protected override void setJSON(JObject obj, BaseClassIfc host, SetJsonOptions options)
{
base.setJSON(obj, host, options);
obj["Directrix"] = Directrix.getJson(this, options);
obj["Inclinating"] = Inclinating.getJson(this, options);
}
/// <summary>
/// Return geometry for a particular representation item.
/// </summary>
/// <param name="shapeEditScope">The geometry creation scope.</param>
/// <param name="lcs">Local coordinate system for the geometry.</param>
/// <param name="guid">The guid of an element for which represntation is being created.</param>
/// <returns>The created geometry.</returns>
protected override IList <GeometryObject> CreateGeometryInternal(
IFCImportShapeEditScope shapeEditScope, Transform lcs, Transform scaledLcs, string guid)
{
Transform objectPosition = (lcs == null) ? Position : lcs.Multiply(Position);
CurveLoop baseProfileCurve = Directrix.GetCurveLoop();
if (baseProfileCurve == null)
{
return(null);
}
CurveLoop trimmedDirectrix = IFCGeometryUtil.TrimCurveLoop(baseProfileCurve, StartParameter, EndParameter);
if (trimmedDirectrix == null)
{
return(null);
}
CurveLoop trimmedDirectrixInLCS = IFCGeometryUtil.CreateTransformed(trimmedDirectrix, objectPosition);
// Create the sweep.
double startParam = 0.0; // If the directrix isn't bound, this arbitrary parameter will do.
Transform originTrf = null;
Curve firstCurve = trimmedDirectrixInLCS.First();
if (firstCurve.IsBound)
{
startParam = firstCurve.GetEndParameter(0);
}
originTrf = firstCurve.ComputeDerivatives(startParam, false);
if (originTrf == null)
{
return(null);
}
Transform referenceSurfaceLocalTransform = ReferenceSurface.GetTransformAtPoint(originTrf.Origin);
Transform referenceSurfaceTransform = objectPosition.Multiply(referenceSurfaceLocalTransform);
Transform profileCurveLoopsTransform = Transform.CreateTranslation(originTrf.Origin);
profileCurveLoopsTransform.BasisX = referenceSurfaceTransform.BasisZ;
profileCurveLoopsTransform.BasisZ = originTrf.BasisX.Normalize();
profileCurveLoopsTransform.BasisY = profileCurveLoopsTransform.BasisZ.CrossProduct(profileCurveLoopsTransform.BasisX);
ISet <IList <CurveLoop> > profileCurveLoops = GetTransformedCurveLoops(profileCurveLoopsTransform);
if (profileCurveLoops == null || profileCurveLoops.Count == 0)
{
return(null);
}
SolidOptions solidOptions = new SolidOptions(GetMaterialElementId(shapeEditScope), shapeEditScope.GraphicsStyleId);
IList <GeometryObject> myObjs = new List <GeometryObject>();
foreach (IList <CurveLoop> loops in profileCurveLoops)
{
GeometryObject myObj = GeometryCreationUtilities.CreateSweptGeometry(trimmedDirectrixInLCS, 0, startParam, loops, solidOptions);
if (myObj != null)
{
myObjs.Add(myObj);
}
}
return(myObjs);
}
