New debug panel to create shapes from STEP IDs. See #977.

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -199,6 +199,7 @@ if bpy is not None:
         operator.AddDrawingStyleAttribute,
         operator.RemoveDrawingStyleAttribute,
         operator.CopyPropertyToSelection,
+        operator.CreateShapeFromStepId,
         prop.StrProperty,
         prop.Variable,
         prop.Role,
@@ -227,6 +228,7 @@ if bpy is not None:
         prop.BcfTopicRelatedTopic,
         prop.Subcontext,
         prop.BIMProperties,
+        prop.BIMDebugProperties,
         prop.BCFProperties,
         prop.DocProperties,
         prop.BIMLibrary,
@@ -267,6 +269,7 @@ if bpy is not None:
         ui.BIM_PT_cobie,
         ui.BIM_PT_patch,
         ui.BIM_PT_mvd,
+        ui.BIM_PT_debug,
         ui.BIM_PT_material,
         ui.BIM_PT_mesh,
         ui.BIM_PT_object,
@@ -329,6 +332,7 @@ if bpy is not None:
         bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
         bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
         bpy.types.Scene.BIMProperties = bpy.props.PointerProperty(type=prop.BIMProperties)
+        bpy.types.Scene.BIMDebugProperties = bpy.props.PointerProperty(type=prop.BIMDebugProperties)
         bpy.types.Scene.BCFProperties = bpy.props.PointerProperty(type=prop.BCFProperties)
         bpy.types.Scene.DocProperties = bpy.props.PointerProperty(type=prop.DocProperties)
         bpy.types.Scene.BIMLibrary = bpy.props.PointerProperty(type=prop.BIMLibrary)
@@ -358,6 +362,7 @@ if bpy is not None:
         bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
         bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
         del(bpy.types.Scene.BIMProperties)
+        del(bpy.types.Scene.BIMDebugProperties)
         del(bpy.types.Scene.BCFProperties)
         del(bpy.types.Scene.DocProperties)
         del(bpy.types.Scene.MapConversion)

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -3940,3 +3940,23 @@ class RemoveDrawingStyleAttribute(bpy.types.Operator):
         props = bpy.context.scene.camera.data.BIMCameraProperties
         context.scene.DocProperties.drawing_styles[props.active_drawing_style_index].attributes.remove(self.index)
         return {'FINISHED'}
+
+
+class CreateShapeFromStepId(bpy.types.Operator):
+    bl_idname = 'bim.create_shape_from_step_id'
+    bl_label = 'Create Shape From STEP ID'
+
+    def execute(self, context):
+        logger = logging.getLogger('ImportIFC')
+        self.ifc_import_settings = import_ifc.IfcImportSettings.factory(bpy.context, ifc.IfcStore.path, logger)
+        self.file = ifc.IfcStore.get_file()
+        element = self.file.by_id(int(bpy.context.scene.BIMDebugProperties.step_id))
+        settings = ifcopenshell.geom.settings()
+        #settings.set(settings.INCLUDE_CURVES, True)
+        shape = ifcopenshell.geom.create_shape(settings, element)
+        ifc_importer = import_ifc.IfcImporter(self.ifc_import_settings)
+        ifc_importer.file = self.file
+        mesh = ifc_importer.create_mesh(element, shape)
+        obj = bpy.data.objects.new('Debug', mesh)
+        bpy.context.scene.collection.objects.link(obj)
+        return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -1351,6 +1351,10 @@ class BIMObjectProperties(PropertyGroup):
     representation_contexts: CollectionProperty(name="Representation Contexts", type=Subcontext)
 
 
+class BIMDebugProperties(PropertyGroup):
+    step_id: IntProperty(name="STEP ID")
+
+
 class BIMMaterialProperties(PropertyGroup):
     is_external: BoolProperty(name="Has External Definition")
     location: StringProperty(name="Location")

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -2006,6 +2006,27 @@ class BIM_PT_misc_utilities(Panel):
         row.operator("bim.set_viewport_shadow_from_sun")
 
 
+class BIM_PT_debug(Panel):
+    bl_label = "IFC Debug"
+    bl_idname = "BIM_PT_debug"
+    bl_options = {'DEFAULT_CLOSED'}
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = "scene"
+
+    def draw(self, context):
+        layout = self.layout
+
+        scene = context.scene
+        bim_props = scene.BIMProperties
+        debug_props = scene.BIMDebugProperties
+
+        row = layout.row()
+        row.prop(debug_props, 'step_id', text='')
+        row = layout.row()
+        row.operator('bim.create_shape_from_step_id')
+
+
 def ifc_units(self, context):
     scene = context.scene
     props = context.scene.BIMProperties