New feature to export point lights (IfcLightSourcePositional) into IFC

src/blenderbim/blenderbim/bim/__init__.py

@@ -125,6 +125,7 @@ if bpy is not None:
         bpy.types.Mesh.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
         bpy.types.Curve.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
         bpy.types.Camera.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
+        bpy.types.PointLight.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
         bpy.types.SCENE_PT_unit.append(ui.ifc_units)
 
         for module in modules.values():
@@ -146,6 +147,7 @@ if bpy is not None:
         del bpy.types.Mesh.BIMMeshProperties
         del bpy.types.Curve.BIMMeshProperties
         del bpy.types.Camera.BIMMeshProperties
+        del bpy.types.PointLight.BIMMeshProperties
         bpy.types.SCENE_PT_unit.remove(ui.ifc_units)
 
         for module in reversed(list(modules.values())):

src/blenderbim/blenderbim/bim/prop.py

@@ -82,6 +82,7 @@ def getSubcontexts(self, context):
         "CoG",
         "Profile",
         "SurveyPoints",
+        "Lighting",
     ]
     for subcontext in subcontexts:
         subcontexts_enum.append((subcontext, subcontext, ""))

src/ifcopenshell-python/ifcopenshell/api/geometry/add_representation.py

@@ -99,6 +99,8 @@ class Usecase:
             return self.create_curve3d_representation()
         elif self.settings["context"].ContextIdentifier == "SurveyPoints":
             return self.create_geometric_curve_set_representation()
+        elif self.settings["context"].ContextIdentifier == "Lighting":
+            return self.create_lighting_representation()
 
     def create_plan_representation(self):
         if self.settings["context"].ContextIdentifier == "Annotation":
@@ -127,6 +129,28 @@ class Usecase:
         elif self.settings["context"].ContextIdentifier == "SurveyPoints":
             pass
 
+    def create_lighting_representation(self):
+        return self.file.createIfcShapeRepresentation(
+            self.settings["context"],
+            self.settings["context"].ContextIdentifier,
+            "LightSource",
+            [self.create_light_source()],
+        )
+
+    def create_light_source(self):
+        if self.settings["geometry"].type == "POINT":
+            return self.create_light_source_positional()
+
+    def create_light_source_positional(self):
+        return self.file.create_entity(
+            "IfcLightSourcePositional",
+            **{
+                "LightColour": self.file.createIfcColourRgb(None, *self.settings["geometry"].color),
+                "Position": self.file.createIfcCartesianPoint((0.0, 0.0, 0.0)),
+                "Radius": self.convert_si_to_unit(self.settings["geometry"].shadow_soft_size),
+            },
+        )
+
     def create_text_representation(self):
         return self.file.createIfcShapeRepresentation(
             self.settings["context"],