New dumb column tool. Creates a parametric solid column from profile sets.

src/ifcopenshell-python/ifcopenshell/api/geometry/add_representation.py

@@ -30,7 +30,9 @@ class Usecase:
             #  IfcExtrudedAreaSolid/IfcCircleProfileDef
             #  IfcExtrudedAreaSolid/IfcArbitraryClosedProfileDef
             #  IfcExtrudedAreaSolid/IfcArbitraryProfileDefWithVoids
+            #  IfcExtrudedAreaSolid/IfcMaterialProfileSet
             "ifc_representation_class": None,  # Whether to cast a mesh into a particular class
+            "profile_set": None,  # The material profile set if the extrusion requires it
         }
         self.ifc_vertices = []
         for key, value in settings.items():
@@ -217,6 +219,8 @@ class Usecase:
             return self.create_arbitrary_extrusion_representation()
         elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcArbitraryProfileDefWithVoids":
             return self.create_arbitrary_void_extrusion_representation()
+        elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcMaterialProfileSet":
+            return self.create_material_profile_set_extrusion_representation()
         return self.create_mesh_representation()
 
     def create_camera_block_representation(self):
@@ -404,6 +408,31 @@ class Usecase:
             [item],
         )
 
+    def create_material_profile_set_extrusion_representation(self):
+        profile_def = (
+            self.settings["profile_set"].CompositeProfile
+            or self.settings["profile_set"].MaterialProfiles[0].Profile
+        )
+        position = None
+        if self.file.schema == "IFC2X3":
+            position = self.file.createIfcAxis2Placement3D(
+                self.file.createIfcCartesianPoint((0.0, 0.0, 0.0)),
+                self.file.createIfcDirection((0.0, 0.0, 1.0)),
+                self.file.createIfcDirection((1.0, 0.0, 0.0)),
+            )
+        item = self.file.createIfcExtrudedAreaSolid(
+            profile_def,
+            position,
+            self.file.createIfcDirection((0.0, 0.0, 1.0)),
+            self.convert_si_to_unit(self.settings["blender_object"].dimensions[2]),
+        )
+        return self.file.createIfcShapeRepresentation(
+            self.settings["context"],
+            self.settings["context"].ContextIdentifier,
+            "SweptSolid",
+            [item],
+        )
+
     def create_mesh_representation(self):
         if self.file.schema == "IFC2X3" or self.settings["should_force_faceted_brep"]:
             return self.create_faceted_brep()

src/ifcopenshell-python/ifcopenshell/api/material/assign_material.py

@@ -38,7 +38,15 @@ class Usecase:
             material_set = self.file.create_entity(self.settings["type"])
             self.create_material_association(material_set)
         elif self.settings["type"] == "IfcMaterialProfileSetUsage":
-            material_set = self.file.create_entity("IfcMaterialProfileSet")
+            element_type = ifcopenshell.util.element.get_type(self.settings["product"])
+            if element_type:
+                element_type_material = ifcopenshell.util.element.get_material(element_type)
+                if element_type_material and element_type_material.is_a("IfcMaterialProfileSet"):
+                    material_set = element_type_material
+                else:
+                    material_set = self.file.create_entity("IfcMaterialProfileSet")
+            else:
+                material_set = self.file.create_entity("IfcMaterialProfileSet")
             material_set_usage = self.create_profile_set_usage(material_set)
             self.create_material_association(material_set_usage)
         elif self.settings["type"] == "IfcMaterialList":