mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
259 lines
12 KiB
Python
259 lines
12 KiB
Python
# BlenderBIM Add-on - OpenBIM Blender Add-on
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# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of BlenderBIM Add-on.
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#
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# BlenderBIM Add-on is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# BlenderBIM Add-on is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with BlenderBIM Add-on. If not, see <http://www.gnu.org/licenses/>.
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import bpy
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import ifcopenshell
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import ifcopenshell.api
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import blenderbim.tool as tool
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class LibraryGenerator:
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def generate(self):
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ifcopenshell.api.pre_listeners = {}
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ifcopenshell.api.post_listeners = {}
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self.file = ifcopenshell.api.run("project.create_file")
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self.project = ifcopenshell.api.run(
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"root.create_entity", self.file, ifc_class="IfcProject", name="BlenderBIM Demo"
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)
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self.library = ifcopenshell.api.run(
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"root.create_entity", self.file, ifc_class="IfcProjectLibrary", name="BlenderBIM Demo Library"
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)
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ifcopenshell.api.run(
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"project.assign_declaration", self.file, definition=self.library, relating_context=self.project
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)
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ifcopenshell.api.run("unit.assign_unit", self.file, length={"is_metric": True, "raw": "METERS"})
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model = ifcopenshell.api.run("context.add_context", self.file, context_type="Model")
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plan = ifcopenshell.api.run("context.add_context", self.file, context_type="Plan")
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self.representations = {
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"model_body": ifcopenshell.api.run(
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"context.add_context",
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self.file,
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context_type="Model",
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context_identifier="Body",
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target_view="MODEL_VIEW",
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parent=model,
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),
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"plan_body": ifcopenshell.api.run(
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"context.add_context",
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self.file,
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context_type="Plan",
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context_identifier="Body",
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target_view="PLAN_VIEW",
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parent=plan,
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),
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"model_annotation": ifcopenshell.api.run(
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"context.add_context",
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self.file,
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context_type="Model",
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context_identifier="Annotation",
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target_view="MODEL_VIEW",
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parent=plan,
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),
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}
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self.material = ifcopenshell.api.run("material.add_material", self.file, name="Unknown")
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self.create_layer_type("IfcWallType", "WAL50", 0.05)
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self.create_layer_type("IfcWallType", "WAL100", 0.1)
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self.create_layer_type("IfcWallType", "WAL200", 0.2)
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self.create_layer_type("IfcWallType", "WAL300", 0.3)
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self.create_layer_type("IfcCoveringType", "COV10", 0.01)
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product = self.create_layer_type("IfcCoveringType", "COV20", 0.02)
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pset = ifcopenshell.api.run("pset.add_pset", self.file, product=product, name="EPset_Parametric")
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ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"LayerSetDirection": "AXIS2"})
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product = self.create_layer_type("IfcCoveringType", "COV30", 0.03)
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pset = ifcopenshell.api.run("pset.add_pset", self.file, product=product, name="EPset_Parametric")
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ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"LayerSetDirection": "AXIS3"})
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self.create_layer_type("IfcRampType", "RAM200", 0.2)
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profile = self.file.create_entity("IfcCircleProfileDef", ProfileType="AREA", Radius=0.3)
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self.create_profile_type("IfcPileType", "P1", profile)
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self.create_layer_type("IfcSlabType", "FLR150", 0.2)
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self.create_layer_type("IfcSlabType", "FLR250", 0.3)
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profile = self.file.create_entity(
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"IfcRectangleProfileDef", ProfileName="500x600", ProfileType="AREA", XDim=0.5, YDim=0.6
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)
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self.create_profile_type("IfcColumnType", "C1", profile)
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profile = self.file.create_entity(
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"IfcCircleHollowProfileDef",
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ProfileName="500.0x5.0 CHS",
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ProfileType="AREA",
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Radius=0.25,
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WallThickness=0.005,
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)
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self.create_profile_type("IfcColumnType", "C2", profile)
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profile = self.file.create_entity(
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"IfcRectangleHollowProfileDef",
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ProfileName="150x75x2.0 RHS",
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ProfileType="AREA",
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XDim=0.075,
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YDim=0.15,
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WallThickness=0.002,
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InnerFilletRadius=0.005,
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OuterFilletRadius=0.005,
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)
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self.create_profile_type("IfcColumnType", "C3", profile)
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profile = self.file.create_entity(
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"IfcIShapeProfileDef",
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ProfileName="DEMO-I",
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ProfileType="AREA",
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OverallWidth=0.1,
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OverallDepth=0.2,
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WebThickness=0.005,
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FlangeThickness=0.01,
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FilletRadius=0.005,
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)
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self.create_profile_type("IfcBeamType", "B1", profile)
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profile = self.file.create_entity(
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"IfcCShapeProfileDef",
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ProfileName="DEMO-C",
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ProfileType="AREA",
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Depth=0.2,
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Width=0.1,
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WallThickness=0.0015,
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Girth=0.03,
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InternalFilletRadius=0.005,
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)
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self.create_profile_type("IfcBeamType", "B2", profile)
