Allow user option to export without representations

src/ifcblenderexport/io_export_ifc/__init__.py

@@ -21,6 +21,7 @@ classes = (
     operator.ExportIFC,
     ui.BIMProperties,
     ui.BIMPanel,
+    ui.MVDPanel,
     )
 
 def menu_func(self, context):

src/ifcblenderexport/io_export_ifc/export.py

@@ -1342,6 +1342,8 @@ class IfcExporter():
                 self.ifc_parser.psets[relating_property_key]['ifc'])
 
     def relate_objects_to_materials(self):
+        if not self.ifc_export_settings.has_representations:
+            return
         for relating_material_key, related_objects in self.ifc_parser.rel_associates_material.items():
             self.file.createIfcRelAssociatesMaterial(
                 ifcopenshell.guid.new(), self.owner_history, None, None,
@@ -1349,6 +1351,8 @@ class IfcExporter():
                 self.ifc_parser.materials[relating_material_key]['ifc'])
 
     def relate_objects_to_material_layer_sets(self):
+        if not self.ifc_export_settings.has_representations:
+            return
         for product_index, related_materials in self.ifc_parser.rel_associates_material_layer_set.items():
             material_layer_set = self.file.create_entity('IfcMaterialLayerSet', **{
                 'MaterialLayers': [self.ifc_parser.materials[m]['layer_ifc'] for m in related_materials]
@@ -1359,6 +1363,8 @@ class IfcExporter():
                 material_layer_set)
 
     def relate_objects_to_material_constituent_sets(self):
+        if not self.ifc_export_settings.has_representations:
+            return
         for product_index, related_materials in self.ifc_parser.rel_associates_material_constituent_set.items():
             material_constituent_set = self.file.create_entity('IfcMaterialConstituentSet', **{
                 'MaterialConstituents': [self.ifc_parser.materials[m]['constituent_ifc'] for m in related_materials]

src/ifcblenderexport/io_export_ifc/operator.py

@@ -27,6 +27,7 @@ class ExportIFC(bpy.types.Operator):
         ifc_export_settings.data_dir = bpy.context.scene.BIMProperties.data_dir
         ifc_export_settings.schema_dir = bpy.context.scene.BIMProperties.schema_dir
         ifc_export_settings.output_file = bpy.path.ensure_ext(self.filepath, '.ifc')
+        ifc_export_settings.has_representations = bpy.context.scene.BIMProperties.export_has_representations
         ifc_parser = export.IfcParser(ifc_export_settings)
         ifc_schema = export.IfcSchema(ifc_export_settings)
         qto_calculator = export.QtoCalculator()

src/ifcblenderexport/io_export_ifc/ui.py

@@ -32,10 +32,11 @@ class BIMProperties(bpy.types.PropertyGroup):
         items = getIfcPredefinedTypes,
         name="Predefined Type", default=None)
     ifc_userdefined_type: bpy.props.StringProperty(name="Userdefined Type")
+    export_has_representations: bpy.props.BoolProperty(name="Export Representations", default=True)
 
 class BIMPanel(bpy.types.Panel):
     bl_label = "Building Information Modeling"
-    bl_idname = "SCENE_PT_layout"
+    bl_idname = "bim.panel"
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_context = "scene"
@@ -68,3 +69,21 @@ class BIMPanel(bpy.types.Panel):
         row.prop(bim_properties, "ifc_userdefined_type")
         row = layout.row()
         row.operator("bim.assign_class")
+
+class MVDPanel(bpy.types.Panel):
+    bl_label = "Model View Definitions"
+    bl_idname = "mvd.panel"
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = "scene"
+
+    def draw(self, context):
+        layout = self.layout
+
+        scene = context.scene
+        bim_properties = bpy.context.scene.BIMProperties
+
+        layout.label(text="Custom MVD:")
+
+        row = layout.row()
+        row.prop(bim_properties, "export_has_representations")