private static IfcSurfaceCurveSweptAreaSolid ToIfcSurfaceCurveSweptAreaSolid(this Sweep sweep, Document doc)
{
var position = new Transform().ToIfcAxis2Placement3D(doc);
var sweptArea = sweep.Profile.Perimeter.ToIfcArbitraryClosedProfileDef(doc);
var directrix = sweep.Curve.ToIfcCurve(doc);
var profile = new IfcArbitraryOpenProfileDef(IfcProfileTypeEnum.CURVE, directrix);
var extrudeDir = Vector3.ZAxis.ToIfcDirection();
var extrudeSurfPosition = new Transform(0, 0, -100).ToIfcAxis2Placement3D(doc);
doc.AddEntity(extrudeSurfPosition);
var surface = new IfcSurfaceOfLinearExtrusion(profile, position, extrudeDir, 100);
// You must use the version of this constructor that has position, startParam,
// and endParam. If you don't, ArchiCAD (and possibly others) will call
// the geometry invalid.
var solid = new IfcSurfaceCurveSweptAreaSolid(sweptArea, position, directrix, 0, 1, surface);
doc.AddEntity(position);
doc.AddEntity(sweptArea);
doc.AddEntity(directrix);
doc.AddEntity(extrudeDir);
doc.AddEntity(profile);
doc.AddEntity(surface);
doc.AddEntity(solid);
return(solid);
}
private static ICurve ToCurve(this IfcArbitraryOpenProfileDef profile)
{
return(profile.Curve.ToCurve(false));
}
/// <summary>
/// Convert an IfcArbitraryOpenProfileDef to an ICurve.
/// </summary>
/// <param name="profile"></param>
/// <returns></returns>
public static ICurve ToICurve(this IfcArbitraryOpenProfileDef profile)
{
return(profile.Curve.ToICurve());
}
