You can now toggle recursive children in the spatial tree

src/blenderbim/blenderbim/bim/module/spatial/prop.py

@@ -59,6 +59,10 @@ def update_active_container_index(self, context):
     tool.Spatial.load_contained_elements()
 
 
+def update_should_include_children(self, context):
+    tool.Spatial.load_contained_elements()
+
+
 def update_relating_container_from_object(self, context):
     if self.relating_container_object is None or context.active_object is None:
         return
@@ -132,6 +136,9 @@ class BIMSpatialDecompositionProperties(PropertyGroup):
     total_elements: IntProperty(name="Total Elements")
     subelement_class: bpy.props.EnumProperty(items=get_subelement_class, name="Subelement Class")
     default_container: IntProperty(name="Default Container", default=0)
+    should_include_children: BoolProperty(
+        name="Should Include Children", default=True, update=update_should_include_children
+    )
 
     @property
     def active_container(self):

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

@@ -137,9 +137,6 @@ class BIM_PT_spatial_decomposition(Panel):
             row.operator("bim.select_decomposed_elements", icon="HIDE_OFF", text="")
             row.operator("bim.select_decomposed_elements", icon="HIDE_ON", text="")
             row.operator("bim.select_container", icon="OBJECT_DATA", text="").container = ifc_definition_id
-            op = row.operator("bim.select_decomposed_elements", icon="RESTRICT_SELECT_OFF", text="")
-            op.ifc_class = self.props.active_container.ifc_class
-            op.container = ifc_definition_id
             op = row.operator("bim.delete_container", icon="X", text="")
             op.container = ifc_definition_id
 
@@ -157,13 +154,17 @@ class BIM_PT_spatial_decomposition(Panel):
             return
 
         if not self.props.total_elements:
-            row = self.layout.row()
+            row = self.layout.row(align=True)
             row.label(text="No Contained Elements", icon="FILE_3D")
+            row.prop(self.props, "should_include_children", text="", icon="OUTLINER")
             return
 
         row = self.layout.row(align=True)
         row.label(text=f"{self.props.total_elements} Contained Elements", icon="FILE_3D")
-        row.operator("bim.select_decomposed_elements", icon="RESTRICT_SELECT_OFF", text="")
+        row.prop(self.props, "should_include_children", text="", icon="OUTLINER")
+        op = row.operator("bim.select_decomposed_elements", icon="RESTRICT_SELECT_OFF", text="")
+        op.ifc_class = self.props.active_container.ifc_class
+        op.container = ifc_definition_id
 
         self.layout.template_list(
             "BIM_UL_elements",

src/blenderbim/blenderbim/tool/spatial.py

@@ -235,7 +235,13 @@ class Spatial(blenderbim.core.tool.Spatial):
         container = tool.Ifc.get().by_id(container.ifc_definition_id)
 
         results = {}
-        for element in ifcopenshell.util.element.get_contained(container):
+        if props.should_include_children:
+            elements = ifcopenshell.util.element.get_decomposition(container, is_recursive=True)
+        else:
+            elements = ifcopenshell.util.element.get_contained(container)
+        for element in elements:
+            if not element.is_a("IfcElement"):
+                continue
             element_type = ifcopenshell.util.element.get_type(element)
             ifc_class = element.is_a()
             type_name = element_type.Name or "Unnamed" if element_type else "Untyped"