public void CreateProductIfc(ProductIfcRequest request,
Stream outputStream)
{
IfcPerson person = IfcInit.CreatePerson(request.owner.person.givenName,
request.owner.person.familyName,
request.owner.person.identifier);
IfcOrganization organization =
IfcInit.CreateOrganization(request.owner.organization.name,
request.owner.organization.description,
request.owner.organization.identifier);
IfcOrganization applicationOrganization =
IfcInit.CreateOrganization(request.owner.application.organization.name,
request.owner.application.organization.description,
request.owner.application.organization.identifier);
IfcApplication application =
IfcInit.CreateApplication(applicationOrganization,
request.owner.application.version,
request.owner.application.name,
request.owner.application.identifier);
IfcOwnerHistory ownerHistory =
IfcInit.CreateOwnerHistory(person, organization, application);
IfcProject project = IfcInit.CreateProject(request.project.name,
request.project.description,
ownerHistory);
IfcSite site = IfcInit.CreateSite(null, null, ownerHistory);
project.Aggregate(site, ownerHistory);
IfcBuilding building =
IfcInit.CreateBuilding(null, null, ownerHistory, site.ObjectPlacement);
site.Aggregate(building, ownerHistory);
IfcBuildingStorey storey =
IfcInit.CreateBuildingStorey(null, null, ownerHistory, building.ObjectPlacement);
building.Aggregate(storey, ownerHistory);
IfcProduct product;
switch (request.product.type)
{
default:
product = IfcInit.CreateProxy(request.product.name,
request.product.description,
ownerHistory,
storey.ObjectPlacement,
null);
break;
}
List <IfcRepresentationContext> contextList =
new List <IfcRepresentationContext> (project.RepresentationContexts);
product.Representation =
CreateProductRepresentation(contextList, request.product.representations);
storey.Contains(product, ownerHistory);
project.SerializeToStep(outputStream, request.schema.ToString(), null);
return;
}
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);
}
}