Bundle IFC Clash in Blender for clash detection for Windows and Linux

src/ifcblenderexport/Makefile

@@ -163,6 +163,25 @@ endif
 	cp -r dist/working/lark-parser-0.8.5/lark dist/blenderbim/libs/site/packages/
 	rm -rf dist/working
 
+ifeq ($(PLATFORM), linux)
+	mkdir dist/working
+	cd dist/working && wget https://files.pythonhosted.org/packages/0c/fa/00d85f893b02289e2942849d97f8818dde8e2111182e825fb3a735677791/python_fcl-0.0.12-cp37-cp37m-manylinux1_x86_64.whl
+	cd dist/working && unzip python_fcl*
+	cp -r dist/working/fcl dist/blenderbim/libs/site/packages/
+	rm -rf dist/working
+endif
+
+ifeq ($(PLATFORM), win)
+	mkdir dist/working
+	cd dist/working && wget https://blenderbim.org/builds/fcl-py37-win.zip
+	cd dist/working && unzip fcl*
+	cp -r dist/working/fcl dist/blenderbim/libs/site/packages/
+	rm -rf dist/working
+endif
+
+	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifcclash/collision.py
+	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifcclash/ifcclash.py
+
 	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifcdiff/ifcdiff.py
 	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifccsv/ifccsv.py
 

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -96,6 +96,7 @@ if bpy is not None:
         operator.OpenView,
         operator.ActivateView,
         operator.ExecuteIfcDiff,
+        operator.ExecuteIfcClash,
         operator.AssignContext,
         operator.SwitchContext,
         operator.SetViewPreset1,
@@ -168,6 +169,7 @@ if bpy is not None:
         ui.BIM_PT_document_information,
         ui.BIM_PT_search,
         ui.BIM_PT_ifccsv,
+        ui.BIM_PT_ifcclash,
         ui.BIM_PT_bcf,
         ui.BIM_PT_owner,
         ui.BIM_PT_context,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -1153,6 +1153,32 @@ class ExecuteIfcDiff(bpy.types.Operator):
         return {'FINISHED'}
 
 
+class ExecuteIfcClash(bpy.types.Operator):
+    bl_idname = 'bim.execute_ifc_clash'
+    bl_label = 'Execute IFC Clash'
+    filename_ext = '.json'
+    filepath: bpy.props.StringProperty(subtype='FILE_PATH')
+
+    def invoke(self, context, event):
+        self.filepath = bpy.path.ensure_ext(bpy.data.filepath, '.json')
+        WindowManager = context.window_manager
+        WindowManager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
+
+    def execute(self, context):
+        import ifcclash
+        settings = ifcclash.IfcClashSettings()
+        self.filepath = bpy.path.ensure_ext(self.filepath, '.json')
+        settings.output = self.filepath
+        settings.logger = logging.getLogger('Clash')
+        settings.logger.setLevel(logging.DEBUG)
+        ifc_clasher = ifcclash.IfcClasher(
+            bpy.context.scene.BIMProperties.ifc_clash_a, bpy.context.scene.BIMProperties.ifc_clash_b, settings)
+        ifc_clasher.clash()
+        ifc_clasher.export()
+        return {'FINISHED'}
+
+
 class SelectBcfFile(bpy.types.Operator):
     bl_idname = "bim.select_bcf_file"
     bl_label = "Select BCF File"

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -929,6 +929,8 @@ class BIMProperties(PropertyGroup):
     active_document_information_index: IntProperty(name='Active Document Information Index')
     document_references: CollectionProperty(name='Document References', type=DocumentReference)
     active_document_reference_index: IntProperty(name='Active Document Reference Index')
+    ifc_clash_a: StringProperty(name="IFC Clash A")
+    ifc_clash_b: StringProperty(name="IFC Clash B")
 
 
 class BCFProperties(PropertyGroup):

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -1272,3 +1272,28 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         row = layout.row()
         row.operator('bim.open_upstream', text='Visit Wiki').page = 'wiki'
         row.operator('bim.open_upstream', text='Visit Community').page = 'community'
+
+
+class BIM_PT_ifcclash(Panel):
+    bl_label = "IFC Clash"
+    bl_idname = "BIM_PT_ifcclash"
+    bl_options = {'DEFAULT_CLOSED'}
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = "scene"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+
+        scene = context.scene
+        props = scene.BIMProperties
+
+        row = layout.row(align=True)
+        row.prop(props, 'ifc_clash_a')
+
+        row = layout.row(align=True)
+        row.prop(props, 'ifc_clash_b')
+
+        row = layout.row()
+        row.operator('bim.execute_ifc_clash')

src/ifcclash/ifcclash.py

@@ -62,6 +62,10 @@ class IfcClasher:
                 'penetration_depth': contact.raw.penetration_depth
             }
 
+    def export(self):
+        with open(self.settings.output, 'w', encoding='utf-8') as clashes_file:
+            json.dump(list(self.clashes.values()), clashes_file, indent=4)
+
     def purge_elements(self, ab):
         # TODO: more filtering abilities
         for element in getattr(self, ab).by_type('IfcSpace'):
@@ -146,6 +150,12 @@ class IfcClasher:
             element.ObjectPlacement.RelativePlacement.RefDirection.DirectionRatios = (1., 0., 0.)
 
 
+class IfcClashSettings:
+    def __init__(self):
+        self.logger = None
+        self.output = 'clashes.json'
+
+
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(
         description='Clashes geometry between two IFC files')
@@ -165,11 +175,8 @@ if __name__ == '__main__':
         default='clashes.json')
     args = parser.parse_args()
 
-    class IfcClashSettings:
-        def __init__(self):
-            self.logger = None
-
     settings = IfcClashSettings()
+    settings.output = args.output
     settings.logger = logging.getLogger('Clash')
     settings.logger.setLevel(logging.DEBUG)
     handler = logging.StreamHandler(sys.stdout)
@@ -177,6 +184,4 @@ if __name__ == '__main__':
     settings.logger.addHandler(handler)
     ifc_clasher = IfcClasher(args.a, args.b, settings)
     ifc_clasher.clash()
-
+    ifc_clasher.export()
-    with open(args.output, 'w', encoding='utf-8') as clashes_file:
-        json.dump(list(ifc_clasher.clashes.values()), clashes_file, indent=4)