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Linking models now acommodates files with different project or map units combinations correctly

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This commit is contained in:
Dion Moult
2024-07-12 23:58:18 +10:00
parent 589b9d4a79
commit b4482780cf
7 changed files with 285 additions and 7 deletions
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src/blenderbim/blenderbim/bim/module/georeference/prop.py
+5
View File
@@ -117,16 +117,21 @@ class BIMGeoreferenceProperties(PropertyGroup):
# These are only for reference to capture data about a host model from a linked model
# If you relink a model from a new host origin, we can autodetect it in theory with this
host_model_origin: StringProperty(name="Host Model Origin")
host_model_origin_si: StringProperty(name="Host Model Origin SI")
host_model_project_north: StringProperty(name="Host Model Angle to Grid North")
# These are only for reference, calculated using tool.Loader.calculate_model_origin
# TODO perform calculate_model_origin at load time, not as an explicit step.
model_origin: StringProperty(name="Model Origin")
model_origin_si: StringProperty(name="Model Origin SI")
model_project_north: StringProperty(name="Model Angle to Grid North")
# True if there is a temporary Blender session coordinate system
has_blender_offset: BoolProperty(name="Has Blender Offset")
# These E, N, H, and project north are the absolute map coordinates of the Blender session
# If has_blender_offset is True, this is equivalent to model_origin and model_project_north.
# TODO consolidate this with model_origin and model_project_north.
blender_eastings: StringProperty(name="Blender Eastings", default="0")
blender_northings: StringProperty(name="Blender Northings", default="0")
blender_orthogonal_height: StringProperty(name="Blender Orthogonal Height", default="0")
src/blenderbim/blenderbim/bim/module/project/operator.py
+9 -3
View File
@@ -1053,6 +1053,7 @@ class LoadLink(bpy.types.Operator):
pprops = bpy.context.scene.BIMProjectProperties
gprops = bpy.context.scene.BIMGeoreferenceProperties
tool.Loader.calculate_model_origin(tool.Ifc.get())
code = f"""
import bpy
@@ -1060,6 +1061,7 @@ def run():
gprops = bpy.context.scene.BIMGeoreferenceProperties
# Our model origin becomes their host model origin
gprops.host_model_origin = "{gprops.model_origin}"
gprops.host_model_origin_si = "{gprops.model_origin_si}"
gprops.host_model_project_north = "{gprops.model_project_north}"
gprops.has_blender_offset = {gprops.has_blender_offset}
gprops.blender_eastings = "{gprops.blender_eastings}"
@@ -1112,7 +1114,7 @@ except Exception as e:
data = json.load(f)
gprops = bpy.context.scene.BIMGeoreferenceProperties
for prop in ("model_origin", "model_project_north"):
for prop in ("model_origin", "model_origin_si", "model_project_north"):
if (value := data.get(prop, None)) is not None:
setattr(gprops, prop, value)
@@ -1396,8 +1398,10 @@ class LoadLinkedProject(bpy.types.Operator):
if tool.Loader.settings.false_origin_mode == "MANUAL" and tool.Loader.settings.false_origin:
tool.Loader.set_manual_blender_offset(self.file)
elif tool.Loader.settings.false_origin_mode == "AUTOMATIC":
if gprops.host_model_origin:
tool.Loader.settings.false_origin = list(map(float, gprops.host_model_origin.split(",")))
if gprops.host_model_origin_si:
tool.Loader.settings.false_origin = [
float(o) / self.unit_scale for o in gprops.host_model_origin_si.split(",")
]
tool.Loader.settings.project_north = float(gprops.host_model_project_north)
tool.Loader.set_manual_blender_offset(self.file)
else:
@@ -1407,8 +1411,10 @@ class LoadLinkedProject(bpy.types.Operator):
self.json_filepath = self.filepath + ".cache.json"
data = {
"host_model_origin": gprops.host_model_origin,
"host_model_origin_si": gprops.host_model_origin_si,
"host_model_project_north": gprops.host_model_project_north,
"model_origin": gprops.model_origin,
"model_origin_si": gprops.model_origin_si,
