Implement load management and assigning activities with named loads. Thanks Jesusbill!

src/ifcopenshell-python/ifcopenshell/api/structural/add_structural_activity.py

@@ -21,8 +21,7 @@ class Usecase:
             ifc_class=self.settings["ifc_class"],
             predefined_type=self.settings["predefined_type"],
         )
-        # TODO
-        # activity.AppliedLoad = self.settings["applied_load"]
+        activity.AppliedLoad = self.settings["applied_load"]
         activity.GlobalOrLocal = self.settings["global_or_local"]
 
         rel = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcRelConnectsStructuralActivity")

src/ifcopenshell-python/ifcopenshell/api/structural/add_structural_load.py

@@ -0,0 +1,15 @@
+import ifcopenshell.api
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "name": None,
+            "ifc_class": "IfcStructuralLoadLinearForce",
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        return self.file.create_entity(self.settings["ifc_class"], Name=self.settings["name"])

src/ifcopenshell-python/ifcopenshell/api/structural/data.py

@@ -7,7 +7,7 @@ class Data:
     connects_structural_members = {}
     members = {}
     structural_activities = {}
-    applied_loads = {}
+    structural_loads = {}
     connects_structural_activities = {}
 
     load_cases = {}
@@ -24,7 +24,7 @@ class Data:
         cls.connects_structural_members = {}
         cls.members = {}
         cls.structural_activities = {}
-        cls.applied_loads = {}
+        cls.structural_loads = {}
         cls.connects_structural_activities = {}
 
         cls.load_cases = {}
@@ -49,6 +49,7 @@ class Data:
         cls.load_structural_load_case_combinations()
         cls.load_structural_load_groups()
         cls.load_structural_activities()
+        cls.load_structural_loads()
         cls.is_loaded = True
 
     @classmethod
@@ -195,8 +196,14 @@ class Data:
         cls.connects_structural_members[rel.id()] = rel_data
 
     @classmethod
-    def load_applied_load(cls, applied_load):
-        cls.applied_loads[applied_load.id()] = applied_load.get_info()
+    def load_structural_loads(cls):
+        cls.structural_loads = {}
+        for load in cls._file.by_type("IfcStructuralLoad"):
+            cls.load_structural_load(load)
+
+    @classmethod
+    def load_structural_load(cls, load):
+        cls.structural_loads[load.id()] = load.get_info()
 
     @classmethod
     def load_connects_structural_activity(cls, rel):
@@ -206,7 +213,7 @@ class Data:
         rel_data["RelatedStructuralActivity"] = rel.RelatedStructuralActivity.id()
 
         if rel.RelatedStructuralActivity.AppliedLoad:
-            cls.load_applied_load(rel.RelatedStructuralActivity.AppliedLoad)
+            cls.load_structural_load(rel.RelatedStructuralActivity.AppliedLoad)
             # rel_data["AppliedCondition"] = rel.RelatedStructuralActivity.AppliedLoad.id()
 
         cls.connects_structural_activities[rel.id()] = rel_data
@@ -238,4 +245,4 @@ class Data:
             data["ConnectedBy"].append(rel.id())
         
 
-        cls.members[member.id()] = data
+        cls.members[member.id()] = data

src/ifcopenshell-python/ifcopenshell/api/structural/edit_structural_load.py

@@ -0,0 +1,13 @@
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "structural_load": None,
+            "attributes": {}
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        for name, value in self.settings["attributes"].items():
+            setattr(self.settings["structural_load"], name, value)

src/ifcopenshell-python/ifcopenshell/api/structural/remove_structural_load.py

@@ -0,0 +1,9 @@
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {"structural_load": None}
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        self.file.remove(self.settings["structural_load"])