allow not loading geometries

src/compas_ifc/entities/entity.py

@@ -52,6 +52,12 @@ def declaration(self):
             self._declaration = self.model.schema.declaration_by_name(self.ifc_type)
         return self._declaration
 
+    @property
+    def id(self):
+        if self._entity:
+            return self._entity.id()
+        return None
+
     @property
     def ifc_type(self):
         if self._entity:

src/compas_ifc/model.py

@@ -59,7 +59,7 @@ class Model:
 
     """
 
-    def __init__(self, filepath: str = None, entity_types: dict = None, use_occ=False, schema=None) -> None:
+    def __init__(self, filepath: str = None, entity_types: dict = None, use_occ=False, schema=None, load_geometries=True) -> None:
         self.reader = IFCReader(model=self, entity_types=entity_types, use_occ=use_occ)
         self.writer = IFCWriter(model=self)
         self._new_entities = set()
@@ -75,10 +75,10 @@ def __init__(self, filepath: str = None, entity_types: dict = None, use_occ=Fals
             self._schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(schema)
 
         if filepath:
-            self.open(filepath)
+            self.open(filepath, load_geometries=load_geometries)
 
-    def open(self, filepath: str) -> None:
-        self.reader.open(filepath)
+    def open(self, filepath: str, load_geometries=True) -> None:
+        self.reader.open(filepath, load_geometries=load_geometries)
 
     def save(self, filepath: str) -> None:
         self.writer.save(filepath)

src/compas_ifc/reader.py

@@ -60,13 +60,14 @@ def __init__(self, model, entity_types: dict = None, use_occ=True):
         self._geometrymap = {}
         self._stylemap = {}
 
-    def open(self, filepath: str):
+    def open(self, filepath: str, load_geometries=True):
         self.filepath = filepath
         self._file = ifcopenshell.open(filepath)
         self._schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(self._file.schema)
         self._entitymap = {}
         print("Opened file: {}".format(filepath))
-        self.load_geometries()
+        if load_geometries:
+            self.load_geometries()
 
     def get_entity(self, entity: ifcopenshell.entity_instance):
         """