mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 09:48:32 +00:00
Dion Moult
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
import ifcopenshell
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import bpy
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template_file = '/home/dion/Projects/blender-bim-ifc/template.ifc'
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output_file = '/home/dion/Projects/blender-bim-ifc/output.ifc'
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f = ifcopenshell.open(template_file)
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origin = f.by_type("IfcAxis2Placement3D")[0]
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owner_history = f.by_type("ifcownerhistory")[0]
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context = f.createIfcGeometricRepresentationContext(
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None, "Model",
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3, 1.0E-05,
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origin,
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f.createIfcDirection((0., 1., 0.)))
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subcontext = f.createIfcGeometricRepresentationSubContext(
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"Body", "Model",
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None, None, None, None,
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context, None, "MODEL_VIEW", None)
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project = f.createIfcProject(
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ifcopenshell.guid.new(),
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owner_history,
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'Name', None,
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None, None, None, [context],
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f.by_type("IfcUnitAssignment")[0])
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building_placement = f.createIfcLocalPlacement(None, origin)
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building = f.createIfcBuilding(
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ifcopenshell.guid.new(),
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owner_history, 'My building', None, None,
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building_placement,
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None, None, 'ELEMENT', None, None, None)
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building_storey_placement = f.createIfcLocalPlacement(building_placement, origin)
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building_storey = f.createIfcBuildingStorey(
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ifcopenshell.guid.new(),
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owner_history, 'Ground floor', None, None,
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building_storey_placement, None, None, 'ELEMENT', None)
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f.createIfcRelAggregates(
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ifcopenshell.guid.new(),
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owner_history, None, None, building, [building_storey])
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f.createIfcRelAggregates(
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ifcopenshell.guid.new(),
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owner_history, None, None, project, [building])
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ifc_products = []
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for object in bpy.context.selected_objects:
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ifc_vertices = []
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ifc_faces = []
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for vertice in object.data.vertices:
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ifc_vertices.append(
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f.createIfcCartesianPoint((vertice.co.x, vertice.co.y, vertice.co.z)))
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for polygon in object.data.polygons:
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ifc_faces.append(f.createIfcFace([
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f.createIfcFaceOuterBound(
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f.createIfcPolyLoop([ifc_vertices[vertice] for vertice in polygon.vertices]),
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True)]))
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representation = f.createIfcProductDefinitionShape(None, None,
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[f.createIfcShapeRepresentation(
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subcontext, 'Body', 'Brep',
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[f.createIfcFacetedBrep(f.createIfcClosedShell(ifc_faces))])])
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placement = f.createIfcLocalPlacement(building_storey_placement,
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f.createIfcAxis2Placement3D(
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f.createIfcCartesianPoint(
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(object.location.x, object.location.y, object.location.z))))
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ifc_products.append(f.createIfcBuildingElementProxy(
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ifcopenshell.guid.new(),
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owner_history, object.name, None, None, placement, representation, None, None))
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f.createIfcRelContainedInSpatialStructure(
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ifcopenshell.guid.new(), owner_history, None, None, ifc_products, building_storey)
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f.write(output_file) |