invalid in the pset {}: {}".format(
@@ -1762,20 +1752,21 @@ class IfcExporter:
             )
         return properties
 
-    def create_templated_qto_properties(self, qto):
+    def create_templated_qto_properties(self, qto, qto_template):
         properties = []
-        templates = ifcopenshell.util.pset.qtos[qto["attributes"]["Name"]]["HasPropertyTemplates"]
+        for prop in qto_template.HasPropertyTemplates:
-        for name, data in templates.items():
+            name = prop.Name
             if name not in qto["raw"]:
                 continue
-            if data.TemplateType[0:2] == "Q_":
+            if prop.TemplateType[0:2] == "Q_":
-                value_basename = data.TemplateType[2:].title()
+                value_basename = prop.TemplateType[2:].title()
                 value_name = f"{value_basename}Value"
                 class_name = f"IfcQuantity{value_basename}"
                 properties.append(
                     self.file.create_entity(class_name, **{"Name": name, value_name: float(qto["raw"][name])})
                 )
-        invalid_qto_keys = [k for k in qto["raw"].keys() if k not in templates.keys()]
+        templates_names = [prop.Name for prop in qto_template.HasPropertyTemplates]
+        invalid_qto_keys = [k for k in qto["raw"].keys() if k not in templates_names]
         if invalid_qto_keys:
             self.ifc_export_settings.logger.error(
                 "One or more properties were invalid in the qto {}/{}: {}".format(
@@ -2039,8 +2030,8 @@ class IfcExporter:
             # At the moment, we assume that styled items only apply to the body context.
             if representation.RepresentationIdentifier != "Body":
                 continue
-            rep_context = self.ifc_parser.get_obj_representation_context(product["raw"], "Model", "Body", "MODEL_VIEW")
+            rep = self.ifc_parser.get_shape_representation(product["raw"], "Model", "Body", "MODEL_VIEW")
-            if self.ifc_export_settings.should_roundtrip_native and rep_context and rep_context.ifc_definition_id:
+            if self.ifc_export_settings.should_roundtrip_native and rep and rep.ifc_definition_id:
                 # For native roundtripping, each slot could be a one to many relationship to items
                 for item in self.get_geometric_representation_items(representation):
                     original_id = self.roundtrip_id_new_to_old[item.id()]
@@ -3181,17 +3172,6 @@ class IfcExporter:
                 [o["ifc"] for o in related_objects],
             )
 
-    def relate_objects_to_types(self):
-        for relating_type, related_objects in self.ifc_parser.rel_defines_by_type.items():
-            self.file.createIfcRelDefinesByType(
-                ifcopenshell.guid.new(),
-                self.owner_history,
-                None,
-                None,
-                [self.ifc_parser.products[o]["ifc"] for o in related_objects],
-                self.ifc_parser.type_products[relating_type]["ifc"],
-            )
-
     def relate_objects_to_qtos(self):
         for relating_property_key, related_objects in self.ifc_parser.rel_defines_by_qto.items():
             self.file.createIfcRelDefinesByProperties(
@@ -3468,6 +3448,7 @@ class IfcExporter:
         return co * self.ifc_parser.unit_scale
 
     def write_ifc_file(self):
+        self.set_header()
         extension = self.ifc_export_settings.output_file.split(".")[-1]
         if extension == "ifczip":
             with tempfile.TemporaryDirectory() as unzipped_path:
@@ -3551,15 +3532,4 @@ class IfcExportSettings:
         settings.should_roundtrip_native = scene_bim.import_export_should_roundtrip_native
         settings.should_export_from_memory = scene_bim.export_should_export_from_memory
         settings.context_tree = []
-        for ifc_context in ["model", "plan"]:
-            if getattr(scene_bim, "has_{}_context".format(ifc_context)):
-                subcontexts = {}
-                for subcontext in getattr(scene_bim, "{}_subcontexts".format(ifc_context)):
-                    subcontexts.setdefault(subcontext.name, []).append(subcontext.target_view)
-                settings.context_tree.append(
-                    {
-                        "name": ifc_context.title(),
-                        "subcontexts": [{"name": key, "target_views": value} for key, value in subcontexts.items()],
-                    }
-                )
         return settings

src/ifcblenderexport/blenderbim/bim/helper.py

@@ -1,4 +1,6 @@
 import math
+from mathutils import geometry
+from mathutils import Vector
 import bpy
 
 
@@ -285,3 +287,84 @@ def format_distance(value, isArea=False, hide_units=True):
         tx_dist = fmt % value
 
     return tx_dist
+
+
+def parse_diagram_scale(camera):
+    """Returns numeric value of scale"""
+    if camera.BIMCameraProperties.diagram_scale == "CUSTOM":
+        _, fraction = camera.BIMCameraProperties.custom_diagram_scale.split("|")
+    else:
+        _, fraction = camera.BIMCameraProperties.diagram_scale.split("|")
+    numerator, denominator = fraction.split("/")
+    return float(numerator) / float(denominator)
+
+
+def ortho_view_frame(camera, margin=0.015):
+    """Calculates 2d bounding box of camera view area.
+
+    Similar to `bpy.types.Camera.view_frame`
+
+    :arg camera: camera of drawing
+    :type camera: bpy.types.Camera + BIMCameraProperties
+    :arg margin: margins, in scene units
+    :type margin: float
+    :return: (xmin, xmax, ymin, ymax) in local camera coordinates
+    """
+    aspect = camera.BIMCameraProperties.raster_y / camera.BIMCameraProperties.raster_x
+    size = camera.ortho_scale
+    hwidth = size * .5
+    hheight = size * .5 * aspect
+    scale = parse_diagram_scale(camera)
+    xmarg = margin * scale
+    ymarg = margin * scale * aspect
+    return (-hwidth + xmarg, hwidth - xmarg, -hheight + ymarg, hheight - ymarg)
+
+
+def clip_segment(bounds, segm):
+    """Clipping line segment to bounds
+
+    :arg bounds: (xmin, xmax, ymin, ymax)
+    :arg segm: 2 vertices of the segment
+    :return: 2 new vertices of segment or None if segment outside the bounding box
+    """
+    # Liang–Barsky algorithm
+
+    xmin, xmax, ymin, ymax = bounds
+    p1, p2 = segm
+
+    def clip_side(p, q):
+        if abs(p) < 1e-10:  # ~= 0, parallel to the side
+            if q < 0:
+                return None  # outside
+            else:
+                return 0, 1  # inside
+
+        t = q / p  # the intersection point
+
+        if p < 0:  # entering
+            return t, 1
+        else:  # leaving
+            return 0, t
+
+    dlt = p2 - p1
+
+    tt = (
+        clip_side(-dlt.x, p1.x - xmin),  # left
+        clip_side(+dlt.x, xmax - p1.x),  # right
+        clip_side(-dlt.y, p1.y - ymin),  # bottom
+        clip_side(+dlt.y, ymax - p1.y),  # top
+    )
+
+    if None in tt:
+        return None
+
+    t1 = max(0, max(t[0] for t in tt))
+    t2 = min(1, min(t[1] for t in tt))
+
+    if t1 >= t2:
+        return None
+
+    p1c = p1 + dlt * t1
+    p2c = p1 + dlt * t2
+
+    return p1c, p2c

src/ifcblenderexport/blenderbim/bim/ifc.py

@@ -5,6 +5,7 @@ import ifcopenshell
 class IfcStore:
     path = ""
     file = None
+    schema = None
     pset_template_path = ""
     pset_template_file = None
 
@@ -15,3 +16,11 @@ class IfcStore:
             if IfcStore.path:
                 IfcStore.file = ifcopenshell.open(IfcStore.path)
         return IfcStore.file
+
+    @staticmethod
+    def get_schema():
+        if IfcStore.file is None:
+            return
+        elif IfcStore.schema is None:
+            IfcStore.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(IfcStore.file.schema)
+        return IfcStore.schema

src/ifcblenderexport/blenderbim/bim/import_ifc.py

@@ -3,7 +3,7 @@ import ifcopenshell.geom
 import ifcopenshell.util.geolocation
 import ifcopenshell.util.selector
 import ifcopenshell.util.element
-import ifcopenshell.util.pset
+import ifcopenshell.util.unit
 import bpy
 import bmesh
 import os
@@ -20,8 +20,8 @@ import tempfile
 from pathlib import Path
 from itertools import cycle
 from datetime import datetime
-from . import helper
 from . import ifc
+from . import schema
 
 
 class FileCopy(threading.Thread):
@@ -256,6 +256,7 @@ class MaterialCreator:
 
     def create_new_single(self, material):
         self.materials[material.Name] = obj = bpy.data.materials.new(material.Name)
+        obj.BIMMaterialProperties.ifc_definition_id = int(material.id())
         self.ifc_importer.add_element_attributes(material, obj.BIMMaterialProperties)
         for pset in getattr(material, "HasProperties", ()):
             self.ifc_importer.add_pset(pset, obj.BIMMaterialProperties)
@@ -286,6 +287,7 @@ class MaterialCreator:
         for style in styles:
             if not style.is_a("IfcSurfaceStyle"):
                 continue
+            material.BIMMaterialProperties.ifc_style_id = int(style.id())
             external_style = None
             for surface_style in style.Styles:
                 if surface_style.is_a("IfcSurfaceStyleShading"):
@@ -373,7 +375,6 @@ class IfcImporter:
         self.native_data = {}
         self.groups = {}
         self.aggregates = {}
-        self.aggregate_collection = None
         self.aggregate_collections = {}
 
         self.material_creator = MaterialCreator(ifc_import_settings, self)
@@ -409,8 +410,6 @@ class IfcImporter:
         self.profile_code("Patching ifc")
         self.set_units()
         self.profile_code("Set units")
-        self.create_geometric_representation_contexts()
-        self.profile_code("Create contexts")
         self.create_project()
         self.profile_code("Create project")
         self.create_classifications()
@@ -773,6 +772,7 @@ class IfcImporter:
             obj = self.existing_elements[element.GlobalId]
         else:
             obj = bpy.data.objects.new(f"{element.is_a()}/{element.Name}", None)
+            obj.BIMObjectProperties.ifc_definition_id = element.id()
             self.add_element_attributes(element, obj.BIMObjectProperties)
             group_collection.objects.link(obj)
         self.groups[element.GlobalId] = {"ifc": element, "blender": obj}
@@ -809,6 +809,7 @@ class IfcImporter:
             shape = ifcopenshell.geom.create_shape(self.settings_2d, axis.AxisCurve)
             mesh = self.create_mesh(axis, shape)
             obj = bpy.data.objects.new(f"IfcGridAxis/{axis.AxisTag}", mesh)
+            obj.BIMObjectProperties.ifc_definition_id = element.id()
             obj.matrix_world = matrix_world
             self.add_element_attributes(axis, obj.BIMObjectProperties)
             grid.objects.link(obj)
@@ -843,12 +844,10 @@ class IfcImporter:
             except:
                 self.ifc_import_settings.logger.error("Failed to generate shape for %s", element)
         obj = bpy.data.objects.new(self.get_name(element), mesh)
+        obj.BIMObjectProperties.ifc_definition_id = element.id()
         self.material_creator.create(element, obj, mesh)
-        self.add_element_attributes(element, obj.BIMObjectProperties)
         self.add_element_classifications(element, obj)
         self.add_element_document_relations(element, obj)
-        self.add_type_product_psets(element, obj)
-        self.add_product_representations(element, obj)
         self.type_collection.objects.link(obj)
         self.type_products[element.GlobalId] = obj
 
@@ -950,11 +949,16 @@ class IfcImporter:
                     mesh = self.create_native_mesh(element, shape)
                 if mesh is None:
                     mesh = self.create_mesh(element, shape)
+                    if "-" in shape.geometry.id:
+                        mesh.BIMMeshProperties.ifc_definition_id = int(shape.geometry.id.split("-")[0])
+                    else:
+                        mesh.BIMMeshProperties.ifc_definition_id = int(shape.geometry.id)
                 self.meshes[mesh_name] = mesh
         else:
             mesh = None
 
         obj = bpy.data.objects.new(self.get_name(element), mesh)
+        obj.BIMObjectProperties.ifc_definition_id = element.id()
 
         if shape:
             m = shape.transformation.matrix.data
@@ -968,13 +972,10 @@ class IfcImporter:
             obj.matrix_world = self.get_element_matrix(element)
 
         self.add_element_representation_items(element, obj)
-        self.add_element_attributes(element, obj.BIMObjectProperties)
         self.add_element_classifications(element, obj)
         self.add_element_document_relations(element, obj)
-        self.add_defines_by_type_relation(element, obj)
         self.add_opening_relation(element, obj)
         self.add_product_definitions(element, obj)
-        self.add_product_representations(element, obj)
         self.added_data[element.GlobalId] = obj
 
         if element.is_a("IfcOpeningElement"):
@@ -1309,7 +1310,6 @@ class IfcImporter:
             # Occurs when reloading a project
             pass
         project_collection = bpy.context.view_layer.layer_collection.children[self.project["blender"].name]
-        project_collection.children[self.aggregate_collection.name].hide_viewport = True
         project_collection.children[self.opening_collection.name].hide_viewport = True
         project_collection.children[self.type_collection.name].hide_viewport = True
 
@@ -1355,47 +1355,21 @@ class IfcImporter:
         bpy.ops.mesh.normals_make_consistent(context_override)
         bpy.ops.object.editmode_toggle(context_override)
 
