Fix #2626. New IFC overrides for setting object origins.

src/blenderbim/blenderbim/bim/module/geometry/__init__.py

@@ -26,17 +26,18 @@ classes = (
     operator.GetRepresentationIfcParameters,
     operator.OverrideDelete,
     operator.OverrideDuplicateMove,
+    operator.OverrideDuplicateMoveAggregate,
+    operator.OverrideDuplicateMoveAggregateMacro,
     operator.OverrideDuplicateMoveLinked,
     operator.OverrideDuplicateMoveLinkedMacro,
     operator.OverrideDuplicateMoveMacro,
-    operator.OverrideDuplicateMoveAggregate,
-    operator.OverrideDuplicateMoveAggregateMacro,
-    operator.RefreshAggregate,
     operator.OverrideJoin,
     operator.OverrideModeSetEdit,
     operator.OverrideModeSetObject,
+    operator.OverrideOriginSet,
     operator.OverrideOutlinerDelete,
     operator.OverridePasteBuffer,
+    operator.RefreshAggregate,
     operator.RemoveConnection,
     operator.RemoveRepresentation,
     operator.SelectConnection,
@@ -50,6 +51,7 @@ classes = (
     ui.BIM_PT_connections,
     ui.BIM_PT_mesh,
     ui.BIM_PT_workarounds,
+    ui.BIM_MT_object_set_origin,
 )
 
 

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

@@ -57,6 +57,31 @@ class EditObjectPlacement(bpy.types.Operator, Operator):
             core.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
 
 
+class OverrideOriginSet(bpy.types.Operator, Operator):
+    bl_idname = "bim.override_origin_set"
+    bl_label = "IFC Origin Set"
+    bl_options = {"REGISTER", "UNDO"}
+    obj: bpy.props.StringProperty()
+    origin_type: bpy.props.StringProperty()
+
+    def _execute(self, context):
+        objs = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
+        for obj in objs:
+            element = tool.Ifc.get_entity(obj)
+            if not element:
+                continue
+            if tool.Ifc.is_moved(obj):
+                core.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
+            representation = tool.Geometry.get_active_representation(obj)
+            if not representation:
+                continue
+            representation = ifcopenshell.util.representation.resolve_representation(representation)
+            if not tool.Geometry.is_meshlike(representation):
+                continue
+            bpy.ops.object.origin_set(type=self.origin_type)
+            bpy.ops.bim.update_representation(obj=obj.name)
+
+
 class AddRepresentation(bpy.types.Operator, Operator):
     bl_idname = "bim.add_representation"
     bl_label = "Add Representation"

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

@@ -18,7 +18,7 @@
 
 import bpy
 import blenderbim.tool as tool
-from bpy.types import Panel
+from bpy.types import Panel, Menu
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.helper import prop_with_search
 from blenderbim.bim.module.geometry.data import RepresentationsData, ConnectionsData, DerivedPlacementsData
@@ -29,6 +29,29 @@ def object_menu(self, context):
     self.layout.operator("bim.override_object_duplicate_move", icon="PLUGIN")
     self.layout.operator("bim.override_object_delete", icon="PLUGIN")
     self.layout.operator("bim.override_paste_buffer", icon="PLUGIN")
+    self.layout.menu("BIM_MT_object_set_origin", icon="PLUGIN")
+
+
+class BIM_MT_object_set_origin(Menu):
+    bl_idname = "BIM_MT_object_set_origin"
+    bl_label = "IFC Set Origin"
+
+    def draw(self, context):
+        self.layout.operator(
+            "bim.override_origin_set", icon="PLUGIN", text="IFC Geometry to Origin"
+        ).origin_type = "GEOMETRY_ORIGIN"
+        self.layout.operator(
+            "bim.override_origin_set", icon="PLUGIN", text="IFC Origin to Geometry"
+        ).origin_type = "ORIGIN_GEOMETRY"
+        self.layout.operator(
+            "bim.override_origin_set", icon="PLUGIN", text="IFC Origin to 3D Cursor"
+        ).origin_type = "ORIGIN_CURSOR"
+        self.layout.operator(
+            "bim.override_origin_set", icon="PLUGIN", text="IFC Origin to Center of Mass (Surface)"
+        ).origin_type = "ORIGIN_CENTER_OF_MASS"
+        self.layout.operator(
+            "bim.override_origin_set", icon="PLUGIN", text="IFC Origin to Center of Mass (Volume)"
+        ).origin_type = "ORIGIN_CENTER_OF_VOLUME"
 
 
 def outliner_menu(self, context):