//--------------------------------------------------------------------------------------------------
public static void UpdateFaceOrientation(TopoDS_Face face, Dir referenceDirection)
{
if (FaceAlgo.GetFaceCenterNormal(face).Direction.IsOpposite(referenceDirection, Maths.HalfPI))
{
face.Reverse();
}
}
//--------------------------------------------------------------------------------------------------
bool _FindParameters()
{
if (ReferenceFace == null)
{
Messages.Error("Reference face is not valid.");
return(false);
}
// Get Opface
var opFace = FaceAlgo.FindOppositeFace(SourceShape, ReferenceFace, farthest: true, FaceAlgo.FaceDistanceMethod.UseFacePlane);
if (opFace == null)
{
Messages.Error("Reference face has no opposite face, so it seems that the shape has no thickness.");
return(false);
}
if (_DebugOutput)
{
Messages.Trace($"Reference face index {SourceShape.Faces().IndexOf(ReferenceFace)}, " +
$"opposite face has index {SourceShape.Faces().IndexOf(opFace)}, " +
$"thickness is {SliceThickness}");
}
// Calc cutting plane
if (!(FaceAlgo.GetCenteredPlaneFromFace(ReferenceFace, out var cutPlane) &&
FaceAlgo.GetCenteredPlaneFromFace(opFace, out var opPlane)))
{
Messages.Error("Cannot create cutting plane from reference or opposite face.");
return(false);
}
SliceThickness = cutPlane.Distance(opPlane);
SliceDirection = cutPlane.Axis.Direction.Reversed();
_RefPlane = new Pln(new Ax3(cutPlane.Location, SliceDirection));
return(true);
}