-    def add_product_representations(self, element, obj):
-        if element.is_a("IfcProduct"):
-            if not element.Representation:
-                return
-            for r in element.Representation.Representations:
-                new = obj.BIMObjectProperties.representations.add()
-                new.name = r.RepresentationIdentifier
-                new.type = r.RepresentationType
-                new.ifc_definition_id = r.id()
-        elif element.is_a("IfcTypeProduct"):
-            if not element.RepresentationMaps:
-                return
-            for r in element.RepresentationMaps:
-                new = obj.BIMObjectProperties.representations.add()
-                new.name = r.MappedRepresentation.RepresentationIdentifier
-                new.type = r.MappedRepresentation.RepresentationType
-                new.ifc_definition_id = r.MappedRepresentation.id()
-
     def add_product_definitions(self, element, obj):
         if not hasattr(element, "IsDefinedBy") or not element.IsDefinedBy:
             return
         for definition in element.IsDefinedBy:
             if not definition.is_a("IfcRelDefinesByProperties"):
                 continue
-            if definition.RelatingPropertyDefinition.is_a("IfcPropertySet"):
+            if definition.RelatingPropertyDefinition.is_a("IfcElementQuantity"):
-                self.add_pset(definition.RelatingPropertyDefinition, obj.BIMObjectProperties)
-            elif definition.RelatingPropertyDefinition.is_a("IfcElementQuantity"):
                 self.add_qto(definition.RelatingPropertyDefinition, obj)
 
-    def add_type_product_psets(self, element, obj):
-        if not hasattr(element, "HasPropertySets") or not element.HasPropertySets:
-            return
-        for definition in element.HasPropertySets:
-            if definition.is_a("IfcPropertySet"):
-                self.add_pset(definition, obj.BIMObjectProperties)
-
     def add_pset(self, pset, props):
         new_pset = props.psets.add()
         new_pset.name = pset.Name
-        if new_pset.name in ifcopenshell.util.pset.psets:
+        pset_template = schema.ifc.psetqto.get_by_name(new_pset.name)
-            for prop_name in ifcopenshell.util.pset.psets[new_pset.name]["HasPropertyTemplates"].keys():
+        if pset_template:
+            for prop_name in (p.Name for p in pset_template.HasPropertyTemplates):
                 prop = new_pset.properties.add()
                 prop.name = prop_name
         try:
@@ -1421,8 +1395,9 @@ class IfcImporter:
     def add_qto(self, qto, obj):
         new_qto = obj.BIMObjectProperties.qtos.add()
         new_qto.name = str(qto.Name)
-        if new_qto.name in ifcopenshell.util.pset.qtos:
+        qto_template = schema.ifc.psetqto.get_by_name(new_qto.name)
-            for prop_name in ifcopenshell.util.pset.qtos[new_qto.name]["HasPropertyTemplates"].keys():
+        if qto_template:
+            for prop_name in (p.Name for p in qto_template.HasPropertyTemplates):
                 prop = new_qto.properties.add()
                 prop.name = prop_name
         for prop in qto.Quantities:
@@ -1438,11 +1413,6 @@ class IfcImporter:
                     new_prop.name = prop.Name
                     new_prop.string_value = str(value)
 
-    def add_defines_by_type_relation(self, element, obj):
-        related_type = ifcopenshell.util.element.get_type(element)
-        if related_type:
-            obj.BIMObjectProperties.relating_type = self.type_products[related_type.GlobalId]
-
     def add_opening_relation(self, element, obj):
         if not element.is_a("IfcOpeningElement"):
             return
@@ -1499,7 +1469,7 @@ class IfcImporter:
                 self.unit_scale *= unit.ConversionFactor.ValueComponent.wrappedValue
                 unit = unit.ConversionFactor.UnitComponent
             if unit.is_a("IfcSIUnit"):
-                self.unit_scale *= helper.SIUnitHelper.get_prefix_multiplier(unit.Prefix)
+                self.unit_scale *= ifcopenshell.util.unit.get_prefix_multiplier(unit.Prefix)
 
     def set_units(self):
         units = self.file.by_type("IfcUnitAssignment")[0]
@@ -1530,28 +1500,6 @@ class IfcImporter:
                     unit.Prefix + "/" if hasattr(unit, "Prefix") and unit.Prefix else "", name
                 )
 
-    def create_geometric_representation_contexts(self):
-        bpy.context.scene.BIMProperties.has_model_context = False
-        for context in self.file.by_type("IfcGeometricRepresentationContext"):
-            if context.is_a("IfcGeometricRepresentationSubContext"):
-                if not context.ContextIdentifier:
-                    # Revit creates invalid contexts, so we just ignore them
-                    continue
-                if context.ContextType == "Model":
-                    subcontexts = bpy.context.scene.BIMProperties.model_subcontexts
-                elif context.ContextType == "Plan":
-                    subcontexts = bpy.context.scene.BIMProperties.plan_subcontexts
-                if subcontexts.get(context.ContextIdentifier):
-                    continue
-                subcontext = subcontexts.add()
-                subcontext.name = context.ContextIdentifier
-                subcontext.target_view = context.TargetView
-                subcontext.ifc_definition_id = context.id()
-            elif context.ContextType == "Model":
-                bpy.context.scene.BIMProperties.has_model_context = True
-            elif context.ContextType == "Plan":
-                bpy.context.scene.BIMProperties.has_plan_context = True
-
     def create_project(self):
         self.project = {"ifc": self.file.by_type("IfcProject")[0]}
         if self.project["ifc"].GlobalId in self.existing_elements:
@@ -1743,30 +1691,23 @@ class IfcImporter:
                 ]
         else:
             rel_aggregates = [a for a in self.file.by_type("IfcRelAggregates") if a.RelatingObject.is_a("IfcElement")]
-        for collection in self.project["blender"].children:
-            if collection.name == "Aggregates":
-                self.aggregate_collection = collection
-                break
-        if not self.aggregate_collection:
-            self.aggregate_collection = bpy.data.collections.new("Aggregates")
-            self.project["blender"].children.link(self.aggregate_collection)
-
         for rel_aggregate in rel_aggregates:
             self.create_aggregate(rel_aggregate)
 
     def create_aggregate(self, rel_aggregate):
-        collection = bpy.data.collections.new(f"IfcRelAggregates/{rel_aggregate.id()}")
-        self.aggregate_collection.children.link(collection)
         element = rel_aggregate.RelatingObject
 
         obj = bpy.data.objects.new("{}/{}".format(element.is_a(), element.Name), None)
-        obj.instance_type = "COLLECTION"
+        obj.BIMObjectProperties.ifc_definition_id = element.id()
-        obj.instance_collection = collection
         self.place_object_in_spatial_tree(element, obj)
-        self.add_element_attributes(element, obj.BIMObjectProperties)
+
+        collection = bpy.data.collections.new(obj.name)
+        obj.users_collection[0].children.link(collection)
+        obj.users_collection[0].objects.unlink(obj)
+        collection.objects.link(obj)
+
         self.add_element_classifications(element, obj)
         self.add_element_document_relations(element, obj)
-        self.add_defines_by_type_relation(element, obj)
         self.add_product_definitions(element, obj)
         self.aggregates[element.GlobalId] = obj
         self.aggregate_collections[rel_aggregate.id()] = collection
@@ -1823,12 +1764,11 @@ class IfcImporter:
             return
 
         obj = bpy.data.objects.new(self.get_name(element), mesh)
+        obj.BIMObjectProperties.ifc_definition_id = element.id()
         self.material_creator.create(element, obj, mesh)
         obj.matrix_world = self.get_element_matrix(element, mesh_name)
-        self.add_element_attributes(element, obj.BIMObjectProperties)
         self.add_element_classifications(element, obj)
         self.add_element_document_relations(element, obj)
-        self.add_defines_by_type_relation(element, obj)
         self.add_product_definitions(element, obj)
         self.added_data[element.GlobalId] = obj
 
@@ -1869,8 +1809,6 @@ class IfcImporter:
         ):
             container = element.ContainedInStructure[0].RelatingStructure
             if container.is_a("IfcSpace"):
-                if self.ifc_import_settings.should_import_spaces and container.GlobalId in self.added_data:
-                    obj.BIMObjectProperties.relating_structure = self.added_data[container.GlobalId]
                 return self.place_object_in_spatial_tree(container, obj)
             elif element.is_a("IfcGrid"):
                 grid_collection = bpy.data.collections.get(obj.name)
@@ -2052,23 +1990,6 @@ class IfcImporter:
             ):
                 return representation.Items[0].MappingTarget
 
-    def get_geometry_type(self, element):
-        tree = []
-        if hasattr(element, "Representation"):
-            tree = self.file.traverse(element.Representation)
-        elif hasattr(element, "RepresentationMaps"):
-            for representation_map in element.RepresentationMaps:
-                tree.extend(self.file.traverse(representation_map))
-        representations = [
-            e
-            for e in tree
-            if e.is_a("IfcRepresentation")
-            and e.RepresentationIdentifier == "Body"
-            and e.RepresentationType != "MappedRepresentation"
-        ]
-        for representation in representations:
-            return representation.Items[0].is_a()
-
     def create_mesh(self, element, shape, is_curve=False):
         try:
             if hasattr(shape, "geometry"):
@@ -2079,7 +2000,13 @@ class IfcImporter:
             if is_curve:
                 return self.create_curve(geometry)
 
-            mesh = bpy.data.meshes.new(geometry.id)
+            representation_id = geometry.id
+            if "-" in representation_id:
+                representation_id = int(re.sub(r"\D", "", representation_id.split("-")[0]))
+            else:
+                representation_id = int(re.sub(r"\D", "", representation_id))
+            mesh = bpy.data.meshes.new("{}/{}".format(
+                self.file.by_id(representation_id).ContextOfItems.id(), geometry.id))
 
             if geometry.faces:
                 num_vertices = len(geometry.verts) // 3
@@ -2120,7 +2047,6 @@ class IfcImporter:
                     ios_materials.append(mat.name)
             mesh["ios_materials"] = ios_materials
             mesh["ios_material_ids"] = geometry.material_ids
-            mesh.BIMMeshProperties.geometry_type = str(self.get_geometry_type(element))
             return mesh
         except:
             self.ifc_import_settings.logger.error("Could not create mesh for %s", element)

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -1,7 +1,6 @@
 import json
 import os
 import ifcopenshell
-import ifcopenshell.util.pset
 from pathlib import Path
 from . import export_ifc
 from . import schema
@@ -9,6 +8,7 @@ from . import ifc
 from . import annotation
 from . import decoration
 import bpy
+from blenderbim.bim.ifc import IfcStore
 from bpy.types import PropertyGroup
 from bpy.app.handlers import persistent
 from bpy.props import (
@@ -40,35 +40,19 @@ psettemplatefiles_enum = []
 propertysettemplates_enum = []
 classification_enum = []
 attributes_enum = []
-psetnames_enum = []
+psetnames = {}
 qtonames_enum = []
 materialattributes_enum = []
 materialtypes_enum = []
 contexts_enum = []
 subcontexts_enum = []
 target_views_enum = []
-persons_enum = []
-organisations_enum = []
 sheets_enum = []
 vector_styles_enum = []
 
 
 @persistent
 def setDefaultProperties(scene):
-    if (
-        bpy.context.scene.BIMProperties.has_model_context
-        and len(bpy.context.scene.BIMProperties.model_subcontexts) == 0
-    ):
-        subcontext = bpy.context.scene.BIMProperties.model_subcontexts.add()
-        subcontext.name = "Body"
-        subcontext.target_view = "MODEL_VIEW"
-        subcontext = bpy.context.scene.BIMProperties.model_subcontexts.add()
-        subcontext.name = "Box"
-        subcontext.target_view = "MODEL_VIEW"
-    if bpy.context.scene.BIMProperties.has_plan_context and len(bpy.context.scene.BIMProperties.plan_subcontexts) == 0:
-        subcontext = bpy.context.scene.BIMProperties.plan_subcontexts.add()
-        subcontext.name = "Annotation"
-        subcontext.target_view = "PLAN_VIEW"
     if len(bpy.context.scene.DocProperties.drawing_styles) == 0:
         drawing_style = bpy.context.scene.DocProperties.drawing_styles.add()
         drawing_style.name = "Technical"
@@ -140,14 +124,13 @@ def setDefaultProperties(scene):
 
 def getIfcPredefinedTypes(self, context):
     global types_enum
-    if len(types_enum) < 1:
+    file = IfcStore.get_file()
-        for name, data in schema.ifc.elements.items():
+    if len(types_enum) < 1 and file:
-            if name != self.ifc_class.strip():
+        declaration = IfcStore.get_schema().declaration_by_name(self.ifc_class)
-                continue
+        for attribute in declaration.attributes():
-            for attribute in data["attributes"]:
+            if attribute.name() == "PredefinedType":
-                if attribute["name"] != "PredefinedType":
+                types_enum.extend([(e, e, "") for e in attribute.type_of_attribute().declared_type().enumeration_items()])
-                    continue
+                break
-                types_enum.extend([(e, e, "") for e in attribute["enum_values"]])
     return types_enum
 
