New clean wireframes operator to easily apply edge split modifier to nicer drawings

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -230,6 +230,7 @@ if bpy is not None:
         operator.SetBlenderClashSetA,
         operator.SetBlenderClashSetB,
         operator.ExecuteBlenderClash,
+        operator.CleanWireframes,
         prop.StrProperty,
         prop.Attribute,
         prop.MaterialLayer,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -4845,3 +4845,20 @@ class ExecuteBlenderClash(bpy.types.Operator):
         blender_clasher = BlenderClasher()
         blender_clasher.process_clash_set()
         return {"FINISHED"}
+
+
+class CleanWireframes(bpy.types.Operator):
+    bl_idname = "bim.clean_wireframes"
+    bl_label = "Clean Wireframes"
+
+    def execute(self, context):
+        objects = bpy.data.objects
+        if bpy.context.selected_objects:
+            objects = bpy.context.selected_objects
+        for obj in objects:
+            if not isinstance(obj.data, bpy.types.Mesh):
+                continue
+            # TODO: probably breaks i18n
+            if not obj.modifiers.get("EdgeSplit"):
+                obj.modifiers.new("EdgeSplit", "EDGE_SPLIT")
+        return {"FINISHED"}

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -2303,6 +2303,9 @@ class BIM_PT_annotation_utilities(Panel):
     def draw(self, context):
         layout = self.layout
 
+        row = layout.row(align=True)
+        row.operator("bim.clean_wireframes")
+
         row = layout.row(align=True)
         op = row.operator("bim.add_annotation", text="Dim", icon="ARROW_LEFTRIGHT")
         op.obj_name = "Dimension"