Support editing profile set usage attributes cardinal point and reference extent. Thanks Jesusbill!

src/blenderbim/blenderbim/bim/module/material/operator.py

@@ -2,6 +2,7 @@ import bpy
 import json
 import ifcopenshell.api
 import ifcopenshell.util.attribute
+import blenderbim.bim.helper
 from blenderbim.bim.module.material.prop import purge as material_prop_purge
 from blenderbim.bim.ifc import IfcStore
 from ifcopenshell.api.material.data import Data
@@ -26,7 +27,7 @@ class AssignParameterizedProfile(bpy.types.Operator):
         ifcopenshell.api.run(
             "material.assign_profile",
             self.file,
-            **{"material_profile": self.file.by_id(self.material_profile), "profile": profile}
+            **{"material_profile": self.file.by_id(self.material_profile), "profile": profile},
         )
         Data.load_profiles()
         ProfileData.load(self.file)
@@ -175,9 +176,7 @@ class RemoveProfile(bpy.types.Operator):
     def execute(self, context):
         obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
         self.file = IfcStore.get_file()
-        ifcopenshell.api.run(
-            "material.remove_profile", self.file, **{"profile": self.file.by_id(self.profile)}
-        )
+        ifcopenshell.api.run("material.remove_profile", self.file, **{"profile": self.file.by_id(self.profile)})
         Data.load_profiles()
         return {"FINISHED"}
 
@@ -313,20 +312,28 @@ class EnableEditingAssignedMaterial(bpy.types.Operator):
         elif product_data["type"] == "IfcMaterialLayerSet":
             material_set_data = Data.layer_sets[product_data["id"]]
         elif product_data["type"] == "IfcMaterialLayerSetUsage":
-            layer_set_usage = Data.layer_set_usages[product_data["id"]]
-            material_set_data = Data.layer_sets[layer_set_usage["ForLayerSet"]]
+            material_set_usage = Data.layer_set_usages[product_data["id"]]
+            material_set_data = Data.layer_sets[material_set_usage["ForLayerSet"]]
             material_set_class = "IfcMaterialLayerSet"
         elif product_data["type"] == "IfcMaterialProfileSet":
             material_set_data = Data.profile_sets[product_data["id"]]
         elif product_data["type"] == "IfcMaterialProfileSetUsage":
-            profile_set_usage = Data.profile_set_usages[product_data["id"]]
-            material_set_data = Data.profile_sets[profile_set_usage["ForProfileSet"]]
+            material_set_usage = Data.profile_set_usages[product_data["id"]]
+            material_set_data = Data.profile_sets[material_set_usage["ForProfileSet"]]
             material_set_class = "IfcMaterialProfileSet"
         elif product_data["type"] == "IfcMaterialList":
             material_set_data = Data.lists[product_data["id"]]
         else:
             material_set_data = {}
 
+        while len(props.material_set_usage_attributes) > 0:
+            props.material_set_usage_attributes.remove(0)
+
+        if "Usage" in product_data["type"]:
+            blenderbim.bim.helper.import_attributes(
+                product_data["type"], props.material_set_usage_attributes, material_set_usage, self.import_attributes
+            )
+
         while len(props.material_set_attributes) > 0:
             props.material_set_attributes.remove(0)
 
@@ -340,6 +347,36 @@ class EnableEditingAssignedMaterial(bpy.types.Operator):
                 new.string_value = "" if new.is_null else material_set_data[attribute.name()]
         return {"FINISHED"}
 
+    def import_attributes(self, name, prop, data):
+        if name == "CardinalPoint":
+            # TODO: complain to buildingSMART
+            cardinal_point_map = {
+                1: "bottom left",
+                2: "bottom centre",
+                3: "bottom right",
+                4: "mid-depth left",
+                5: "mid-depth centre",
+                6: "mid-depth right",
+                7: "top left",
+                8: "top centre",
+                9: "top right",
+                10: "geometric centroid",
+                11: "bottom in line with the geometric centroid",
+                12: "left in line with the geometric centroid",
+                13: "right in line with the geometric centroid",
+                14: "top in line with the geometric centroid",
+                15: "shear centre",
+                16: "bottom in line with the shear centre",
+                17: "left in line with the shear centre",
+                18: "right in line with the shear centre",
+                19: "top in line with the shear centre",
+            }
+            prop.data_type = "enum"
+            prop.enum_items = json.dumps(cardinal_point_map)
+            if data[name]:
+                prop.enum_value = str(data[name])
+            return True
+
 
 class DisableEditingAssignedMaterial(bpy.types.Operator):
     bl_idname = "bim.disable_editing_assigned_material"
@@ -358,6 +395,7 @@ class EditAssignedMaterial(bpy.types.Operator):
     bl_label = "Edit Assigned Material"
     obj: bpy.props.StringProperty()
     material_set: bpy.props.IntProperty()
+    material_set_usage: bpy.props.IntProperty()
 