 
@@ -263,6 +246,7 @@ def refreshActiveDrawingIndex(self, context):
 
 def getIfcProducts(self, context):
     global products_enum
+    file = IfcStore.get_file()
     if len(products_enum) < 1:
         products_enum.extend(
             [
@@ -272,23 +256,38 @@ def getIfcProducts(self, context):
                     "IfcElementType",
                     "IfcSpatialElement",
                     "IfcGroup",
-                    "IfcStructural",
+                    "IfcStructuralItem",
-                    "IfcPositioningElement",
                     "IfcContext",
                     "IfcAnnotation",
                 ]
             ]
         )
+        if file.schema == "IFC2X3":
+            products_enum[2] = ("IfcSpatialStructureElement", "IfcSpatialStructureElement", "")
     return products_enum
 
 
 def getIfcClasses(self, context):
     global classes_enum
-    if len(classes_enum) < 1:
+    file = IfcStore.get_file()
-        classes_enum.extend([(e, e, "") for e in getattr(schema.ifc, self.ifc_product)])
+    if len(classes_enum) < 1 and file:
+        declaration = IfcStore.get_schema().declaration_by_name(self.ifc_product)
+        def get_classes(declaration):
+            results = []
+            if not declaration.is_abstract():
+                results.append(declaration.name())
+            for subtype in declaration.subtypes():
+                results.extend(get_classes(subtype))
+            return results
+        classes = get_classes(declaration)
+        classes_enum.extend([(c, c, "") for c in sorted(classes)])
     return classes_enum
 
 
+def getAttributeEnumValues(self, context):
+    return [(e, e, "") for e in json.loads(self.enum_items)]
+
+
 def getProfileDef(self, context):
     global profiledef_enum
     if len(profiledef_enum) < 1:
@@ -297,17 +296,27 @@ def getProfileDef(self, context):
 
 
 def getPersons(self, context):
-    global persons_enum
+    from blenderbim.bim.module.owner.data import Data
-    persons_enum.clear()
+    if not Data.is_loaded:
-    persons_enum.extend([(p.name, p.name, "") for p in bpy.context.scene.BIMProperties.people])
+        Data.load()
-    return persons_enum
+    results = []
+    for ifc_id, person in Data.people.items():
+        if "Id" in person:
+            identifier = person["Id"] or ""
+        else:
+            identifier = person["Identifier"] or ""
+        results.append((str(ifc_id), identifier, ""))
+    return results
 
 
 def getOrganisations(self, context):
-    global organisations_enum
+    from blenderbim.bim.module.owner.data import Data
-    organisations_enum.clear()
+    if not Data.is_loaded:
-    organisations_enum.extend([(o.name, o.name, "") for o in bpy.context.scene.BIMProperties.organisations])
+        Data.load()
-    return organisations_enum
+    results = []
+    for ifc_id, organisation in Data.organisations.items():
+        results.append((str(ifc_id), organisation["Name"], ""))
+    return results
 
 
 def getIfcPatchRecipes(self, context):
@@ -359,11 +368,18 @@ def refreshTitleblocks(self, context):
 def toggleDecorations(self, context):
     toggle = self.should_draw_decorations
     if toggle:
-        for dec in decoration.all_decorators:
+        decoration.DecorationsHandler.install(context)
-            dec.install(self, context)
     else:
-        for dec in decoration.all_decorators:
+        decoration.DecorationsHandler.uninstall()
-            dec.uninstall()
+
+
+@persistent
+def toggleDecorationsOnLoad(*args):
+    toggle = bpy.context.scene.DocProperties.should_draw_decorations
+    if toggle:
+        decoration.DecorationsHandler.install(bpy.context)
+    else:
+        decoration.DecorationsHandler.uninstall()
 
 
 def getScenarios(self, context):
@@ -430,22 +446,20 @@ def refreshReferences(self, context):
 
 
 def getPsetNames(self, context):
-    global psetnames_enum
+    global psetnames
-    psetnames_enum.clear()
+    if "/" in context.active_object.name:
-    if "/" in context.active_object.name and context.active_object.name.split("/")[0] in schema.ifc.elements:
+        ifc_class = context.active_object.name.split("/")[0]
-        pset_names = ifcopenshell.util.pset.get_applicable_psetqtos(
+        if ifc_class not in psetnames:
-            bpy.context.scene.BIMProperties.export_schema, context.active_object.name.split("/")[0], is_pset=True
+            psets = schema.ifc.psetqto.get_applicable(ifc_class, pset_only=True)
-        )
+            psetnames[ifc_class] = [(p.Name, p.Name, "") for p in psets]
-        psetnames_enum.extend([(p, p, "") for p in pset_names])
+        return psetnames[ifc_class]
-    return psetnames_enum
+    return []
 
 
 def getMaterialPsetNames(self, context):
     global materialpsetnames_enum
     materialpsetnames_enum.clear()
-    pset_names = ifcopenshell.util.pset.get_applicable_psetqtos(
+    pset_names = schema.ifc.psetqto.get_applicable_names("IfcMaterial", pset_only=True)
-        bpy.context.scene.BIMProperties.export_schema, "IfcMaterial", is_pset=True
-    )
     materialpsetnames_enum.extend([(p, p, "") for p in pset_names])
     return materialpsetnames_enum
 
@@ -454,27 +468,11 @@ def getQtoNames(self, context):
     global qtonames_enum
     qtonames_enum.clear()
     if "/" in context.active_object.name and context.active_object.name.split("/")[0] in schema.ifc.elements:
-        qto_names = ifcopenshell.util.pset.get_applicable_psetqtos(
+        qto_names = schema.ifc.psetqto.get_applicable_names(context.active_object.name.split("/")[0], qto_only=True)
-            bpy.context.scene.BIMProperties.export_schema, context.active_object.name.split("/")[0], is_qto=True
-        )
         qtonames_enum.extend([(q, q, "") for q in qto_names])
     return qtonames_enum
 
 
-def getApplicableAttributes(self, context):
-    global attributes_enum
-    attributes_enum.clear()
-    if "/" in context.active_object.name and context.active_object.name.split("/")[0] in schema.ifc.elements:
-        attributes_enum.extend(
-            [
-                (a["name"], a["name"], "")
-                for a in schema.ifc.elements[context.active_object.name.split("/")[0]]["attributes"]
-                if self.attributes.find(a["name"]) == -1
-            ]
-        )
-    return attributes_enum
-
-
 def getApplicableMaterialAttributes(self, context):
     global materialattributes_enum
     materialattributes_enum.clear()
@@ -508,6 +506,19 @@ def getMaterialTypes(self, context):
     return materialtypes_enum
 
 
+def getContexts(self, context):
+    from blenderbim.bim.module.context.data import Data
+    if not Data.is_loaded:
+        Data.load()
+    results = []
+    for ifc_id, context in Data.contexts.items():
+        results.append((str(ifc_id), context["ContextType"], ""))
+        for ifc_id2, subcontext in context["HasSubContexts"].items():
+            results.append((str(ifc_id2), "{}/{}/{}".format(
+                subcontext["ContextType"], subcontext["ContextIdentifier"], subcontext["TargetView"]), ""))
+    return results
+
+
 def getSubcontexts(self, context):
     global subcontexts_enum
     subcontexts_enum.clear()
@@ -556,19 +567,9 @@ class Attribute(PropertyGroup):
     bool_value: BoolProperty(name="Value")
     int_value: IntProperty(name="Value")
     float_value: FloatProperty(name="Value")
-
+    is_null: BoolProperty(name="Is Null")
-
+    enum_items: StringProperty(name="Value")
-class Subcontext(PropertyGroup):
+    enum_value: EnumProperty(items=getAttributeEnumValues, name="Value")
-    name: StringProperty(name="Name")
-    context: StringProperty(name="Context")
-    target_view: StringProperty(name="Target View")
-    ifc_definition_id: IntProperty(name="IFC Definition ID")
-
-
-class Representation(PropertyGroup):
-    name: StringProperty(name="Name")
-    type: StringProperty(name="Type")
-    ifc_definition_id: IntProperty(name="IFC Definition ID")
 
 
 class MaterialLayer(PropertyGroup):
@@ -685,8 +686,7 @@ class DocProperties(PropertyGroup):
     drawing_styles: CollectionProperty(name="Drawing Styles", type=DrawingStyle)
     should_draw_decorations: BoolProperty(name="Should Draw Decorations", update=toggleDecorations)
     decorations_colour: FloatVectorProperty(name="Decorations Colour", subtype="COLOR", default=(1, 0, 0, 1),
-                                            min=0.0, max=1.0, size=4,
+                                            min=0.0, max=1.0, size=4)
-                                            update=toggleDecorations)
 
 
 class BIMCameraProperties(PropertyGroup):
@@ -1097,6 +1097,7 @@ class Address(PropertyGroup):
     name: StringProperty(name="Name", default="IfcPostalAddress")  # Stores IfcPostalAddress or IfcTelecomAddress
     purpose: EnumProperty(
         items=[
+            ("None", "None", ""),
             ("OFFICE", "OFFICE", "An office address."),
             ("SITE", "SITE", "A site address."),
             ("HOME", "HOME", "A home address."),
@@ -1117,7 +1118,7 @@ class Address(PropertyGroup):
     country: StringProperty(name="Country")
 
     telephone_numbers: StringProperty(name="Telephone Numbers")
-    fascimile_numbers: StringProperty(name="Fascimile Numbers")
+    facsimile_numbers: StringProperty(name="Facsimile Numbers")
     pager_number: StringProperty(name="Pager Number")
     electronic_mail_addresses: StringProperty(name="Emails")
     www_home_page_url: StringProperty(name="Websites")
@@ -1158,12 +1159,9 @@ class Role(PropertyGroup):
 
 
 class Organisation(PropertyGroup):
+    identification: StringProperty(name="Identification")
     name: StringProperty(name="Name")
     description: StringProperty(name="Description")
-    roles: CollectionProperty(name="Roles", type=Role)
-    active_role_index: bpy.props.IntProperty()
-    addresses: CollectionProperty(name="Addresses", type=Address)
-    active_address_index: bpy.props.IntProperty()
 
 
 class Person(PropertyGroup):
@@ -1173,10 +1171,6 @@ class Person(PropertyGroup):
     middle_names: StringProperty(name="Middle Names")
     prefix_titles: StringProperty(name="Prefixes")
     suffix_titles: StringProperty(name="Suffixes")
-    roles: CollectionProperty(name="Roles", type=Role)
-    active_role_index: bpy.props.IntProperty()
-    addresses: CollectionProperty(name="Addresses", type=Address)
-    active_address_index: bpy.props.IntProperty()
 
 
 class Classification(PropertyGroup):
@@ -1269,7 +1263,7 @@ class BIMProperties(PropertyGroup):
     )
     export_should_force_faceted_brep: BoolProperty(name="Export with Faceted Breps", default=False)
     export_should_force_triangulation: BoolProperty(name="Export with Triangulation", default=False)
-    export_should_export_from_memory: BoolProperty(name="Export from Memory", default=False)
+    export_should_export_from_memory: BoolProperty(name="Export from Memory", default=True)
     import_should_ignore_site_coordinates: BoolProperty(name="Import Ignoring Site Coordinates", default=False)
     import_should_ignore_building_coordinates: BoolProperty(name="Import Ignoring Building Coordinates", default=False)
     import_should_reset_absolute_coordinates: BoolProperty(name="Import Resetting Absolute Coordinates", default=False)
@@ -1281,7 +1275,7 @@ class BIMProperties(PropertyGroup):
     import_should_auto_set_workarounds: BoolProperty(name="Automatically Set Vendor Workarounds", default=True)
     import_should_use_legacy: BoolProperty(name="Import with Legacy Importer", default=False)
     import_should_import_native: BoolProperty(name="Import Native Representations", default=False)
-    import_export_should_roundtrip_native: BoolProperty(name="Roundtrip Native Representations", default=False)
+    import_export_should_roundtrip_native: BoolProperty(name="Roundtrip Native Representations", default=True)
     import_should_use_cpu_multiprocessing: BoolProperty(name="Import with CPU Multiprocessing", default=True)
     import_should_import_with_profiling: BoolProperty(name="Import with Profiling", default=True)
     import_should_import_aggregates: BoolProperty(name="Import Aggregates", default=True)
@@ -1296,12 +1290,18 @@ class BIMProperties(PropertyGroup):
     import_should_offset_model: BoolProperty(name="Import and Offset Model", default=False)
     import_model_offset_coordinates: StringProperty(name="Model Offset Coordinates", default="0,0,0")
     qa_reject_element_reason: StringProperty(name="Element Rejection Reason")
-    person: EnumProperty(items=getPersons, name="Person")
+
-    organisation: EnumProperty(items=getOrganisations, name="Organisation")
+    person: PointerProperty(type=Person)
-    people: CollectionProperty(name="People", type=Person)
+    active_person_id: IntProperty(name="Active Person Id")
-    organisations: CollectionProperty(name="Organisations", type=Organisation)
+    organisation: PointerProperty(type=Organisation)
-    active_person_index: IntProperty(name="Active Person Index")
+    active_organisation_id: IntProperty(name="Active Organisation Id")
-    active_organisation_index: IntProperty(name="Active Organisation Index")
+    role: PointerProperty(type=Role)
+    active_role_id: IntProperty(name="Active Role Id")
+    address: PointerProperty(type=Address)
+    active_address_id: IntProperty(name="Active Address Id")
+    user_person: EnumProperty(items=getPersons, name="Person")
+    user_organisation: EnumProperty(items=getOrganisations, name="Organisation")
+
     has_georeferencing: BoolProperty(name="Has Georeferencing", default=False)
     has_library: BoolProperty(name="Has Project Library", default=False)
     search_regex: BoolProperty(name="Search With Regex", default=False)
@@ -1328,10 +1328,7 @@ class BIMProperties(PropertyGroup):
     classification: EnumProperty(items=getClassifications, name="Classification", update=refreshReferences)
     active_classification_name: StringProperty(name="Active Classification Name")
     classifications: CollectionProperty(name="Classifications", type=Classification)
-    has_model_context: BoolProperty(name="Has Model Context", default=True)
+    contexts: EnumProperty(items=getContexts, name="Contexts")
-    has_plan_context: BoolProperty(name="Has Plan Context", default=True)
-    model_subcontexts: CollectionProperty(name="Model Subcontexts", type=Subcontext)
-    plan_subcontexts: CollectionProperty(name="Plan Subcontexts", type=Subcontext)
     available_contexts: EnumProperty(items=[("Model", "Model", ""), ("Plan", "Plan", "")], name="Available Contexts")
     available_subcontexts: EnumProperty(items=getSubcontexts, name="Available Subcontexts")
     available_target_views: EnumProperty(items=getTargetViews, name="Available Target Views")
@@ -1487,14 +1484,23 @@ class BoundaryCondition(PropertyGroup):
 
