Fix #6305

Fix wrong calculation with blender engine for IfcFooting

src/bonsai/bonsai/bim/module/qto/calculator.py

@@ -95,6 +95,18 @@ def get_stair_length(obj: bpy.types.Object) -> float:
     stair_length = math.sqrt(pow(length, 2) + pow(height, 2))
     return stair_length
 
+def get_footing_length(o: bpy.types.Object) -> float:
+    element = tool.Ifc.get_entity(o)
+    assert element
+    predefined_type = ifcopenshell.util.element.get_predefined_type(element)
+    if not predefined_type:
+        return get_length(o)
+    if predefined_type == "FOOTING_BEAM" or predefined_type == "STRIP_FOOTING":
+        return get_z(o)
+    elif predefined_type == "PAD_FOOTING":
+        return max(get_x(o), get_y(o))
+    else:
+        return get_length(o)
 
 def get_net_stair_area(obj: bpy.types.Object) -> float:
     OBB_obj = get_OBB_object(obj)
@@ -174,6 +186,19 @@ def get_width(o: bpy.types.Object) -> float:
     y = get_y(o)
     return min(x, y)
 
+def get_footing_height(o: bpy.types.Object) -> float:
+    element = tool.Ifc.get_entity(o)
+    assert element
+    predefined_type = ifcopenshell.util.element.get_predefined_type(element)
+    if not predefined_type:
+        return get_height(o)
+    if predefined_type == "FOOTING_BEAM" or predefined_type == "STRIP_FOOTING":
+        return get_y(o)
+    elif predefined_type == "PAD_FOOTING":
+        return get_z(o)
+    else:
+        return get_height(o)
+
 
 def get_height(o: bpy.types.Object) -> float:
     """_summary_: Returns the height of the object bounding box