Resource Features :

- Adding/removing and edit productivity data is now easier (+ cleaner UI)
- Pressing calculate schedule work on a parent resource will default to calculating its nested resources schedule work.
- Show derived Schedule Work for a parent resource
- Improve apperance of Resource Tree Structure

src/ifcopenshell-python/ifcopenshell/util/resource.py

@@ -112,3 +112,6 @@ def get_resource_required_work(resource):
             required_work = total_quantity_to_produce * productivity_ratio
             iso_string = f"P{required_work}D"
         return iso_string
+
+def get_nested_resources(resource):
+    return [object for rel in resource.IsNestedBy or [] for object in rel.RelatedObjects]