 
 class BIMObjectProperties(PropertyGroup):
+    ifc_definition_id: IntProperty(name="IFC Definition ID")
     is_reassigning_class: BoolProperty(name="Is Reassigning Class")
     global_ids: CollectionProperty(name="GlobalIds", type=GlobalId)
     attributes: CollectionProperty(name="Attributes", type=Attribute)
+    is_editing_attributes: BoolProperty(name="Is Editing Attributes")
+    relating_object: PointerProperty(name="Aggregate", type=bpy.types.Object)
+    is_editing_aggregate: BoolProperty(name="Is Editing Aggregate")
+    is_editing_container: BoolProperty(name="Is Editing Container")
+    relating_type: PointerProperty(name="Type", type=bpy.types.Object)
+    is_editing_type: BoolProperty(name="Is Editing Type")
     relating_type: PointerProperty(name="Type Product", type=bpy.types.Object)
     relating_structure: PointerProperty(name="Spatial Container", type=bpy.types.Object)
+    active_pset_id: IntProperty(name="Active Pset ID")
+    active_pset_name: StringProperty(name="Pset Name")
+    properties: CollectionProperty(name="Properties", type=Attribute)
     psets: CollectionProperty(name="Psets", type=PsetQto)
     qtos: CollectionProperty(name="Qtos", type=PsetQto)
-    applicable_attributes: EnumProperty(items=getApplicableAttributes, name="Attribute Names")
     document_references: CollectionProperty(name="Document References", type=DocumentReference)
     active_document_reference_index: IntProperty(name="Active Document Reference Index")
     constraints: CollectionProperty(name="Constraints", type=Constraint)
@@ -1508,20 +1514,10 @@ class BIMObjectProperties(PropertyGroup):
     has_boundary_condition: BoolProperty(name="Has Boundary Condition")
     boundary_condition: PointerProperty(name="Boundary Condition", type=BoundaryCondition)
     structural_member_connection: PointerProperty(name="Structural Member Connection", type=bpy.types.Object)
-    representations: CollectionProperty(name="Representations", type=Representation)
     # Address applies to IfcSite's SiteAddress and IfcBuilding's BuildingAddress
     address: PointerProperty(name="Address", type=Address)
 
 
-class BIMDebugProperties(PropertyGroup):
-    step_id: IntProperty(name="STEP ID")
-    number_of_polygons: IntProperty(name="Number of Polygons")
-    active_step_id: IntProperty(name="STEP ID")
-    step_id_breadcrumb: CollectionProperty(name="STEP ID Breadcrumb", type=StrProperty)
-    attributes: CollectionProperty(name="Attributes", type=Attribute)
-    inverse_attributes: CollectionProperty(name="Inverse Attributes", type=Attribute)
-
-
 class BIMMaterialProperties(PropertyGroup):
     is_external: BoolProperty(name="Has External Definition")
     location: StringProperty(name="Location")
@@ -1531,6 +1527,9 @@ class BIMMaterialProperties(PropertyGroup):
     psets: CollectionProperty(name="Psets", type=PsetQto)
     attributes: CollectionProperty(name="Attributes", type=Attribute)
     applicable_attributes: EnumProperty(items=getApplicableMaterialAttributes, name="Attribute Names")
+    ifc_definition_id: IntProperty(name="IFC Definition ID")
+    # In Blender, a material object can map to an IFC material, IFC surface style, or both
+    ifc_style_id: IntProperty(name="IFC Style ID")
 
 
 class SweptSolid(PropertyGroup):
@@ -1551,13 +1550,13 @@ class ItemSlotMap(PropertyGroup):
 
 
 class BIMMeshProperties(PropertyGroup):
+    ifc_definition_id: IntProperty(name="IFC Definition ID")
     is_native: BoolProperty(name="Is Native", default=False)
     is_swept_solid: BoolProperty(name="Is Swept Solid")
     swept_solids: CollectionProperty(name="Swept Solids", type=SweptSolid)
     is_parametric: BoolProperty(name="Is Parametric", default=False)
-    geometry_type: StringProperty(name="Geometry Type")
     ifc_definition: StringProperty(name="IFC Definition")
     ifc_parameters: CollectionProperty(name="IFC Parameters", type=IfcParameter)
     active_representation_item_index: IntProperty(name="Active Representation Item Index")
     presentation_layer_index: IntProperty(name="Presentation Layer Index", default=-1)
-    ifc_item_ids: CollectionProperty(name="IFC Definition ID", type=ItemSlotMap)
+    ifc_item_ids: CollectionProperty(name="IFC Item IDs", type=ItemSlotMap)

src/ifcblenderexport/blenderbim/bim/schema.py

@@ -10,11 +10,10 @@ cwd = os.path.dirname(os.path.realpath(__file__))
 
 class IfcSchema:
     def __init__(self):
-        self.schema_dir = os.path.join(cwd, "schema")  # TODO: make configurable
+        self.schema_dir = Path(cwd).joinpath("schema")  # TODO: make configurable
-        self.data_dir = os.path.join(cwd, "data")  # TODO: make configurable
+        self.data_dir = Path(cwd).joinpath("data")  # TODO: make configurable
         # TODO: Make it less troublesome
         self.products = [
-            "IfcContext",
             "IfcElement",
             "IfcSpatialElement",
             "IfcGroup",
@@ -29,10 +28,11 @@ class IfcSchema:
         self.elements = {}
 
         self.property_files = []
-        property_paths = Path(os.path.join(self.data_dir, "pset")).glob("*.ifc")
+        property_paths = self.data_dir.joinpath("pset").glob("*.ifc")
+        # TODO: add IFC2X3 PsetQto template support
+        self.psetqto = ifcopenshell.util.pset.PsetQto("IFC4")
         for path in property_paths:
-            ifcopenshell.util.pset.load_property_set_template(path)
+            self.psetqto.templates.append(ifcopenshell.open(path))
-        ifcopenshell.util.pset.load_property_set_template(os.path.join(self.schema_dir, "Pset_IFC4_ADD2.ifc"))
 
         self.classification_files = {}
         self.classifications = {}

src/ifcblenderexport/blenderbim/bim/schema/IfcContext_IFC4.json

@@ -1,114 +0,0 @@
-{
-    "IfcProject": {
-        "is_abstract": false,
-        "parent": "IfcContext",
-        "attributes": [
-            {
-                "name": "GlobalId",
-                "type": "IfcGloballyUniqueId",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Name",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Description",
-                "type": "IfcText",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "ObjectType",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "LongName",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Phase",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            }
-        ],
-        "complex_attributes": [
-            {
-                "name": "OwnerHistory",
-                "type": "IfcOwnerHistory",
-                "is_select": false,
-                "select_types": []
-            },
-            {
-                "name": "UnitsInContext",
-                "type": "IfcUnitAssignment",
-                "is_select": false,
-                "select_types": []
-            }
-        ]
-    },
-    "IfcProjectLibrary": {
-        "is_abstract": false,
-        "parent": "IfcContext",
-        "attributes": [
-            {
-                "name": "GlobalId",
-                "type": "IfcGloballyUniqueId",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Name",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Description",
-                "type": "IfcText",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "ObjectType",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "LongName",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            },
-            {
-                "name": "Phase",
-                "type": "IfcLabel",
-                "is_enum": false,
-                "enum_values": []
-            }
-        ],
-        "complex_attributes": [
-            {
-                "name": "OwnerHistory",
-                "type": "IfcOwnerHistory",
-                "is_select": false,
-                "select_types": []
-            },
-            {
-                "name": "UnitsInContext",
-                "type": "IfcUnitAssignment",
-                "is_select": false,
-                "select_types": []
-            }
-        ]
-    }
-}

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -5,106 +5,6 @@ from bpy.types import Panel
 from bpy.props import StringProperty
 
 
-class BIM_PT_object(Panel):
-    bl_label = "IFC Object"
-    bl_idname = "BIM_PT_object"
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "object"
-
-    @classmethod
-    def poll(cls, context):
-        return context.active_object is not None and hasattr(context.active_object, "BIMObjectProperties")
-
-    def draw(self, context):
-        if context.active_object is None:
-            return
-        layout = self.layout
-        props = context.active_object.BIMObjectProperties
-        bim_properties = context.scene.BIMProperties
-
-        if props.is_reassigning_class or "/" not in context.active_object.name:
-            row = layout.row()
-            row.prop(bim_properties, "ifc_product")
-            row = layout.row()
-            row.prop(bim_properties, "ifc_class")
-            if bim_properties.ifc_predefined_type:
-                row = layout.row()
-                row.prop(bim_properties, "ifc_predefined_type")
-            if bim_properties.ifc_predefined_type == "USERDEFINED":
-                row = layout.row()
-                row.prop(bim_properties, "ifc_userdefined_type")
-            row = layout.row(align=True)
-            if "Ifc" not in context.active_object.name:
-                op = row.operator("bim.assign_class")
-            else:
-                op = row.operator("bim.assign_class")
-            op.object_name = context.active_object.name
-            op = row.operator("bim.unassign_class", icon="X", text="")
-            op.object_name = context.active_object.name
-        else:
-            row = layout.row()
-            row.operator("bim.reassign_class", text="Reassign IFC Class")
-
-        if "Ifc" not in context.active_object.name:
-            return
-
-        layout.label(text="Attributes:")
-        row = layout.row(align=True)
-        row.prop(props, "applicable_attributes", text="")
-        row.operator("bim.add_attribute")
-
-        for index, attribute in enumerate(props.attributes):
-            row = layout.row(align=True)
-            row.prop(attribute, "name", text="")
-            row.prop(attribute, "string_value", text="")
-            if attribute.name == "GlobalId":
-                row.operator("bim.generate_global_id", icon="FILE_REFRESH", text="")
-            op = row.operator("bim.copy_attribute_to_selection", icon="COPYDOWN", text="")
-            op.attribute_name = attribute.name
-            op.attribute_value = attribute.string_value
-            row.operator("bim.remove_attribute", icon="X", text="").attribute_index = index
-
-        row = layout.row()
-        row.prop(props, "attributes")
-
-        if "IfcSite/" in context.active_object.name or "IfcBuilding/" in context.active_object.name:
-            self.draw_addresses_ui()
-
-        row = layout.row(align=True)
-        row.prop(props, "relating_type")
-        row.operator("bim.select_similar_type", icon="RESTRICT_SELECT_OFF", text="")
-        row = layout.row()
-        row.prop(props, "relating_structure")
-
-    def draw_addresses_ui(self):
-        layout = self.layout
-        layout.label(text="Address:")
-        address = bpy.context.active_object.BIMObjectProperties.address
-        row = layout.row()
-        row.prop(address, "purpose")
-        if address.purpose == "USERDEFINED":
-            row = layout.row()
-            row.prop(address, "user_defined_purpose")
-        row = layout.row()
-        row.prop(address, "description")
-
-        row = layout.row()
-        row.prop(address, "internal_location")
-        row = layout.row()
-        row.prop(address, "address_lines")
-        row = layout.row()
-        row.prop(address, "postal_box")
-        row = layout.row()
-        row.prop(address, "town")
-        row = layout.row()
-        row.prop(address, "region")
-        row = layout.row()
-        row.prop(address, "postal_code")
-        row = layout.row()
-        row.prop(address, "country")
-
-
 class BIM_PT_object_material(Panel):
     bl_label = "IFC Object Material"
     bl_idname = "BIM_PT_object_material"
@@ -243,73 +143,6 @@ class BIM_PT_object_material(Panel):
                     row.prop(attribute, "string_value", text="")
 