"model_project_north": gprops.model_project_north,
"has_blender_offset": gprops.has_blender_offset,
"blender_eastings": gprops.blender_eastings,
src/blenderbim/blenderbim/tool/loader.py
+11 -4
View File
@@ -610,11 +610,13 @@ class Loader(blenderbim.core.tool.Loader):
return
placement = ifcopenshell.util.placement.get_local_placement(element.ObjectPlacement)
offset_point = [placement[0][3], placement[1][3], placement[2][3]]
cls.settings.false_origin = ifcopenshell.util.geolocation.auto_xyz2enh(ifc_file, *offset_point)
cls.settings.false_origin = ifcopenshell.util.geolocation.auto_xyz2enh(
ifc_file, *offset_point, should_return_in_map_units=False
)
# Prioritise coordinate operation angles
angle = ifcopenshell.util.geolocation.get_grid_north(ifc_file)
if np.isclose(angle, 0.):
if np.isclose(angle, 0.0):
# Fallback to the placement angle as a good guess
xaa, xao = placement[:, 0][0:2]
angle = ifcopenshell.util.geolocation.xaxis2angle(xaa, xao)
@@ -680,7 +682,9 @@ class Loader(blenderbim.core.tool.Loader):
offset_point = cls.get_offset_point(ifc_file)
if offset_point is None:
return
cls.settings.false_origin = ifcopenshell.util.geolocation.auto_xyz2enh(ifc_file, *offset_point)
cls.settings.false_origin = ifcopenshell.util.geolocation.auto_xyz2enh(
ifc_file, *offset_point, should_return_in_map_units=False
)
if angle := ifcopenshell.util.geolocation.get_grid_north(ifc_file):
cls.settings.project_north = angle
cls.set_manual_blender_offset(ifc_file)
@@ -747,7 +751,10 @@ class Loader(blenderbim.core.tool.Loader):
gprops.model_origin = (
f"{gprops.blender_eastings},{gprops.blender_northings},{gprops.blender_orthogonal_height}"
)
gprops.model_origin_si = f"{float(gprops.blender_eastings) * cls.unit_scale},{float(gprops.blender_northings) * cls.unit_scale},{float(gprops.blender_orthogonal_height) * cls.unit_scale}"
gprops.model_project_north = gprops.blender_project_north
else:
gprops.model_origin = ",".join(map(str, ifcopenshell.util.geolocation.auto_xyz2enh(ifc_file, 0, 0, 0)))
enh = ifcopenshell.util.geolocation.auto_xyz2enh(ifc_file, 0, 0, 0, should_return_in_map_units=False)
gprops.model_origin = ",".join(map(str, enh))
gprops.model_origin_si = ",".join([str(o * cls.unit_scale) for o in enh])
gprops.model_project_north = str(ifcopenshell.util.geolocation.get_grid_north(ifc_file))
src/blenderbim/test/bim/feature/project.feature
+15
View File
@@ -780,6 +780,21 @@ Scenario: Link IFC - automatic false origin mode - two different false origins a
And the object "Col:IfcProject/geolocation.ifc:Chunk" has a vertex at "-17.696,-7.866,0"
And the object "Col:IfcProject/geolocation.ifc:Chunk" has a vertex at "-13.268,0.464,0"
Scenario: Link IFC - automatic false origin mode - three identical false origins but different project and map units
Given an empty Blender session
# Not currently possible via UI
And I set "scene.BIMProjectProperties.distance_limit" to "5"
And I set "scene.BIMProjectProperties.false_origin_mode" to "AUTOMATIC"
When I press "bim.link_ifc(filepath='{cwd}/test/files/geolocation-unit1.ifc', use_cache=False)"
And I press "bim.link_ifc(filepath='{cwd}/test/files/geolocation-unit2.ifc', use_cache=False)"
And I press "bim.link_ifc(filepath='{cwd}/test/files/geolocation-unit3.ifc', use_cache=False)"
Then the object "Col:IfcProject/geolocation-unit1.ifc:Chunk" exists
And the object "Col:IfcProject/geolocation-unit2.ifc:Chunk" exists
And the object "Col:IfcProject/geolocation-unit3.ifc:Chunk" exists
And the object "Col:IfcProject/geolocation-unit1.ifc:Chunk" has a vertex at "7.294,-5.366,-1"
And the object "Col:IfcProject/geolocation-unit2.ifc:Chunk" has a vertex at "7.294,-5.366,-1"
And the object "Col:IfcProject/geolocation-unit3.ifc:Chunk" has a vertex at "7.294,-5.366,-1"
Scenario: Toggle link visibility - wireframe mode
Given an empty IFC project
And I press "bim.link_ifc(filepath='{cwd}/test/files/basic.ifc')"
src/blenderbim/test/files/geolocation-unit1.ifc
+82
View File
@@ -0,0 +1,82 @@
ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('ViewDefinition[DesignTransferView]'),'2;1');
FILE_NAME('r.ifc','2024-07-12T22:17:19+10:00',(),(),'IfcOpenShell 0.0.0','BlenderBIM 0.0.0-c79e490','Nobody');
FILE_SCHEMA(('IFC4'));
ENDSEC;
DATA;
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#2=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
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#24=IFCDIRECTION((1.,0.));
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#66=IFCACTUATOR('0Tzlo1K_XCzvVZWouybqQT',$,'Cube',$,$,#125,#84,$,.ELECTRICACTUATOR.);
#72=IFCINDEXEDPOLYGONALFACE((1,2,4,3));
#73=IFCINDEXEDPOLYGONALFACE((3,4,8,7));
#74=IFCINDEXEDPOLYGONALFACE((7,8,6,5));
#75=IFCINDEXEDPOLYGONALFACE((5,6,2,1));
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#78=IFCCARTESIANPOINTLIST3D(((-1.,-1.,-1.),(-1.,-1.,1.),(-1.,1.,-1.),(-1.,1.,1.),(1.,-1.,-1.),(1.,-1.,1.),(1.,1.,-1.),(1.,1.,1.)));
#79=IFCPOLYGONALFACESET(#78,.T.,(#72,#73,#74,#75,#76,#77),$);
#80=IFCSHAPEREPRESENTATION(#15,'Body','Tessellation',(#79));
#81=IFCCARTESIANPOINT((-1.,-1.,-1.));
#82=IFCBOUNDINGBOX(#81,2.,2.,2.);
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ENDSEC;
END-ISO-10303-21;
src/blenderbim/test/files/geolocation-unit2.ifc
+81
View File
@@ -0,0 +1,81 @@
ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('ViewDefinition[DesignTransferView]'),'2;1');
FILE_NAME('r2.ifc','2024-07-12T22:36:11+10:00',(),(),'IfcOpenShell 0.0.0','BlenderBIM 0.0.0-c79e490','Nobody');
FILE_SCHEMA(('IFC4'));
ENDSEC;
DATA;
#1=IFCPROJECT('1LzO1Igj5ANQ5AiOvjUjnG',$,'My Project',$,$,$,$,(#14,#26),#9);
#2=IFCSIUNIT(*,.LENGTHUNIT.,$,.METRE.);
#3=IFCSIUNIT(*,.AREAUNIT.,$,.SQUARE_METRE.);
#4=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
#5=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
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#7=IFCMEASUREWITHUNIT(IFCREAL(0.0174532925199433),#6);
#8=IFCCONVERSIONBASEDUNIT(#5,.PLANEANGLEUNIT.,'degree',#7);
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#17=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Box','Model',*,*,*,*,#14,$,.MODEL_VIEW.,$);
#18=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Annotation','Model',*,*,*,*,#14,$,.SECTION_VIEW.,$);
#19=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Annotation','Model',*,*,*,*,#14,$,.ELEVATION_VIEW.,$);
#20=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Annotation','Model',*,*,*,*,#14,$,.MODEL_VIEW.,$);
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#75=IFCINDEXEDPOLYGONALFACE((5,6,2,1));
#76=IFCINDEXEDPOLYGONALFACE((3,7,5,1));
#77=IFCINDEXEDPOLYGONALFACE((8,4,2,6));
#78=IFCCARTESIANPOINTLIST3D(((-1.,-1.,-1.),(-1.,-1.,1.),(-1.,1.,-1.),(-1.,1.,1.),(1.,-1.,-1.),(1.,-1.,1.),(1.,1.,-1.),(1.,1.,1.)));
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ENDSEC;
END-ISO-10303-21;
src/blenderbim/test/files/geolocation-unit3.ifc
+82
View File
@@ -0,0 +1,82 @@
ISO-10303-21;
HEADER;
FILE_DESCRIPTION(('ViewDefinition[DesignTransferView]'),'2;1');
FILE_NAME('r2.ifc','2024-07-12T22:36:11+10:00',(),(),'IfcOpenShell 0.0.0','BlenderBIM 0.0.0-c79e490','Nobody');
FILE_SCHEMA(('IFC4'));
ENDSEC;
DATA;
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#4=IFCSIUNIT(*,.VOLUMEUNIT.,$,.CUBIC_METRE.);
#5=IFCDIMENSIONALEXPONENTS(0,0,0,0,0,0,0);
#6=IFCSIUNIT(*,.PLANEANGLEUNIT.,$,.RADIAN.);
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#13=IFCAXIS2PLACEMENT3D(#10,#11,#12);
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#15=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Body','Model',*,*,*,*,#14,$,.MODEL_VIEW.,$);
#16=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Axis','Model',*,*,*,*,#14,$,.GRAPH_VIEW.,$);
#17=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Box','Model',*,*,*,*,#14,$,.MODEL_VIEW.,$);
#18=IFCGEOMETRICREPRESENTATIONSUBCONTEXT('Annotation','Model',*,*,*,*,#14,$,.SECTION_VIEW.,$);
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ENDSEC;
END-ISO-10303-21;