mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 17:58:20 +00:00
Dion Moult
110 lines
4.5 KiB
Python
110 lines
4.5 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 ifcopenshell
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import ezdxf
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class Dxf2Ifc:
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def execute(self):
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self.create_ifc_file()
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doc = ezdxf.readfile("input.dxf")
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model = doc.modelspace()
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products = []
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for entity in model:
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print(entity)
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if entity.get_mode() == "AcDbPolyFaceMesh":
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ifc_faces = []
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for face in entity.faces():
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ifc_faces.append(
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self.file.createIfcFace(
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[
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self.file.createIfcFaceOuterBound(
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self.file.createIfcPolyLoop(
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[
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self.file.createIfcCartesianPoint((face[index].dxf.location))
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for index in range(len(face) - 1)
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]
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),
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True,
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)
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]
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)
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)
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representation = self.file.createIfcProductDefinitionShape(
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None,
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None,
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[
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self.file.createIfcShapeRepresentation(
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self.subcontext,
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"Body",
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"Brep",
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[self.file.createIfcFacetedBrep(self.file.createIfcClosedShell(ifc_faces))],
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)
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],
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)
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products.append(
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self.file.create_entity(
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"IfcBuildingElementProxy",
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**{
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"GlobalId": ifcopenshell.guid.new(),
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"Name": entity.dxf.layer,
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"ObjectPlacement": self.placement,
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"Representation": representation,
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}
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)
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)
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else:
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print("Not yet implemented")
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self.file.createIfcRelContainedInSpatialStructure(
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ifcopenshell.guid.new(), None, None, None, products, self.site
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)
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self.file.write("test.ifc")
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def create_ifc_file(self):
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self.file = ifcopenshell.file()
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units = self.file.createIfcUnitAssignment([self.file.createIfcSIUnit(None, "LENGTHUNIT", None, "METRE")])
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self.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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self.placement = self.file.createIfcLocalPlacement(None, self.origin)
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self.context = self.file.createIfcGeometricRepresentationContext(None, "Model", 3, 1.0e-05, self.origin)
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self.subcontext = self.file.createIfcGeometricRepresentationSubcontext(
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"Body", "Model", None, None, None, None, self.context, None, "MODEL_VIEW", None
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)
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self.project = self.file.create_entity(
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"IfcProject",
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**{
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"GlobalId": ifcopenshell.guid.new(),
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"Name": "DXF Conversion",
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"RepresentationContexts": [self.context],
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"UnitsInContext": units,
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}
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)
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self.site = self.file.create_entity(
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"IfcSite",
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**{"GlobalId": ifcopenshell.guid.new(), "Name": "DXF Conversion Site", "ObjectPlacement": self.placement}
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)
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self.file.createIfcRelAggregates(ifcopenshell.guid.new(), None, None, None, self.project, [self.site])
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dxf2ifc = Dxf2Ifc()
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dxf2ifc.execute()
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