 
-class BIM_PT_object_psets(Panel):
-    bl_label = "IFC Object Property Sets"
-    bl_idname = "BIM_PT_object_psets"
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "object"
-
-    @classmethod
-    def poll(cls, context):
-        return context.active_object is not None and hasattr(context.active_object, "BIMObjectProperties")
-
-    def draw(self, context):
-        if context.active_object is None:
-            return
-        layout = self.layout
-        props = context.active_object.BIMObjectProperties
-        row = layout.row(align=True)
-        row.prop(props, "pset_name", text="")
-        row.operator("bim.add_pset")
-
-        self.draw_psets_ui(props)
-
-        if props.relating_type and props.relating_type.BIMObjectProperties.psets:
-            layout.label(text="Inherited Psets:")
-            self.draw_psets_ui(props.relating_type.BIMObjectProperties, enabled=False)
-
-    def draw_psets_ui(self, props, enabled=True):
-        for index, pset in enumerate(props.psets):
-            box = self.layout.box()
-            row = box.row(align=True)
-            row.prop(
-                pset,
-                "is_expanded",
-                icon="TRIA_DOWN" if pset.is_expanded else "TRIA_RIGHT",
-                icon_only=True,
-                emboss=False,
-            )
-            row2 = row.row(align=True)
-            row2.enabled = enabled
-            row2.prop(pset, "name", text="", icon="COPY_ID", emboss=pset.is_editable)
-
-            if enabled:
-                row.prop(pset, "is_editable", icon="CHECKMARK" if pset.is_editable else "GREASEPENCIL", icon_only=True)
-                row.operator("bim.remove_pset", icon="X", text="").pset_index = index
-            if not pset.is_expanded:
-                continue
-            if pset.is_editable:
-                for prop in pset.properties:
-                    row = box.row(align=True)
-                    row.enabled = enabled
-                    row.prop(prop, "name", text="")
-                    row.prop(prop, "string_value", text="")
-                    if not enabled:
-                        continue
-                    op = row.operator("bim.copy_property_to_selection", icon="COPYDOWN", text="")
-                    op.pset_name = pset.name
-                    op.prop_name = prop.name
-                    op.prop_value = prop.string_value
-            else:
-                col = box.column(align=True)
-                for prop in pset.properties:
-                    if not prop.string_value:
-                        continue
-                    col.enabled = enabled
-                    col.prop(prop, "string_value", text=prop.name)
-
-
 class BIM_PT_object_qto(Panel):
     bl_label = "IFC Object Quantity Sets"
     bl_idname = "BIM_PT_object_qto"
@@ -626,48 +459,6 @@ class BIM_PT_constraint_relations(Panel):
                     layout.label(text="Constraint is invalid")
 
 
-class BIM_PT_representations(Panel):
-    bl_label = "IFC Representations"
-    bl_idname = "BIM_PT_representations"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "object"
-
-    def draw(self, context):
-        layout = self.layout
-        props = context.active_object.BIMObjectProperties
-
-        if not props.representations:
-            layout.label(text="No representations found")
-
-        row = layout.row(align=True)
-        row.prop(bpy.context.scene.BIMProperties, "available_contexts", text="")
-        row.prop(bpy.context.scene.BIMProperties, "available_subcontexts", text="")
-        row.prop(bpy.context.scene.BIMProperties, "available_target_views", text="")
-        # TODO: reimplement with incremental editing
-        # op = row.operator("bim.switch_context", icon="ADD", text="")
-        # op.has_target_context = False
-
-        self.file = ifc.IfcStore.get_file()
-        for index, representation in enumerate(props.representations):
-            row = layout.row(align=True)
-            row.prop(representation, "name", text="")
-            row.prop(representation, "type", text="")
-            if not representation.ifc_definition_id:
-                continue
-            subcontext = self.file.by_id(representation.ifc_definition_id).ContextOfItems
-            if subcontext.is_a() == "IfcGeometricRepresentationContext":
-                continue
-            # TODO: reimplement with incremental editing
-            # op = row.operator("bim.switch_context", icon="OUTLINER_DATA_MESH", text="")
-            # op.has_target_context = True
-            # op.context_name = subcontext.ContextType
-            # op.subcontext_name = subcontext.ContextIdentifier
-            # op.target_view_name = subcontext.TargetView
-            # row.operator("bim.remove_context", icon="X", text="").index = index
-
-
 class BIM_PT_classification_references(Panel):
     bl_label = "IFC Classification References"
     bl_idname = "BIM_PT_classification_references"
@@ -794,70 +585,6 @@ class BIM_PT_classifications(Panel):
         row.prop(props, "classifications")
 
 
-class BIM_PT_mesh(Panel):
-    bl_label = "IFC Representations"
-    bl_idname = "BIM_PT_mesh"
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "data"
-
-    @classmethod
-    def poll(cls, context):
-        return (
-            context.active_object is not None
-            and context.active_object.type == "MESH"
-            and hasattr(context.active_object.data, "BIMMeshProperties")
-        )
-
-    def draw(self, context):
-        if not context.active_object.data:
-            return
-        layout = self.layout
-        props = context.active_object.data.BIMMeshProperties
-
-        row = layout.row(align=True)
-        row.operator("bim.push_representation")
-
-        row = layout.row()
-        row.prop(props, "geometry_type")
-        layout.label(text="IFC Parameters:")
-        row = layout.row()
-        row.operator("bim.get_representation_ifc_parameters")
-        row = layout.row()
-        row.operator("bim.bake_parametric_geometry")
-        for index, ifc_parameter in enumerate(props.ifc_parameters):
-            row = layout.row(align=True)
-            row.prop(ifc_parameter, "name", text="")
-            row.prop(ifc_parameter, "value", text="")
-            row.operator("bim.update_ifc_representation", icon="FILE_REFRESH", text="").index = index
-
-        row = layout.row()
-        row.prop(props, "is_parametric")
-        row = layout.row()
-        row.prop(props, "is_native")
-        row = layout.row()
-        row.prop(props, "is_swept_solid")
-
-        row = layout.row()
-        row.operator("bim.add_swept_solid")
-        for index, swept_solid in enumerate(props.swept_solids):
-            row = layout.row(align=True)
-            row.prop(swept_solid, "name", text="")
-            row.operator("bim.remove_swept_solid", icon="X", text="").index = index
-            row = layout.row()
-            sub = row.row(align=True)
-            sub.operator("bim.assign_swept_solid_outer_curve").index = index
-            sub.operator("bim.select_swept_solid_outer_curve", icon="RESTRICT_SELECT_OFF", text="").index = index
-            sub = row.row(align=True)
-            sub.operator("bim.add_swept_solid_inner_curve").index = index
-            sub.operator("bim.select_swept_solid_inner_curves", icon="RESTRICT_SELECT_OFF", text="").index = index
-            row = layout.row(align=True)
-            row.operator("bim.assign_swept_solid_extrusion").index = index
-            row.operator("bim.select_swept_solid_extrusion", icon="RESTRICT_SELECT_OFF", text="").index = index
-        row = layout.row()
-        row.prop(props, "swept_solids")
-
-
 class BIM_PT_presentation_layer_data(Panel):
     bl_label = "IFC Presentation Layers"
     bl_idname = "BIM_PT_presentation"
@@ -1303,213 +1030,6 @@ class BIM_PT_text(Panel):
             row.prop(variable, "prop_key")
 
 
-class BIM_PT_owner(Panel):
-    bl_label = "IFC Owner History"
-    bl_idname = "BIM_PT_owner"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "scene"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-
-        scene = context.scene
-        props = scene.BIMProperties
-
-        if not props.person:
-            layout.label(text="No people found.")
-        else:
-            row = layout.row()
-            row.prop(props, "person")
-
-        if not props.organisation:
-            layout.label(text="No organisations found.")
-        else:
-            row = layout.row()
-            row.prop(props, "organisation")
-
-
-class BIM_PT_people(Panel):
-    bl_label = "IFC People"
-    bl_idname = "BIM_PT_people"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "scene"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-
-        props = context.scene.BIMProperties
-
-        row = layout.row()
-        row.operator("bim.add_person")
-
-        if props.people:
-            layout.template_list("BIM_UL_generic", "", props, "people", props, "active_person_index")
-
-            if props.active_person_index < len(props.people):
-                person = props.people[props.active_person_index]
-                row = layout.row()
-                row.prop(person, "name")
-                row.operator("bim.remove_person", icon="X", text="").index = props.active_person_index
-                row = layout.row()
-                row.prop(person, "family_name")
-                row = layout.row()
-                row.prop(person, "given_name")
-                row = layout.row()
-                row.prop(person, "middle_names")
-                row = layout.row()
-                row.prop(person, "prefix_titles")
-                row = layout.row()
-                row.prop(person, "suffix_titles")
-                layout.label(text="Roles:")
-                draw_roles_ui(layout, person, "person")
-                layout.label(text="Addresses:")
-                draw_addresses_ui(layout, person, "person")
-
-
-class BIM_PT_organisations(Panel):
-    bl_label = "IFC Organisations"
-    bl_idname = "BIM_PT_organisations"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "scene"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-
-        props = context.scene.BIMProperties
-
-        row = layout.row()
-        row.operator("bim.add_organisation")
-
-        if props.organisations:
-            layout.template_list("BIM_UL_generic", "", props, "organisations", props, "active_organisation_index")
-
-            if props.active_organisation_index < len(props.organisations):
-                organisation = props.organisations[props.active_organisation_index]
-                row = layout.row()
-                row.prop(organisation, "name")
-                row.operator("bim.remove_organisation", icon="X", text="").index = props.active_organisation_index
-                row = layout.row()
-                row.prop(organisation, "description")
-                layout.label(text="Roles:")
-                draw_roles_ui(layout, organisation, "organisation")
-                layout.label(text="Addresses:")
-                draw_addresses_ui(layout, organisation, "organisation")
-
-
-def draw_roles_ui(layout, parent, parent_type):
-    row = layout.row()
-    row.operator(f"bim.add_{parent_type}_role")
-
-    if parent.roles:
-        layout.template_list("BIM_UL_generic", "", parent, "roles", parent, "active_role_index")
-
-        if parent.active_role_index < len(parent.roles):
-            role = parent.roles[parent.active_role_index]
-            row = layout.row()
-            row.prop(role, "name")
-            row.operator(f"bim.remove_{parent_type}_role", icon="X", text="").index = parent.active_role_index
-            if role.name == "USERDEFINED":
-                row = layout.row()
-                row.prop(role, "user_defined_role")
-            row = layout.row()
-            row.prop(role, "description")
-
-
-def draw_addresses_ui(layout, parent, parent_type):
-    row = layout.row()
-    row.operator(f"bim.add_{parent_type}_address")
-
-    if parent.addresses:
-        layout.template_list("BIM_UL_generic", "", parent, "addresses", parent, "active_address_index")
-
-        if parent.active_address_index < len(parent.addresses):
-            address = parent.addresses[parent.active_address_index]
-            row = layout.row()
-            row.prop(address, "name")
-            row.operator(f"bim.remove_{parent_type}_address", icon="X", text="").index = parent.active_address_index
-            row = layout.row()
-            row.prop(address, "purpose")
-            if address.purpose == "USERDEFINED":
-                row = layout.row()
-                row.prop(address, "user_defined_purpose")
-            row = layout.row()
-            row.prop(address, "description")
-
-            if "IfcPostalAddress" in address.name:
-                row = layout.row()
-                row.prop(address, "internal_location")
-                row = layout.row()
-                row.prop(address, "address_lines")
-                row = layout.row()
-                row.prop(address, "postal_box")
-                row = layout.row()
-                row.prop(address, "town")
-                row = layout.row()
-                row.prop(address, "region")
-                row = layout.row()
-                row.prop(address, "postal_code")
-                row = layout.row()
-                row.prop(address, "country")
-            elif "IfcTelecomAddress" in address.name:
-                row = layout.row()
-                row.prop(address, "telephone_numbers")
-                row = layout.row()
-                row.prop(address, "fascimile_numbers")
-                row = layout.row()
-                row.prop(address, "pager_number")
-                row = layout.row()
-                row.prop(address, "electronic_mail_addresses")
-                row = layout.row()
-                row.prop(address, "www_home_page_url")
-                row = layout.row()
-                row.prop(address, "messaging_ids")
-
-
-class BIM_PT_context(Panel):
-    bl_label = "IFC Geometric Representation Contexts"
-    bl_idname = "BIM_PT_context"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "scene"
-
-    def draw(self, context):
-        layout = self.layout
-
-        scene = context.scene
-        props = scene.BIMProperties
-
-        for context in ["model", "plan"]:
-            row = layout.row(align=True)
-            row.prop(props, f"has_{context}_context")
-
-            if not getattr(props, f"has_{context}_context"):
-                continue
-
-            layout.label(text="Geometric Representation Subcontexts:")
-            row = layout.row(align=True)
-            row.prop(props, "available_subcontexts", text="")
-            row.prop(props, "available_target_views", text="")
-            row.operator("bim.add_subcontext", icon="ADD", text="").context = context
-
-            for subcontext_index, subcontext in enumerate(getattr(props, "{}_subcontexts".format(context))):
-                row = layout.row(align=True)
-                row.prop(subcontext, "name", text="")
-                row.prop(subcontext, "target_view", text="")
-                row.operator("bim.remove_subcontext", icon="X", text="").indexes = "{}-{}".format(
-                    context, subcontext_index
-                )
-
-
 class BIM_PT_bim(Panel):
     bl_label = "Building Information Modeling"
     bl_idname = "BIM_PT_bim"
@@ -1526,9 +1046,6 @@ class BIM_PT_bim(Panel):
 
         layout.label(text="System Setup:")
 
-        row = layout.row()
-        row.operator("bim.quick_project_setup")
-
         row = layout.row(align=True)
         row.prop(bim_properties, "schema_dir")
         row.operator("bim.select_schema_dir", icon="FILE_FOLDER", text="")
@@ -1548,22 +1065,6 @@ class BIM_PT_bim(Panel):
 
         layout.label(text="IFC Categorisation:")
 
