Readd support for creating structural curves representations (vertex still WIP)

src/ifcblenderexport/blenderbim/bim/import_ifc.py

@@ -351,6 +351,8 @@ class IfcImporter:
         self.profile_code("Create type products")
         self.create_annotation()
         self.profile_code("Create annotation")
+        self.create_structural_elements()
+        self.profile_code("Create structural elements")
         self.place_objects_in_spatial_tree()
         self.profile_code("Placing objects in spatial tree")
         if self.ifc_import_settings.should_merge_by_class:
@@ -731,6 +733,9 @@ class IfcImporter:
                 break
         print("Done creating geometry")
 
+    def create_structural_elements(self):
+        for element in self.file.by_type("IfcStructuralCurveMember"):
+            pass # TODO
 
     def create_product(self, element, shape=None):
         if element is None:

src/ifcblenderexport/blenderbim/bim/module/geometry/add_representation.py

@@ -405,3 +405,30 @@ class Usecase:
             "BoundingBox",
             [bounding_box],
         )
+
+    def create_structural_reference_representation(self):
+        if self.settings["blender_object"].type == "EMPTY":
+            return self.file.createIfcTopologyRepresentation(
+                self.settings["context"],
+                self.settings["context"].ContextIdentifier,
+                "Vertex",
+                [self.create_vertex_point(Vector((0, 0, 0)))],
+            )
+        return self.file.createIfcTopologyRepresentation(
+            self.settings["context"],
+            self.settings["context"].ContextIdentifier,
+            "Edge",
+            [self.create_edge()],
+        )
+
+    def create_vertex_point(self, point):
+        return self.file.createIfcVertexPoint(self.create_cartesian_point(point.x, point.y, point.z))
+
+    def create_edge(self):
+        if hasattr(self.settings["geometry"], "splines"):
+            points = self.get_spline_points(self.settings["geometry"].splines[0])
+        else:
+            points = self.settings["geometry"].vertices
+        if not points:
+            return
+        return self.file.createIfcEdge(self.create_vertex_point(points[0].co), self.create_vertex_point(points[1].co))

src/ifcblenderexport/blenderbim/bim/module/geometry/operator.py

@@ -85,12 +85,12 @@ class AddRepresentation(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()
-        context_id = self.context_id or int(bpy.context.scene.BIMProperties.contexts)
 
         bpy.ops.bim.edit_object_placement(obj=obj.name)
 
         if obj.data:
             product = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
+            context_id = self.context_id or int(bpy.context.scene.BIMProperties.contexts)
             context_of_items = self.file.by_id(context_id)
 
             gprop = context.scene.BIMGeoreferenceProperties

src/ifcblenderexport/blenderbim/bim/module/root/operator.py

@@ -114,8 +114,7 @@ class AssignClass(bpy.types.Operator):
         obj.name = "{}/{}".format(product.is_a(), obj.name)
         IfcStore.link_element(product, obj)
 
-        if obj.data:
-            bpy.ops.bim.add_representation(obj=obj.name, context_id=self.context_id)
+        bpy.ops.bim.add_representation(obj=obj.name, context_id=self.context_id)
 
         if product.is_a("IfcElementType"):
             self.place_in_types_collection(obj)

src/ifcblenderexport/blenderbim/bim/module/root/ui.py

@@ -63,6 +63,5 @@ class BIM_PT_class(Panel):
         if props.ifc_predefined_type == "USERDEFINED":
             row = self.layout.row()
             row.prop(props, "ifc_userdefined_type")
-        if bpy.context.active_object.data:
-            row = self.layout.row()
-            row.prop(bpy.context.scene.BIMProperties, "contexts")
+        row = self.layout.row()
+        row.prop(bpy.context.scene.BIMProperties, "contexts")