public void ExtrudeAndRevolveTest()
{
//Set up project hierarchy
IfcProject project = IfcInit.CreateProject(null, null, null);
IfcSite site = IfcInit.CreateSite(null, null, null);
project.Aggregate(site, null);
IfcBuilding building = IfcInit.CreateBuilding(null, null, null, null);
site.Aggregate(building, null);
IfcBuildingStorey storey = IfcInit.CreateBuildingStorey(null, null, null, null);
building.Aggregate(storey, null);
//Create shape representation
// -- extruded profile shape
IfcPolyline outerCurve = IfcGeom.CreatePolyLine(new List <double[]>()
{
new double[] { -0.5, -0.5 },
new double[] { -0.5, 0.5 },
new double[] { 0.5, 0.5 },
new double[] { 0.5, -0.5 },
new double[] { -0.5, -0.5 }
});
IfcProfileDef profileDef = new IfcArbitraryClosedProfileDef(IfcProfileTypeEnum.AREA,
null,
outerCurve);
IfcRepresentationItem extrudedRepresentation = profileDef.Extrude(1).Rotate(new double[] { 45, 0, 45 }).Translate(new double[] { -2, 0, 0 });
// -- revolved profile shape
IfcRepresentationItem revolvedRepresentation = profileDef.Revolve(-45,
new IfcAxis1Placement(new IfcCartesianPoint(1, 0, 0),
new IfcDirection(0, 1, 0)),
null);
//Create product with representation and place in storey
var contextEnum = project.RepresentationContexts.GetEnumerator();
contextEnum.MoveNext();
IfcShapeRepresentation shapeRepresentation =
new IfcShapeRepresentation(contextEnum.Current,
new IfcLabel("extruded square"),
new IfcLabel("SweptSolid"),
new IfcRepresentationItem[] { extrudedRepresentation, revolvedRepresentation });
IfcProxy product = IfcInit.CreateProxy(null, null, null, storey.ObjectPlacement, null);
product.Representation = new IfcProductDefinitionShape(null, null, new IfcRepresentation[] { shapeRepresentation });;
storey.Contains(product, null);
//Write to IFC file
using (FileStream fs = File.Create("./swept_geom_test.ifc"))
{
project.SerializeToStep(fs, "IFC2X3", null);
}
}
public void BooleanOperatorTest()
{
//Set up project hierarchy
IfcProject project = IfcInit.CreateProject(null, null, null);
IfcSite site = IfcInit.CreateSite(null, null, null);
project.Aggregate(site, null);
IfcBuilding building = IfcInit.CreateBuilding(null, null, null, null);
site.Aggregate(building, null);
IfcBuildingStorey storey = IfcInit.CreateBuildingStorey(null, null, null, null);
building.Aggregate(storey, null);
//Create shape representation
IfcCsgPrimitive3D union_first = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(0, 0, 0), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcCsgPrimitive3D union_second = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(0.5, 0.5, 0.5), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcRepresentationItem unionRepresentation = union_first.Union(union_second);
IfcCsgPrimitive3D diff_first = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(2, 0, 0), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcCsgPrimitive3D diff_second = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(2.5, 0.5, 0.5), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcRepresentationItem diffRepresentation = diff_first.Difference(diff_second);
IfcCsgPrimitive3D inter_first = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(4, 0, 0), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcCsgPrimitive3D inter_second = new IfcBlock(new IfcAxis2Placement3D(new IfcCartesianPoint(4.5, 0.5, 0.5), null, null),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1),
new IfcPositiveLengthMeasure(1));
IfcRepresentationItem interRepresentation = inter_first.Intersection(inter_second);
IfcPolyline outerCurve = IfcGeom.CreatePolyLine(new List <double[]>()
{
new double[] { 6, 0 },
new double[] { 6, 1 },
new double[] { 7, 1 },
new double[] { 7, 0 },
new double[] { 6, 0 }
});
IfcProfileDef profileDef = new IfcArbitraryClosedProfileDef(IfcProfileTypeEnum.AREA,
null,
outerCurve);
IfcSweptAreaSolid cut_reference = profileDef.Extrude(1);
IfcPlane plane = IfcGeom.CreatePlane(new double[] { 6.5, 0.5, 0 },
new double[] { 1, 1, 0 });
IfcRepresentationItem cutRepresentation = cut_reference.ClipByPlane(plane);
//Create product with representation and place in storey
var contextEnum = project.RepresentationContexts.GetEnumerator();
contextEnum.MoveNext();
IfcShapeRepresentation shapeRepresentation =
new IfcShapeRepresentation(contextEnum.Current,
new IfcLabel("union shape"),
new IfcLabel("BooleanResult"),
new IfcRepresentationItem[] { unionRepresentation, diffRepresentation, interRepresentation, cutRepresentation });
IfcProxy product = IfcInit.CreateProxy(null, null, null, storey.ObjectPlacement, null);
product.Representation = new IfcProductDefinitionShape(null, null, new IfcRepresentation[] { shapeRepresentation });
storey.Contains(product, null);
//Write to IFC file
using (FileStream fs = File.Create("./constructive_geom_test.ifc"))
{
project.SerializeToStep(fs, "IFC2X3", null);
}
}