-        row = layout.row()
-        row.prop(bim_properties, "ifc_product")
-        row = layout.row()
-        row.prop(bim_properties, "ifc_class")
-        if bim_properties.ifc_predefined_type:
-            row = layout.row()
-            row.prop(bim_properties, "ifc_predefined_type")
-        if bim_properties.ifc_predefined_type == "USERDEFINED":
-            row = layout.row()
-            row.prop(bim_properties, "ifc_userdefined_type")
-        row = layout.row(align=True)
-        op = row.operator("bim.assign_class")
-        op.object_name = ""
-        op = row.operator("bim.unassign_class", icon="X", text="")
-        op.object_name = ""
-
         row = layout.row(align=True)
         row.operator("bim.select_class")
         row.operator("bim.select_type")
@@ -1850,6 +1351,7 @@ class BIM_PT_patch(Panel):
 class BIM_PT_mvd(Panel):
     bl_label = "Model View Definitions (MVD)"
     bl_idname = "BIM_PT_mvd"
+    bl_options = {"DEFAULT_CLOSED"}
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "scene"
@@ -2360,68 +1862,6 @@ class BIM_PT_misc_utilities(Panel):
         row.operator("bim.snap_spaces_together")
 
 
-class BIM_PT_debug(Panel):
-    bl_label = "IFC Debug"
-    bl_idname = "BIM_PT_debug"
-    bl_options = {"DEFAULT_CLOSED"}
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "scene"
-
-    def draw(self, context):
-        layout = self.layout
-
-        scene = context.scene
-        props = scene.BIMDebugProperties
-
-        row = layout.row()
-        row.operator("bim.profile_import_ifc")
-
-        row = layout.row()
-        row.prop(props, "step_id", text="")
-        row = layout.row()
-        row.operator("bim.create_shape_from_step_id")
-
-        row = layout.row()
-        row.prop(props, "number_of_polygons", text="")
-        row = layout.row()
-        row.operator("bim.select_high_polygon_meshes")
-
-        layout.label(text="Inspector:")
-
-        row = layout.row(align=True)
-        if len(props.step_id_breadcrumb) >= 2:
-            row.operator("bim.rewind_inspector", icon="FRAME_PREV", text="")
-        row.prop(props, "active_step_id", text="")
-        row = layout.row(align=True)
-        row.operator("bim.inspect_from_step_id").step_id = bpy.context.scene.BIMDebugProperties.active_step_id
-        row.operator("bim.inspect_from_object")
-
-        if props.attributes:
-            layout.label(text="Direct attributes:")
-
-        for index, attribute in enumerate(props.attributes):
-            row = layout.row(align=True)
-            row.prop(attribute, "name", text="")
-            row.prop(attribute, "string_value", text="")
-            if attribute.int_value:
-                row.operator(
-                    "bim.inspect_from_step_id", icon="DISCLOSURE_TRI_RIGHT", text=""
-                ).step_id = attribute.int_value
-
-        if props.inverse_attributes:
-            layout.label(text="Inverse attributes:")
-
-        for index, attribute in enumerate(props.inverse_attributes):
-            row = layout.row(align=True)
-            row.prop(attribute, "name", text="")
-            row.prop(attribute, "string_value", text="")
-            if attribute.int_value:
-                row.operator(
-                    "bim.inspect_from_step_id", icon="DISCLOSURE_TRI_RIGHT", text=""
-                ).step_id = attribute.int_value
-
-
 def ifc_units(self, context):
     scene = context.scene
     props = context.scene.BIMProperties

src/ifcconvert/IfcConvert.cpp

@@ -376,6 +376,8 @@ int main(int argc, char** argv) {
 			"Creates SVG elevation drawings automatically based on model extents")
 		("svg-xmlns",
 			"Stores name and guid in a separate namespace as opposed to data-name, data-guid")
+		("svg-poly",
+			"Uses the polygonal algorithm for hidden line rendering")
 		("door-arcs", "Draw door openings arcs for IfcDoor elements")
 		("section-height", po::value<double>(&section_height),
 		    "Specifies the cut section height for SVG 2D geometry.")
@@ -467,6 +469,7 @@ int main(int argc, char** argv) {
 	const bool use_element_types = vmap.count("use-element-types") != 0;
 	const bool use_element_hierarchy = vmap.count("use-element-hierarchy") != 0;
 	const bool use_z_up = vmap.count("use-z-up") != 0;
+
 	const bool no_normals = vmap.count("no-normals") != 0;
 	const bool center_model = vmap.count("center-model") != 0;
 	const bool center_model_geometry = vmap.count("center-model-geometry") != 0;
@@ -741,6 +744,7 @@ int main(int argc, char** argv) {
     settings.set(SerializerSettings::USE_ELEMENT_NAMES, use_element_names);
     settings.set(SerializerSettings::USE_ELEMENT_GUIDS, use_element_guids);
 	settings.set(SerializerSettings::USE_Z_UP, use_z_up);
+
 	settings.set(SerializerSettings::USE_ELEMENT_STEPIDS, use_element_stepids);
 	settings.set(SerializerSettings::USE_MATERIAL_NAMES, use_material_names);
 	settings.set(SerializerSettings::USE_ELEMENT_TYPES, use_element_types);
@@ -962,6 +966,7 @@ int main(int argc, char** argv) {
 			static_cast<SvgSerializer*>(serializer.get())->setAutoElevation(true);
 		}
 		static_cast<SvgSerializer*>(serializer.get())->setUseNamespace(vmap.count("svg-xmlns") > 0);
+		static_cast<SvgSerializer*>(serializer.get())->setUseHlrPoly(vmap.count("svg-poly") > 0);
 		if (relative_center_x && relative_center_y) {
 			static_cast<SvgSerializer*>(serializer.get())->setDrawingCenter(*relative_center_x, *relative_center_y);
 		}

src/ifccsv/ifccsv.py

@@ -4,6 +4,7 @@
 import ifcopenshell
 import ifcopenshell.util.selector
 import ifcopenshell.util.element
+import ifcopenshell.util.schema
 import csv
 import lark
 import argparse
@@ -13,7 +14,7 @@ class IfcAttributeExtractor:
     @staticmethod
     def set_element_key(ifc_file, element, key, value):
         if key == "type" and element.is_a() != value:
-            return IfcAttributeExtractor.change_ifc_class(ifc_file, element, value)
+            return ifcopenshell.util.schema.reassign_class(ifc_file, element, value)
         if hasattr(element, key):
             setattr(element, key, value)
             return element
@@ -32,24 +33,6 @@ class IfcAttributeExtractor:
             return element
         return element
 
-    @staticmethod
-    def change_ifc_class(ifc_file, element, new_class):
-        try:
-            new_element = ifc_file.create_entity(new_class)
-        except:
-            print(f"Class of {element} could not be changed to {new_class}")
-            return element
-        new_attributes = [new_element.attribute_name(i) for i, attribute in enumerate(new_element)]
-        for i, attribute in enumerate(element):
-            try:
-                new_element[new_attributes.index(element.attribute_name(i))] = attribute
-            except:
-                continue
-        for inverse in ifc_file.get_inverse(element):
-            ifcopenshell.util.element.replace_attribute(inverse, element, new_element)
-        ifc_file.remove(element)
-        return new_element
-
     @staticmethod
     def get_element_qto(element, name):
         for relationship in element.IsDefinedBy:

src/ifcopenshell-python/ifcopenshell/__init__.py

@@ -63,8 +63,8 @@ def open(fn):
         raise IOError("Unable to open file for reading")
 
 
-def create_entity(type, *args, **kwargs):
+def create_entity(type, schema='IFC4', *args, **kwargs):
-    e = entity_instance(type)
+    e = entity_instance((schema, type))
     attrs = list(enumerate(args)) + [(e.wrapped_data.get_argument_index(name), arg) for name, arg in kwargs.items()]
     for idx, arg in attrs:
         e[idx] = arg

src/ifcopenshell-python/ifcopenshell/entity_instance.py

@@ -271,3 +271,10 @@ class entity_instance(object):
         return return_type(_())
 
     __dict__ = property(get_info)
+    
+    def get_info_2(self, include_identifier=True, recursive=False, return_type=dict, ignore=()):
+        assert include_identifier
+        assert recursive
+        assert return_type is dict
+        assert len(ignore) == 0
+        return ifcopenshell_wrapper.get_info_cpp(self.wrapped_data)

src/ifcopenshell-python/ifcopenshell/util/element.py

@@ -93,3 +93,32 @@ def replace_attribute(element, old, new):
                 if item == old:
                     new_attribute[j] = new
                     element[i] = new_attribute
+
+
+def is_representation_of_context(representation, context, subcontext=None, target_view=None):
+    if target_view is not None:
+        return (
+            representation.ContextOfItems.is_a("IfcGeometricRepresentationSubContext")
+            and representation.ContextOfItems.TargetView == target_view
+            and representation.ContextOfItems.ContextIdentifier == subcontext
+            and representation.ContextOfItems.ContextType == context
+        )
+    elif subcontext is not None:
+        return (
+            representation.ContextOfItems.is_a("IfcGeometricRepresentationSubContext")
+            and representation.ContextOfItems.ContextIdentifier == subcontext
+            and representation.ContextOfItems.ContextType == context
+        )
+    elif representation.ContextOfItems.ContextType == context:
+        return True
+
+
+def get_representation(element, context, subcontext=None, target_view=None):
+    if element.is_a("IfcProduct") and element.Representation:
+        for r in element.Representation.Representations:
+            if is_representation_of_context(r, context, subcontext, target_view):
+                return r
+    elif element.is_a("IfcTypeProduct") and element.RepresentationMaps:
+        for r in element.RepresentationMaps:
+            if is_representation_of_context(r.MappedRepresentation, context, subcontext, target_view):
+                return r.MappedRepresentation

src/ifcopenshell-python/ifcopenshell/util/pset.py

@@ -1,39 +1,77 @@
+import pathlib
+import re
+from functools import lru_cache
+from typing import List, Generator, Optional
+
 import ifcopenshell
-
+from ifcopenshell.entity_instance import entity_instance
-property_set_template_files = []
-psets = {}
-qtos = {}
-applicable_psets = {}
-applicable_qtos = {}
 
 
-def load_property_set_template(path):
+class PsetQto:
-    property_set_template_files.append(ifcopenshell.open(path))
+    templates_path = {
-    for prop in property_set_template_files[-1].by_type("IfcPropertySetTemplate"):
+        "IFC4": "Pset_IFC4_ADD2.ifc",
-        if prop.Name[0:4] == "Qto_":
+    }
-            qtos[prop.Name] = {"HasPropertyTemplates": {p.Name: p for p in prop.HasPropertyTemplates}}
-            entity = prop.ApplicableEntity if prop.ApplicableEntity else "IfcRoot"
-            applicable_qtos.setdefault(entity, []).append(prop.Name)
-        else:
-            psets[prop.Name] = {"HasPropertyTemplates": {p.Name: p for p in prop.HasPropertyTemplates}}
-            entity = prop.ApplicableEntity if prop.ApplicableEntity else "IfcRoot"
-            applicable_psets.setdefault(entity, []).append(prop.Name)
 
+    def __init__(self, schema: str, templates=None) -> None:
+        self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(schema)
+        if not templates:
+            folder_path = pathlib.Path(__file__).parent.absolute()
+            path = folder_path.joinpath("schema", self.templates_path[schema])
+            templates = [ifcopenshell.open(path)]
+        self.templates = templates
 
-def get_applicable_psetqtos(schema_version, ifc_class, is_pset=False, is_qto=False):
+    @lru_cache()
-    def is_a(entity, ifc_class):
+    def get_applicable(
-        if entity.name() == ifc_class:
+        self, ifc_class="", predefined_type="", pset_only=False, qto_only=False
-            return True
+    ) -> Generator[entity_instance, entity_instance, None]:
-        return is_a(entity.supertype(), ifc_class) if entity.supertype() else False
+        any_class = not ifc_class
+        if not any_class:
+            entity = self.schema.declaration_by_name(ifc_class)
+        for template in self.templates:
+            for prop_set in template.by_type("IfcPropertySetTemplate"):
+                if pset_only:
+                    if prop_set.Name.startswith("Qto_"):
+                        continue
+                if qto_only:
+                    if not prop_set.Name.startswith("Qto_"):
+                        continue
+                if any_class or self.is_applicable(entity, prop_set.ApplicableEntity or "IfcRoot", predefined_type):
+                    yield prop_set
 
