# BlenderBIM Add-on - OpenBIM Blender Add-on # Copyright (C) 2020, 2021 Dion Moult # # This file is part of BlenderBIM Add-on. # # BlenderBIM Add-on is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # BlenderBIM Add-on is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with BlenderBIM Add-on. If not, see . import bpy import ifcopenshell import ifcopenshell.api import blenderbim.tool as tool class LibraryGenerator: def generate(self): ifcopenshell.api.pre_listeners = {} ifcopenshell.api.post_listeners = {} self.file = ifcopenshell.api.run("project.create_file") self.project = ifcopenshell.api.run( "root.create_entity", self.file, ifc_class="IfcProject", name="BlenderBIM Demo" ) self.library = ifcopenshell.api.run( "root.create_entity", self.file, ifc_class="IfcProjectLibrary", name="BlenderBIM Demo Library" ) ifcopenshell.api.run( "project.assign_declaration", self.file, definition=self.library, relating_context=self.project ) ifcopenshell.api.run("unit.assign_unit", self.file, length={"is_metric": True, "raw": "METERS"}) model = ifcopenshell.api.run("context.add_context", self.file, context_type="Model") plan = ifcopenshell.api.run("context.add_context", self.file, context_type="Plan") self.representations = { "model_body": ifcopenshell.api.run( "context.add_context", self.file, context_type="Model", context_identifier="Body", target_view="MODEL_VIEW", parent=model, ), "plan_body": ifcopenshell.api.run( "context.add_context", self.file, context_type="Plan", context_identifier="Body", target_view="PLAN_VIEW", parent=plan, ), "plan_annotation": ifcopenshell.api.run( "context.add_context", self.file, context_type="Plan", context_identifier="Annotation", target_view="PLAN_VIEW", parent=plan, ), } self.material = ifcopenshell.api.run("material.add_material", self.file, name="Unknown") self.create_layer_type("IfcWallType", "WAL50", 0.05) self.create_layer_type("IfcWallType", "WAL100", 0.1) self.create_layer_type("IfcWallType", "WAL200", 0.2) self.create_layer_type("IfcWallType", "WAL300", 0.3) self.create_layer_type("IfcCoveringType", "COV10", 0.01) product = self.create_layer_type("IfcCoveringType", "COV20", 0.02) pset = ifcopenshell.api.run("pset.add_pset", self.file, product=product, name="EPset_Parametric") ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"LayerSetDirection": "AXIS2"}) product = self.create_layer_type("IfcCoveringType", "COV30", 0.03) pset = ifcopenshell.api.run("pset.add_pset", self.file, product=product, name="EPset_Parametric") ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"LayerSetDirection": "AXIS3"}) self.create_layer_type("IfcRampType", "RAM200", 0.2) profile = self.file.create_entity("IfcCircleProfileDef", ProfileType="AREA", Radius=0.3) self.create_profile_type("IfcPileType", "P1", profile) self.create_layer_type("IfcSlabType", "FLR150", 0.2) self.create_layer_type("IfcSlabType", "FLR250", 0.3) profile = self.file.create_entity( "IfcRectangleProfileDef", ProfileName="500x600", ProfileType="AREA", XDim=0.5, YDim=0.6 ) self.create_profile_type("IfcColumnType", "C1", profile) profile = self.file.create_entity( "IfcCircleHollowProfileDef", ProfileName="500.0x5.0 CHS", ProfileType="AREA", Radius=0.25, WallThickness=0.005, ) self.create_profile_type("IfcColumnType", "C2", profile) profile = self.file.create_entity( "IfcRectangleHollowProfileDef", ProfileName="150x75x2.0 RHS", ProfileType="AREA", XDim=0.075, YDim=0.15, WallThickness=0.002, InnerFilletRadius=0.005, OuterFilletRadius=0.005, ) self.create_profile_type("IfcColumnType", "C3", profile) profile = self.file.create_entity( "IfcIShapeProfileDef", ProfileName="DEMO-I", ProfileType="AREA", OverallWidth=0.1, OverallDepth=0.2, WebThickness=0.005, FlangeThickness=0.01, FilletRadius=0.005, ) self.create_profile_type("IfcBeamType", "B1", profile) profile = self.file.create_entity( "IfcCShapeProfileDef", ProfileName="DEMO-C", ProfileType="AREA", Depth=0.2, Width=0.1, WallThickness=0.0015, Girth=0.03, InternalFilletRadius=0.005, ) self.create_profile_type("IfcBeamType", "B2", profile) self.create_type("IfcWindowType", "WT01", {"model_body": "Window", "plan_body": "Window-Plan"}) self.create_type("IfcDoorType", "DT01", {"model_body": "Door", "plan_body": "Door-Plan"}) self.create_type("IfcFurnitureType", "BUN01", {"model_body": "Bunny", "plan_body": "Bunny-Plan"}) self.create_text_type("DOOR-TAG", "door-tag", ["{{type.Name}}", "{{Name}}"]) self.create_text_type("WINDOW-TAG", "window-tag", ["{{Name}}"]) self.create_text_type("SPACE-TAG", "space-tag", ["{{Name}}", "{{Description}}", "``round({{Qto_SpaceBaseQuantities.NetFloorArea}} or 0., 2)``"]) self.create_text_type("MATERIAL-TAG", "rectangle-tag", ["{{material.Name}}"]) self.create_text_type("TYPE-TAG", "capsule-tag", ["{{type.Name}}"]) self.create_text_type("NAME-TAG", "capsule-tag", ["{{Name}}"]) self.file.write("IFC4 Demo Library.ifc") def create_text_type(self, name, symbol, literals): element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name) element.ApplicableOccurrence = "IfcAnnotation/TEXT" pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="EPset_Annotation") ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Symbol": symbol}) items = [] for literal in literals: origin = self.file.createIfcAxis2Placement3D( self.file.createIfcCartesianPoint((0.0, 0.0, 0.0)), self.file.createIfcDirection((0.0, 0.0, 1.0)), self.file.createIfcDirection((1.0, 0.0, 0.0)), ) items.append(self.file.createIfcTextLiteralWithExtent( literal, origin, "RIGHT", self.file.createIfcPlanarExtent(1000, 1000), "center" )) representation = self.file.createIfcShapeRepresentation( self.representations["plan_annotation"], self.representations["plan_annotation"].ContextIdentifier, "Annotation2D", items, ) ifcopenshell.api.run( "geometry.assign_representation", self.file, product=element, representation=representation ) def create_layer_type(self, ifc_class, name, thickness): element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name) rel = ifcopenshell.api.run("material.assign_material", self.file, product=element, type="IfcMaterialLayerSet") layer_set = rel.RelatingMaterial layer = ifcopenshell.api.run("material.add_layer", self.file, layer_set=layer_set, material=self.material) layer.LayerThickness = thickness ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library) return element def create_profile_type(self, ifc_class, name, profile): element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name) rel = ifcopenshell.api.run("material.assign_material", self.file, product=element, type="IfcMaterialProfileSet") profile_set = rel.RelatingMaterial material_profile = ifcopenshell.api.run( "material.add_profile", self.file, profile_set=profile_set, material=self.material ) ifcopenshell.api.run("material.assign_profile", self.file, material_profile=material_profile, profile=profile) ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library) def create_type(self, ifc_class, name, representations): element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name) for rep_name, obj_name in representations.items(): obj = bpy.data.objects.get(obj_name) representation = ifcopenshell.api.run( "geometry.add_representation", self.file, context=self.representations[rep_name], blender_object=obj, geometry=obj.data, total_items=max(1, len(obj.material_slots)), ) styles = [] for slot in obj.material_slots: style = ifcopenshell.api.run("style.add_style", self.file, name=slot.material.name) ifcopenshell.api.run( "style.add_surface_style", self.file, style=style, ifc_class="IfcSurfaceStyleShading", attributes=tool.Style.get_surface_shading_attributes(slot.material), ) styles.append(style) if styles: ifcopenshell.api.run( "style.assign_representation_styles", self.file, shape_representation=representation, styles=styles ) ifcopenshell.api.run( "geometry.assign_representation", self.file, product=element, representation=representation ) ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library) LibraryGenerator().generate()