private static IfcShellBasedSurfaceModel ToIfcShellBasedSurfaceModel(this Lamina lamina, Document doc)
{
var plane = lamina.Perimeter.Plane().ToIfcPlane(doc);
var outer = lamina.Perimeter.ToIfcCurve(doc);
var bplane = new IfcCurveBoundedPlane(plane, outer, new List <IfcCurve> {
});
var bounds = new List <IfcFaceBound> {
};
var loop = lamina.Perimeter.ToIfcPolyLoop(doc);
var faceBounds = new IfcFaceBound(loop, true);
bounds.Add(faceBounds);
var face = new IfcFaceSurface(bounds, bplane, true);
var openShell = new IfcOpenShell(new List <IfcFace> {
face
});
var shell = new IfcShell(openShell);
var ssm = new IfcShellBasedSurfaceModel(new List <IfcShell> {
shell
});
doc.AddEntity(plane);
doc.AddEntity(outer);
doc.AddEntity(bplane);
doc.AddEntity(loop);
doc.AddEntity(faceBounds);
doc.AddEntity(face);
doc.AddEntity(openShell);
return(ssm);
}
static void Main(string[] args)
{
DatabaseIfc db = new DatabaseIfc(ModelView.Ifc4DesignTransfer);
IfcBuilding building = new IfcBuilding(db, "IfcBuilding")
{
};
IfcProject project = new IfcProject(building, "IfcProject", IfcUnitAssignment.Length.Millimetre)
{
};
IfcMaterial material = new IfcMaterial(db, "Concrete");
IfcStructuralAnalysisModel analysisModel = new IfcStructuralAnalysisModel(building, "Analysis Model", IfcAnalysisModelTypeEnum.LOADING_3D);
double y = -1309.6875;
IfcCartesianPoint point = new IfcCartesianPoint(db, -3968.75, y, 3000.0);
IfcPlane plane = new IfcPlane(new IfcAxis2Placement3D(point, db.Factory.YAxisNegative, db.Factory.XAxis));
List <IfcFaceBound> bounds = new List <IfcFaceBound>();
List <IfcCartesianPoint> points = new List <IfcCartesianPoint>();
points.Add(point);
points.Add(new IfcCartesianPoint(db, 3071.25, y, 3000.0));
points.Add(new IfcCartesianPoint(db, 3071.25, y, 0.0));
points.Add(new IfcCartesianPoint(db, -3968.75, y, 0.0));
bounds.Add(new IfcFaceOuterBound(new IfcPolyloop(points), true));
points.Clear();
points.Add(new IfcCartesianPoint(db, 551.25, y, 1000.0));
points.Add(new IfcCartesianPoint(db, -448.75, y, 1000.0));
points.Add(new IfcCartesianPoint(db, -448.75, y, 2000.0));
points.Add(new IfcCartesianPoint(db, 551.25, y, 2000.0));
bounds.Add(new IfcFaceBound(new IfcPolyloop(points), true));
IfcFaceSurface face = new IfcFaceSurface(bounds, plane, true);
IfcStructuralSurfaceMember surfaceMember = new IfcStructuralSurfaceMember(analysisModel, face, material, 1, 200);
DirectoryInfo di = Directory.GetParent(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location));
di = Directory.GetParent(di.FullName);
db.WriteFile(Path.Combine(di.FullName, "surfaceMember.ifc"));
db.WriteFile(Path.Combine(di.FullName, "surfaceMember.ifcxml"));
db.WriteFile(Path.Combine(di.FullName, "surfaceMember.ifcjson"));
}