-    results = []
+    def get_applicable_names(self, ifc_class: str, predefined_type="", pset_only=False, qto_only=False) -> List[str]:
-    schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(schema_version)
+        """Return names instead of objects for other use eg. enum"""
-    entity = schema.declaration_by_name(ifc_class)
+        return [prop_set.Name for prop_set in self.get_applicable(ifc_class, predefined_type, pset_only, qto_only)]
-    if is_pset:
+
-        search_items = applicable_psets.items()
+    def is_applicable(self, entity: entity_instance, applicables: str, predefined_type="") -> bool:
-    elif is_qto:
+        """applicables can have multiple possible patterns :
-        search_items = applicable_qtos.items()
+        IfcBoilerType                               (IfcClass)
-    for ifc_class, pset_names in search_items:
+        IfcBoilerType/STEAM                         (IfcClass/PREDEFINEDTYPE)
-        if is_a(entity, ifc_class):
+        IfcBoilerType[PerformanceHistory]           (IfcClass[PerformanceHistory])
-            results.extend(pset_names)
+        IfcBoilerType/STEAM[PerformanceHistory]     (IfcClass/PREDEFINEDTYPE[PerformanceHistory])
-    return results
+        """
+        for applicable in applicables.split(","):
+            match = re.match(r"(\w+)(\[\w+\])*/*(\w+)*(\[\w+\])*", applicable)
+            if not match:
+                continue
+            # Uncomment if usage found
+            # applicable_perf_history = match.group(2) or match.group(4)
+            if predefined_type and predefined_type != match.group(3):
+                continue
+
+            applicable_class = match.group(1)
+            if entity.name() == applicable_class:
+                return True
+            if entity.supertype():
+                return self.is_applicable(entity.supertype(), applicable_class)
+        return False
+
+    @lru_cache()
+    def get_by_name(self, name: str) -> Optional[entity_instance]:
+        for template in self.templates:
+            for prop_set in template.by_type("IfcPropertySetTemplate"):
+                if prop_set.Name == name:
+                    return prop_set
+        return None
+
+    def is_templated(self, name: str) -> bool:
+        return bool(self.get_by_name(name))

src/ifcopenshell-python/ifcopenshell/util/schema.py

@@ -18,6 +18,25 @@ def is_a(entity, ifc_class):
     return False
 
 
+def reassign_class(ifc_file, element, new_class):
+    try:
+        new_element = ifc_file.create_entity(new_class)
+    except:
+        print(f"Class of {element} could not be changed to {new_class}")
+        return element
+    new_attributes = [new_element.attribute_name(i) for i, attribute in enumerate(new_element)]
+    for i, attribute in enumerate(element):
+        try:
+            new_element[new_attributes.index(element.attribute_name(i))] = attribute
+        except:
+            continue
+    for inverse in ifc_file.get_inverse(element):
+        ifcopenshell.util.element.replace_attribute(inverse, element, new_element)
+    ifc_file.remove(element)
+    return new_element
+
+
+
 class Migrator:
     def __init__(self):
         self.migrated_ids = {}

src/ifcopenshell-python/ifcopenshell/util/unit.py

@@ -142,3 +142,17 @@ def convert(value, from_prefix, from_unit, to_prefix, to_unit):
             value *= 1 / get_prefix_multiplier(to_prefix)
             value *= 1 / get_prefix_multiplier(to_prefix)
     return value
+
+
+def calculate_unit_scale(file):
+    units = file.by_type("IfcUnitAssignment")[0]
+    unit_scale = 1
+    for unit in units.Units:
+        if not hasattr(unit, "UnitType") or unit.UnitType != "LENGTHUNIT":
+            continue
+        while unit.is_a("IfcConversionBasedUnit"):
+            unit_scale *= unit.ConversionFactor.ValueComponent.wrappedValue
+            unit = unit.ConversionFactor.UnitComponent
+        if unit.is_a("IfcSIUnit"):
+            unit_scale *= get_prefix_multiplier(unit.Prefix)
+    return unit_scale

src/ifcparse/IfcParse.cpp

@@ -1866,7 +1866,12 @@ void IfcFile::removeEntity(IfcUtil::IfcBaseClass* entity) {
 
 	if (entity->declaration().is(*ifcroot_type_)) {
 		const std::string global_id = *entity->data().getArgument(0);
-		byguid.erase(byguid.find(global_id));
+		auto it = byguid.find(global_id);
+		if (it != byguid.end()) {
+			byguid.erase(it);
+		} else {
+			Logger::Warning("GlobalId on rooted instance not encountered in map");
+		}
 	}
 	
 	byid.erase(byid.find(id));

src/ifcwrap/CMakeLists.txt

@@ -84,8 +84,7 @@ IF(PYTHONINTERP_FOUND AND NOT "${PYTHON_EXECUTABLE}" STREQUAL "")
         MESSAGE(WARNING "Unable to locate Python site-package directory, unable to install the Python wrapper")
     ELSE()
         FILE(GLOB_RECURSE sourcefiles 
-            "${CMAKE_CURRENT_SOURCE_DIR}/../ifcopenshell-python/ifcopenshell/*.py"
+            "${CMAKE_CURRENT_SOURCE_DIR}/../ifcopenshell-python/ifcopenshell/*"
-            "${CMAKE_CURRENT_SOURCE_DIR}/../ifcopenshell-python/ifcopenshell/*.bnf"
         )
         FOREACH(file ${sourcefiles})
             FILE(RELATIVE_PATH relative "${CMAKE_CURRENT_SOURCE_DIR}/../ifcopenshell-python/ifcopenshell/" "${file}")

src/ifcwrap/IfcParseWrapper.i

@@ -678,3 +678,122 @@ static IfcUtil::ArgumentType helper_fn_attribute_type(const IfcUtil::IfcBaseClas
 	}
 %}
 
+%{
+	PyObject* get_info_cpp(IfcUtil::IfcBaseClass* v);
+
+	// @todo refactor this to remove duplication with the typemap. 
+	// except this is calls the above function in case of instances.
+	PyObject* convert_cpp_attribute_to_python(IfcUtil::ArgumentType type, Argument& arg) {
+		if (!arg.isNull() && type != IfcUtil::Argument_DERIVED) {
+		try {
+		switch(type) {
+			case IfcUtil::Argument_INT: {
+				int v = arg;
+				return pythonize(v);
+			break; }
+			case IfcUtil::Argument_BOOL: {
+				bool v = arg;
+				return pythonize(v);
+			break; }
+			case IfcUtil::Argument_DOUBLE: {
+				double v = arg;
+				return pythonize(v);
+			break; }
+			case IfcUtil::Argument_ENUMERATION:
+			case IfcUtil::Argument_STRING: {
+				std::string v = arg;
+				return pythonize(v);
+			break; }
+			case IfcUtil::Argument_BINARY: {
+				boost::dynamic_bitset<> v = arg;
+				return pythonize(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_INT: {
+				std::vector<int> v = arg;
+				return pythonize_vector(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_DOUBLE: {
+				std::vector<double> v = arg;
+				return pythonize_vector(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_STRING: {
+				std::vector<std::string> v = arg;
+				return pythonize_vector(v);
+			break; }
+			case IfcUtil::Argument_ENTITY_INSTANCE: {
+				IfcUtil::IfcBaseClass* v = arg;
+				return get_info_cpp(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_ENTITY_INSTANCE: {
+				IfcEntityList::ptr v = arg;
+				auto r = PyTuple_New(v->size());
+				for (unsigned i = 0; i < v->size(); ++i) {
+					PyTuple_SetItem(r, i, get_info_cpp((*v)[i]));
+				}				
+				return r;
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_BINARY: {
+				std::vector< boost::dynamic_bitset<> > v = arg;
+				return pythonize_vector(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_INT: {
+				std::vector< std::vector<int> > v = arg;
+				return pythonize_vector2(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_DOUBLE: {
+				std::vector< std::vector<double> > v = arg;
+				return pythonize_vector2(v);
+			break; }
+			case IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_ENTITY_INSTANCE: {
+				IfcEntityListList::ptr vs = arg;
+				auto rs = PyTuple_New(vs->size());
+				for (auto it = vs->begin(); it != vs->end(); ++it) {
+					IfcEntityList::ptr v_i = arg;
+					auto r = PyTuple_New(v_i->size());
+					for (unsigned i = 0; i < v_i->size(); ++i) {
+						PyTuple_SetItem(r, i, get_info_cpp((*v_i)[i]));
+					}
+					PyTuple_SetItem(rs, std::distance(vs->begin(), it), r);
+				}				
+				return rs;
+			break; }
+			case IfcUtil::Argument_EMPTY_AGGREGATE: {
+				return PyTuple_New(0);
+			break; }
+		}
+		} catch(...) {}
+		}
+		Py_INCREF(Py_None);
+		return Py_None;
+	}
+%}
+%inline %{
+	PyObject* get_info_cpp(IfcUtil::IfcBaseClass* v) {
+		PyObject *d = PyDict_New();
+		const std::vector<const IfcParse::attribute*> attrs = v->declaration().as_entity()->all_attributes();
+		std::vector<const IfcParse::attribute*>::const_iterator it = attrs.begin();
+		for (; it != attrs.end(); ++it) {
+			const std::string& name_cpp = (*it)->name();
+			auto name_py = pythonize(name_cpp);
+			auto attr_type = IfcUtil::from_parameter_type((*it)->type_of_attribute());
+			auto value_cpp = v->data().getArgument(std::distance(attrs.begin(), it));
+			auto value_py = convert_cpp_attribute_to_python(attr_type, *value_cpp);
+			PyDict_SetItem(d, name_py, value_py);
+		}
+		
+		// @todo type and id can be static?
+		const std::string& type_cpp = "type";
+		auto type_py = pythonize(type_cpp);
+		const std::string& type_v_cpp = v->declaration().name();
+		auto type_v_py = pythonize(type_v_cpp);
+		PyDict_SetItem(d, type_py, type_v_py);
+
+		const std::string& id_cpp = "id";
+		auto id_py = pythonize(id_cpp);
+		auto id_v_py = pythonize(v->data().id());
+		PyDict_SetItem(d, id_py, id_v_py);
+
+		return d;
+	}
+%}
+

src/serializers/GeometrySerializer.h

@@ -54,7 +54,6 @@ public:
 		/// Applicable for OBJ, DAE, and SVG output.
 		USE_ELEMENT_STEPIDS = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 6),
 		/// Use step Z UP .
-		/// Applicable for OBJ output.
 		USE_Z_UP = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 7),
 		/// Number of different setting flags.
         NUM_SETTINGS = 7

src/serializers/SvgSerializer.cpp

@@ -24,6 +24,7 @@
 #include <cstdio>
 #include <limits>
 #include <algorithm>
+#include <numeric>
 
 #include <gp_Pln.hxx>
 #include <gp_Trsf.hxx>
@@ -67,6 +68,8 @@
 
 #include <ShapeFix_Edge.hxx>
 
+#include <HLRBRep_PolyHLRToShape.hxx>
+
 #include "../ifcparse/IfcGlobalId.h"
 
 #include "SvgSerializer.h"
@@ -292,16 +295,18 @@ void SvgSerializer::write(path_object& p, const TopoDS_Wire& wire) {
 	p.second.push_back(path);
 }
 
-SvgSerializer::path_object& SvgSerializer::start_path(IfcUtil::IfcBaseEntity* storey, const std::string& id) {
+SvgSerializer::path_object& SvgSerializer::start_path(const gp_Pln& pln, IfcUtil::IfcBaseEntity* storey, const std::string& id) {
 	auto key = std::make_pair(std::make_pair(storey, ""), path_object());
 	SvgSerializer::path_object& p = paths.insert(key)->second;
+	drawing_metadata[key.first].pln_3d = pln;
 	p.first = id;
 	return p;
 }
 
-SvgSerializer::path_object& SvgSerializer::start_path(const std::string& drawing_name, const std::string& id) {
+SvgSerializer::path_object& SvgSerializer::start_path(const gp_Pln& pln, const std::string& drawing_name, const std::string& id) {
 	auto key = std::make_pair(std::make_pair(nullptr, drawing_name), path_object());
 	SvgSerializer::path_object& p = paths.insert(key)->second;
+	drawing_metadata[key.first].pln_3d = pln;
 	p.first = id;
 	return p;
 }
@@ -563,7 +568,7 @@ void SvgSerializer::write(const geometry_data& data) {
 
 		auto& compound_to_use = is_floor_plan_ ? compound : compound_unmirrored;
 
-		if (use_hlr && hlr) {
+		if (use_hlr && (hlr_poly || hlr_brep)) {
 
 			// Check if any of the bounding box points is on the correct side of the plane
 			Bnd_Box bb;
@@ -590,13 +595,19 @@ void SvgSerializer::write(const geometry_data& data) {
 				} else {
 					state = d < 0. ? -1 : 1;
 				}
-				if (state == 1) {
+				if (state == -1) {
 					any = true;
 				}
 			}
 
 			if (any) {
-				hlr->Add(compound_to_use);
+				if (hlr_brep) {
+					hlr_brep->Add(compound_to_use);
+				}
+				if (hlr_poly) {
+					BRepMesh_IncrementalMesh(compound_to_use, 0.10);
+					hlr_poly->Load(compound_to_use);
+				}
 			}
 		}
 
@@ -633,6 +644,15 @@ void SvgSerializer::write(const geometry_data& data) {
 				cut_z = zmin + 1.;
 			}
 
+			gp_Pln pln;
+			if (variant.which() < 2) {
+				pln = gp_Pln(gp_Pnt(0, 0, cut_z), gp::DZ());
+			}
+			else {
+				const auto& section = boost::get<vertical_section>(variant);
+				pln = section.plane;
+			}
+
 			gp_Vec bbmin(x1, y1, zmin);
 			gp_Vec bbmax(x2, y2, zmax);
 			auto bbdif = bbmax - bbmin;
@@ -641,9 +661,9 @@ void SvgSerializer::write(const geometry_data& data) {
 			if (data.product->declaration().is("IfcAnnotation") && (proj.Magnitude() > 1.e-5) && zmin >= range.first && zmin <= range.second) {
 				if (po == nullptr) {
 					if (storey) {
-						po = &start_path(storey, data.svg_name);
+						po = &start_path(pln, storey, data.svg_name);
 					} else {
-						po = &start_path(drawing_name, data.svg_name);
+						po = &start_path(pln, drawing_name, data.svg_name);
 					}
 				}
 
@@ -717,20 +737,12 @@ void SvgSerializer::write(const geometry_data& data) {
 
 			if (po == nullptr) {
 				if (storey) {
-					po = &start_path(storey, data.svg_name);
+					po = &start_path(pln, storey, data.svg_name);
 				} else {
-					po = &start_path(drawing_name, data.svg_name);
+					po = &start_path(pln, drawing_name, data.svg_name);
 				}
 			}
 
