New feature to select high polygon meshes

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -200,6 +200,7 @@ if bpy is not None:
         operator.RemoveDrawingStyleAttribute,
         operator.CopyPropertyToSelection,
         operator.CreateShapeFromStepId,
+        operator.SelectHighPolygonMeshes,
         prop.StrProperty,
         prop.Variable,
         prop.Role,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -3963,3 +3963,24 @@ class CreateShapeFromStepId(bpy.types.Operator):
         obj = bpy.data.objects.new('Debug', mesh)
         bpy.context.scene.collection.objects.link(obj)
         return {'FINISHED'}
+
+
+class SelectHighPolygonMeshes(bpy.types.Operator):
+    bl_idname = 'bim.select_high_polygon_meshes'
+    bl_label = 'Select High Polygon Meshes'
+
+    def execute(self, context):
+        results = {}
+        for obj in bpy.data.objects:
+            if not isinstance(obj.data, bpy.types.Mesh) \
+                    or len(obj.data.polygons) < int(bpy.context.scene.BIMDebugProperties.number_of_polygons):
+                continue
+            try:
+                obj.select_set(True)
+            except:
+                # If it is not in the view layer
+                pass
+            relating_type = obj.BIMObjectProperties.relating_type
+            if relating_type:
+                relating_type.select_set(True)
+        return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -1353,6 +1353,7 @@ class BIMObjectProperties(PropertyGroup):
 
 class BIMDebugProperties(PropertyGroup):
     step_id: IntProperty(name="STEP ID")
+    number_of_polygons: IntProperty(name="Number of Polygons")
 
 
 class BIMMaterialProperties(PropertyGroup):

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -2026,6 +2026,12 @@ class BIM_PT_debug(Panel):
         row = layout.row()
         row.operator('bim.create_shape_from_step_id')
 
+        row = layout.row()
+        row.prop(debug_props, 'number_of_polygons', text='')
+        row = layout.row()
+        row.operator('bim.select_high_polygon_meshes')
+
+
 
 def ifc_units(self, context):
     scene = context.scene