     def execute(self, context):
         self.file = IfcStore.get_file()
@@ -379,12 +417,24 @@ class EditAssignedMaterial(bpy.types.Operator):
         ifcopenshell.api.run(
             "material.edit_assigned_material",
             self.file,
-            **{
-                "element": material_set,
-                "attributes": attributes,
-            },
+            **{"element": material_set, "attributes": attributes},
         )
         Data.load(IfcStore.get_file(), obj.BIMObjectProperties.ifc_definition_id)
+
+        if self.material_set_usage:
+            material_set_usage = self.file.by_id(self.material_set_usage)
+            attributes = blenderbim.bim.helper.export_attributes(props.material_set_usage_attributes)
+            attributes["CardinalPoint"] = int(attributes["CardinalPoint"]) if attributes["CardinalPoint"] else None
+            ifcopenshell.api.run(
+                "material.edit_assigned_material",
+                self.file,
+                **{"element": material_set_usage, "attributes": attributes},
+            )
+            if material_set_usage.is_a("IfcMaterialLayerSetUsage"):
+                Data.load_layer_usages()
+            elif material_set_usage.is_a("IfcMaterialProfileSetUsage"):
+                Data.load_profile_usages()
+
         if material_set.is_a("IfcMaterialConstituentSet"):
             Data.load_constituents()
         elif material_set.is_a("IfcMaterialLayerSet"):

src/blenderbim/blenderbim/bim/module/material/prop.py

@@ -83,6 +83,7 @@ class BIMObjectMaterialProperties(PropertyGroup):
     material_type: EnumProperty(items=getMaterialTypes, name="Material Type")
     material: EnumProperty(items=getMaterials, name="Material")
     is_editing: BoolProperty(name="Is Editing", default=False)
+    material_set_usage_attributes: CollectionProperty(name="Material Set Usage Attributes", type=Attribute)
     material_set_attributes: CollectionProperty(name="Material Set Attributes", type=Attribute)
     active_material_set_item_id: IntProperty(name="Active Material Set ID")
     material_set_item_attributes: CollectionProperty(name="Material Set Item Attributes", type=Attribute)

src/blenderbim/blenderbim/bim/module/material/ui.py

@@ -1,3 +1,4 @@
+import blenderbim.bim.helper
 from bpy.types import Panel
 from ifcopenshell.api.material.data import Data
 from ifcopenshell.api.profile.data import Data as ProfileData
@@ -109,6 +110,8 @@ class BIM_PT_object_material(Panel):
         if self.props.is_editing:
             op = row.operator("bim.edit_assigned_material", icon="CHECKMARK", text="")
             op.material_set = self.material_set_id
+            if "Usage" in self.product_data["type"]:
+                op.material_set_usage = self.product_data["id"]
             row.operator("bim.disable_editing_assigned_material", icon="CANCEL", text="")
         else:
             row.operator("bim.enable_editing_assigned_material", icon="GREASEPENCIL", text="")
@@ -140,6 +143,8 @@ class BIM_PT_object_material(Panel):
         self.draw_read_only_set_ui()
 
     def draw_editable_set_ui(self):
+        blenderbim.bim.helper.draw_attributes(self.props.material_set_usage_attributes, self.layout)
+
         for attribute in self.props.material_set_attributes:
             row = self.layout.row(align=True)
             row.prop(attribute, "string_value", text=attribute.name)
@@ -265,6 +270,38 @@ class BIM_PT_object_material(Panel):
             row.label(text="Description")
             row.label(text=str(self.material_set_data["Description"]))
 
+        if self.product_data["type"] == "IfcMaterialProfileSetUsage":
+            # TODO: complain to buildingSMART
+            cardinal_point_map = {
+                1: "bottom left",
+                2: "bottom centre",
+                3: "bottom right",
+                4: "mid-depth left",
+                5: "mid-depth centre",
+                6: "mid-depth right",
+                7: "top left",
+                8: "top centre",
+                9: "top right",
+                10: "geometric centroid",
+                11: "bottom in line with the geometric centroid",
+                12: "left in line with the geometric centroid",
+                13: "right in line with the geometric centroid",
+                14: "top in line with the geometric centroid",
+                15: "shear centre",
+                16: "bottom in line with the shear centre",
+                17: "left in line with the shear centre",
+                18: "right in line with the shear centre",
+                19: "top in line with the shear centre",
+            }
+            if self.material_set_usage["CardinalPoint"]:
+                row = self.layout.row(align=True)
+                row.label(text="CardinalPoint")
+                row.label(text=cardinal_point_map[self.material_set_usage["CardinalPoint"]])
+            if self.material_set_usage["ReferenceExtent"]:
+                row = self.layout.row(align=True)
+                row.label(text="ReferenceExtent")
+                row.label(text=str(self.material_set_usage["ReferenceExtent"]))
+
         total_thickness = 0
         for item_id in self.set_items:
             if self.product_data["type"] == "IfcMaterialList":

src/blenderbim/blenderbim/bim/prop.py

@@ -27,7 +27,11 @@ target_views_enum = []
 
 
 def getAttributeEnumValues(self, context):
-    return [(e, e, "") for e in json.loads(self.enum_items)]
+    # Support weird buildingSMART dictionary mappings which behave like enums
+    data = json.loads(self.enum_items)
+    if isinstance(data, dict):
+        return [(str(k), v, "") for k, v in data.items()]
+    return [(e, e, "") for e in data]
 
 
 def updateSchemaDir(self, context):