-			// Create a horizontal cross section 1 meter above the bottom point of the shape		
-			gp_Pln pln;
-			if (variant.which() < 2) {
-				pln = gp_Pln(gp_Pnt(0, 0, cut_z), gp::DZ());
-			} else {
-				const auto& section = boost::get<vertical_section>(variant);
-				pln = section.plane;
-			}
 			TopoDS_Shape result = BRepAlgoAPI_Section(subshape, pln);
 
 			if (variant.which() == 2) {
@@ -889,7 +901,10 @@ void SvgSerializer::setBoundingRectangle(double width, double height) {
 	this->rescale = true;
 }
 
-void SvgSerializer::resize() {
+std::array<std::array<double, 3>, 3> SvgSerializer::resize() {
+	// identity matrix;
+	std::array<std::array<double, 3>, 3> m = {{ {{1,0,0}},{{0,1,0}},{{0,0,1}} }};
+
 	if (rescale) {
 		// Scale the resulting image to a bounding rectangle specified by command line arguments
 		const double dx = xmax - xmin;
@@ -918,6 +933,8 @@ void SvgSerializer::resize() {
 			cy = ymin * sc;
 		}
 
+		m = {{ {{sc,0,-cx}},{{0,sc,-cy}},{{0,0,1}} }};
+
 		float_item_list::const_iterator it;
 		for (it = xcoords.begin() + xcoords_begin; it != xcoords.end(); ++it, ++xcoords_begin) {
 			double& v = (*it)->value();
@@ -931,6 +948,8 @@ void SvgSerializer::resize() {
 			(*it)->value() *= sc;
 		}
 	}
+
+	return m;
 }
 
 void SvgSerializer::resetScale() {
@@ -944,7 +963,12 @@ void SvgSerializer::resetScale() {
 }
 
 void SvgSerializer::finalize() {
-	resize();
+	auto m = resize();
+
+	// Update the paper space scale matrices
+	for (auto& p : paths) {
+		drawing_metadata[p.first].matrix_3 = m;
+	}
 
 	if (!deferred_section_data_.is_initialized() && (auto_section_ || auto_elevation_)) {
 		deferred_section_data_.emplace();
@@ -972,28 +996,28 @@ void SvgSerializer::finalize() {
 	if (auto_elevation_) {
 		{
 			gp_Pln pln(gp_Ax3(
-				gp_Pnt((xmin + xmax) / 2., -(ymin - 1.e-1), 0.),
+				gp_Pnt(0., -(ymin - 10.), 0.),
-				gp_Dir(0, -1, 0),
+				gp_Dir(0, 1, 0),
-				gp_Dir(-1, 0, 0)));
+				gp_Dir(1, 0, 0)));
 			deferred_section_data_->push_back(vertical_section{ pln , "Elevation South", true });
 		}
 		{
 			gp_Pln pln(gp_Ax3(
-				gp_Pnt(xmax + 1.e-1, (ymin + ymax) / -2., 0.),
+				gp_Pnt(xmax + 10., 0., 0.),
-				gp_Dir(-1, 0, 0),
+				gp_Dir(1, 0, 0),
-				gp_Dir(0, -1, 0)));
+				gp_Dir(0, 1, 0)));
 			deferred_section_data_->push_back(vertical_section{ pln , "Elevation East", true });
 		}
 		{
 			gp_Pln pln(gp_Ax3(
-				gp_Pnt((xmin + xmax) / 2., -(ymax + 1.e-1), 0.),
+				gp_Pnt(0., -(ymax + 10.), 0.),
 				gp_Dir(0, -1, 0),
-				gp_Dir(1, 0, 0)));
+				gp_Dir(-1, 0, 0)));
 			deferred_section_data_->push_back(vertical_section{ pln , "Elevation North", true });
 		}
 		{
 			gp_Pln pln(gp_Ax3(
-				gp_Pnt(xmin - 1.e-1, (ymin + ymax) / -2., 0.),
+				gp_Pnt(xmin - 10., 0., 0.),
 				gp_Dir(-1, 0, 0),
 				gp_Dir(0, -1, 0)));
 			deferred_section_data_->push_back(vertical_section{ pln , "Elevation West", true });
@@ -1002,7 +1026,6 @@ void SvgSerializer::finalize() {
 
 	resetScale();
 	
-	
 	if (deferred_section_data_ && deferred_section_data_->size() && element_buffer_.size()) {
 
 		// Draw door arcs only on floor plans.
@@ -1018,7 +1041,11 @@ void SvgSerializer::finalize() {
 			}
 
 			if (use_hlr) {
-				hlr = new HLRBRep_Algo;
+				if (use_hlr_poly_) {
+					hlr_poly = new HLRBRep_PolyAlgo;
+				} else {
+					hlr_brep = new HLRBRep_Algo;
+				}
 			}
 
 			section_data_ = std::vector<section_data>{ sd };
@@ -1028,18 +1055,30 @@ void SvgSerializer::finalize() {
 
 			if (use_hlr) {
 				const auto& section = boost::get<vertical_section>(sd);
-				gp_Ax2 transform = section.plane.Position().Ax2();
-				HLRAlgo_Projector projector(transform);
-				hlr->Projector(projector);
 
-				hlr->Update();
+				gp_Trsf trsf;
-				hlr->Hide();
+				trsf.SetTransformation(section.plane.Position());
+				HLRAlgo_Projector projector(trsf, false, 1.);
 			
-				HLRBRep_HLRToShape hlr_shapes(hlr);
+				TopoDS_Shape hlr_compound_unmirrored;
-				auto hlr_compound_unmirrored = hlr_shapes.VCompound();
+				
+				if (use_hlr_poly_) {
+					hlr_poly->Projector(projector);
+
+					hlr_poly->Update();
+					HLRBRep_PolyHLRToShape hlr_shapes;
+					hlr_shapes.Update(hlr_poly);
+					hlr_compound_unmirrored = hlr_shapes.VCompound();
+				} else {
+					hlr_brep->Projector(projector);
+
+					hlr_brep->Update();
+					hlr_brep->Hide();
+					HLRBRep_HLRToShape hlr_shapes(hlr_brep);
+					hlr_compound_unmirrored = hlr_shapes.VCompound();
+				}
 
 				if (!hlr_compound_unmirrored.IsNull()) {
-
 					// Compound 3D curves for mirroring to work
 					ShapeFix_Edge sfe;
 					TopExp_Explorer exp(hlr_compound_unmirrored, TopAbs_EDGE);
@@ -1059,7 +1098,7 @@ void SvgSerializer::finalize() {
 
 					exp.Init(hlr_compound, TopAbs_EDGE);
 					BRep_Builder B;
-					auto& po = start_path(drawing_name, "class=\"projection\"");
+					auto& po = start_path(section.plane, drawing_name, "class=\"projection\"");
 					for (; exp.More(); exp.Next()) {
 						TopoDS_Wire w;
 						B.MakeWire(w);
@@ -1070,12 +1109,15 @@ void SvgSerializer::finalize() {
 				}
 			}
 
-			resize();
+			auto m3 = resize();
+
+			auto k = std::make_pair(nullptr, drawing_name);
+			drawing_metadata[k].matrix_3 = m3;
+
 			resetScale();
 
-			if (use_hlr) {
+			if (hlr_brep) hlr_brep.Nullify();
-				hlr.Nullify();
+			if (hlr_poly) hlr_poly.Nullify();
-			}
 		}
 	}
 
@@ -1089,11 +1131,11 @@ void SvgSerializer::finalize() {
 			}
 			std::ostringstream oss;
 			if (it->first.first) {
-				svg_file << "    <g " << nameElement(it->first.first) << ">\n";
+				svg_file << "    <g " << nameElement(it->first.first) << " " << writeMetadata(drawing_metadata[it->first]) << ">\n";
 			} else {
 				auto n = it->first.second;
 				IfcUtil::escape_xml(n);
-				svg_file << "    <g " << namespace_prefix_  << "name=\"" << n << "\" class=\"section\">\n";
+				svg_file << "    <g " << namespace_prefix_  << "name=\"" << n << "\" class=\"section\" " << writeMetadata(drawing_metadata[it->first]) << ">\n";
 			}
 		}
 		svg_file << "        <g " << it->second.first << ">\n";
@@ -1285,3 +1327,33 @@ void SvgSerializer::setSectionHeightsFromStoreys(double offset) {
 		section_data_->push_back(horizontal_plan_at_element{});
 	}
 }
+
+namespace {
+	std::string array_to_string(double v) {
+		return std::to_string(v);
+	}
+
+	template <typename T>
+	std::string array_to_string(const T& v) {
+		return "[" + std::accumulate(
+			v.begin() + 1, v.end(), 
+			array_to_string(v.front()),
+			[](const std::string& accum, decltype(*v.cbegin())& item) {
+				return accum + "," + array_to_string(item);
+		}) + "]";
+	}
+}
+
+std::string SvgSerializer::writeMetadata(const drawing_meta& m) {
+	gp_Trsf trsf;
+	trsf.SetTransformation(m.pln_3d.Position(), gp::XOY());
+	auto m43 = IfcGeom::Matrix<real_t>(IfcGeom::ElementSettings(IfcGeom::IteratorSettings(), 1., ""), trsf).data();
+	std::array<std::array<double, 4>, 4> m4 = {{
+		{{ (double)m43[0], (double)m43[3], (double)m43[6], (double)m43[9] }},
+		{{ (double)m43[1], (double)m43[4], (double)m43[7], (double)m43[10] }},
+		{{ (double)m43[2], (double)m43[5], (double)m43[8], (double)m43[11] }},
+		{{ 0, 0, 0, 1 }}
+	}};
+	return namespace_prefix_ + "plane=\""+ array_to_string(m4) +"\" " +
+		namespace_prefix_ + "matrix3=\"" + array_to_string(m.matrix_3) + "\"";
+}

src/serializers/SvgSerializer.h

@@ -29,6 +29,8 @@
 
 #include <HLRBRep_Algo.hxx>
 #include <HLRBRep_HLRToShape.hxx>
+#include <HLRBRep_PolyAlgo.hxx>
+#include <HLRAlgo_Projector.hxx>
 #include <gp_Pln.hxx>
 
 #include <sstream>
@@ -107,6 +109,11 @@ struct geometry_data {
 	std::string ifc_name, svg_name;
 };
 
+struct drawing_meta {
+	gp_Pln pln_3d;
+	std::array<std::array<double, 3>, 3> matrix_3;
+};
+
 class SvgSerializer : public GeometrySerializer {
 public:
 	typedef std::pair<std::string, std::vector<util::string_buffer> > path_object;
@@ -121,11 +128,12 @@ protected:
 	bool with_section_heights_from_storey_, rescale, print_space_names_, print_space_areas_;
 	bool draw_door_arcs_, is_floor_plan_;
 	bool auto_section_, auto_elevation_;
-	bool use_namespace_;
+	bool use_namespace_, use_hlr_poly_;
 
 	IfcParse::IfcFile* file;
 	IfcUtil::IfcBaseEntity* storey_;
 	std::multimap<drawing_key, path_object, storey_sorter> paths;
+	std::map<drawing_key, drawing_meta> drawing_metadata;
 
 	float_item_list xcoords, ycoords, radii;
 	size_t xcoords_begin, ycoords_begin, radii_begin;
@@ -134,7 +142,8 @@ protected:
 	
 	std::list<geometry_data> element_buffer_;
 
-	Handle(HLRBRep_Algo) hlr;
+	Handle(HLRBRep_Algo) hlr_brep;
+	Handle(HLRBRep_PolyAlgo) hlr_poly;
 
 	std::string namespace_prefix_;
 public:
@@ -154,6 +163,7 @@ public:
 		, auto_section_(false)
 		, auto_elevation_(false)
 		, use_namespace_(false)
+		, use_hlr_poly_(false)
 		, file(0)
 		, storey_(0)
 		, xcoords_begin(0)
@@ -171,8 +181,8 @@ public:
     void write(const IfcGeom::BRepElement<real_t>* o);
     void write(path_object& p, const TopoDS_Wire& wire);
 	void write(const geometry_data& data);
-    path_object& start_path(IfcUtil::IfcBaseEntity* storey, const std::string& id);
+    path_object& start_path(const gp_Pln& p, IfcUtil::IfcBaseEntity* storey, const std::string& id);
-	path_object& start_path(const std::string& drawing_name, const std::string& id);
+	path_object& start_path(const gp_Pln& p, const std::string& drawing_name, const std::string& id);
 	bool isTesselated() const { return false; }
     void finalize();
     void setUnitNameAndMagnitude(const std::string& /*name*/, float /*magnitude*/) {}
@@ -184,7 +194,7 @@ public:
 	void setPrintSpaceAreas(bool b) { print_space_areas_ = b; }
 	void setDrawDoorArcs(bool b) { draw_door_arcs_ = b; }
 
-	void resize();
+	std::array<std::array<double, 3>, 3> resize();
 	void resetScale();
 
 	void setSectionRef(const boost::optional<std::string>& s) { 
@@ -207,6 +217,10 @@ public:
 		namespace_prefix_ = use_namespace_ ? "ifc:" : "data-";
 	}
 
+	void setUseHlrPoly(bool b) {
+		use_hlr_poly_ = b;
+	}
+
 	void setScale(double s) { scale_ = s; }
 	void setDrawingCenter(double x, double y) {
 		center_x_ = x; center_y_ = y;
@@ -221,6 +235,9 @@ public:
 			return GeometrySerializer::object_id(o);
 		}
 	}
+
+protected:
+	std::string writeMetadata(const drawing_meta& m);
 };
 
 #endif