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self.create_type("IfcWindowType", "WT01", {"model_body": "Window", "plan_body": "Window-Plan"})
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self.create_type("IfcDoorType", "DT01", {"model_body": "Door", "plan_body": "Door-Plan"})
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self.create_type("IfcFurnitureType", "BUN01", {"model_body": "Bunny", "plan_body": "Bunny-Plan"})
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self.create_symbol_type("SETOUT-POINT", "setout-point")
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self.create_symbol_type("CONTROL-POINT", "control-point")
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self.create_symbol_type("TRAVERSE-POINT", "traverse-point")
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self.create_line_type("DASHED", "dashed")
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self.create_line_type("FINE", "fine")
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self.create_line_type("THIN", "thin")
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self.create_line_type("MEDIUM", "medium")
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self.create_line_type("THICK", "thick")
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self.create_line_type("STRONG", "strong")
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self.create_text_type("SETOUT-TAG", "setout-tag", ["E ``round({{easting}}, 0.001)``", "N ``round({{northing}}, 0.001)``"])
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self.create_text_type("DOOR-TAG", "door-tag", ["{{type.Name}}", "{{Name}}"])
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self.create_text_type("WINDOW-TAG", "window-tag", ["{{Name}}"])
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self.create_text_type("SPACE-TAG", "space-tag", ["{{Name}}", "{{Description}}", "``round({{Qto_SpaceBaseQuantities.NetFloorArea}}, 0.01)``"])
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self.create_text_type("MATERIAL-TAG", "rectangle-tag", ["{{material.Name}}"])
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self.create_text_type("TYPE-TAG", "capsule-tag", ["{{type.Name}}"])
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self.create_text_type("NAME-TAG", "capsule-tag", ["{{Name}}"])
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self.file.write("IFC4 Demo Library.ifc")
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def create_symbol_type(self, name, symbol):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name)
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element.ApplicableOccurrence = "IfcAnnotation/SYMBOL"
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pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="EPset_Annotation")
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ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Symbol": symbol})
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def create_line_type(self, name, classes):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name)
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element.ApplicableOccurrence = "IfcAnnotation/LINEWORK"
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pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="EPset_Annotation")
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ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Classes": classes})
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def create_text_type(self, name, symbol, literals):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTypeProduct", name=name)
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element.ApplicableOccurrence = "IfcAnnotation/TEXT"
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pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="EPset_Annotation")
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ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"Symbol": symbol})
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items = []
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for literal in literals:
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origin = self.file.createIfcAxis2Placement3D(
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self.file.createIfcCartesianPoint((0.0, 0.0, 0.0)),
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self.file.createIfcDirection((0.0, 0.0, 1.0)),
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self.file.createIfcDirection((1.0, 0.0, 0.0)),
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)
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items.append(self.file.createIfcTextLiteralWithExtent(
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literal, origin, "RIGHT", self.file.createIfcPlanarExtent(1000, 1000), "center"
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))
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representation = self.file.createIfcShapeRepresentation(
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self.representations["model_annotation"],
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self.representations["model_annotation"].ContextIdentifier,
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"Annotation2D",
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items,
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)
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ifcopenshell.api.run(
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"geometry.assign_representation", self.file, product=element, representation=representation
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)
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def create_layer_type(self, ifc_class, name, thickness):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name)
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rel = ifcopenshell.api.run("material.assign_material", self.file, product=element, type="IfcMaterialLayerSet")
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layer_set = rel.RelatingMaterial
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layer = ifcopenshell.api.run("material.add_layer", self.file, layer_set=layer_set, material=self.material)
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layer.LayerThickness = thickness
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ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
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return element
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def create_profile_type(self, ifc_class, name, profile):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name)
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rel = ifcopenshell.api.run("material.assign_material", self.file, product=element, type="IfcMaterialProfileSet")
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profile_set = rel.RelatingMaterial
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material_profile = ifcopenshell.api.run(
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"material.add_profile", self.file, profile_set=profile_set, material=self.material
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)
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ifcopenshell.api.run("material.assign_profile", self.file, material_profile=material_profile, profile=profile)
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ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
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def create_type(self, ifc_class, name, representations):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name)
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for rep_name, obj_name in representations.items():
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obj = bpy.data.objects.get(obj_name)
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representation = ifcopenshell.api.run(
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"geometry.add_representation",
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self.file,
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context=self.representations[rep_name],
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blender_object=obj,
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geometry=obj.data,
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total_items=max(1, len(obj.material_slots)),
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)
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styles = []
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for slot in obj.material_slots:
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style = ifcopenshell.api.run("style.add_style", self.file, name=slot.material.name)
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ifcopenshell.api.run(
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"style.add_surface_style",
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self.file,
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style=style,
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ifc_class="IfcSurfaceStyleShading",
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attributes=tool.Style.get_surface_shading_attributes(slot.material),
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)
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styles.append(style)
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if styles:
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ifcopenshell.api.run(
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"style.assign_representation_styles", self.file, shape_representation=representation, styles=styles
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)
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ifcopenshell.api.run(
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"geometry.assign_representation", self.file, product=element, representation=representation
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)
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ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
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LibraryGenerator().generate()
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