New feature to only apply section planes to specific objects

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -1927,7 +1927,12 @@ class AddSectionPlane(bpy.types.Operator):
             material = bpy.data.materials.new('Section Override')
             material.use_nodes = True
 
-        for obj in bpy.context.visible_objects:
+        if bpy.context.scene.BIMProperties.should_section_selected_objects:
+            objects = bpy.context.selected_objects
+        else:
+            objects = bpy.context.visible_objects
+
+        for obj in objects:
             if not (obj.data \
                     and hasattr(obj.data, 'materials') \
                     and obj.data.materials \

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -849,6 +849,7 @@ class BIMProperties(PropertyGroup):
     property_set_templates: EnumProperty(items=getPropertySetTemplates, name="Pset Template Files")
     active_property_set_template: PointerProperty(type=PropertySetTemplate)
     property_templates: CollectionProperty(name='Property Templates', type=PropertyTemplate)
+    should_section_selected_objects: BoolProperty(name="Section Selected Objects", default=False)
 
 
 class BCFProperties(PropertyGroup):

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -449,6 +449,10 @@ class BIM_PT_section_plane(Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
+        props = bpy.context.scene.BIMProperties
+
+        row = layout.row()
+        row.prop(props, 'should_section_selected_objects')
 
         row = layout.row(align=True)
         row.operator('bim.add_section_plane')