public virtual Vector3d Project(Vector3d vPoint, int identifier = -1)
{
int tNearestID = Spatial.FindNearestTriangle(vPoint);
var triangle = new Triangle3d();
Mesh.GetTriVertices(tNearestID, ref triangle.V0, ref triangle.V1, ref triangle.V2);
Vector3d nearPt, bary;
DistPoint3Triangle3.DistanceSqr(ref vPoint, ref triangle, out nearPt, out bary);
return(nearPt);
}
/// <summary>
/// Find distance from point to mesh
/// Returns interpolated vertex-normal frame if available, otherwise tri-normal frame.
/// </summary>
public static double NearestPointDistance(DMesh3 mesh, ISpatial spatial, Vector3d queryPoint, double maxDist = double.MaxValue)
{
int tid = spatial.FindNearestTriangle(queryPoint, maxDist);
if (tid == DMesh3.InvalidID)
{
return(double.MaxValue);
}
Triangle3d tri = new Triangle3d();
mesh.GetTriVertices(tid, ref tri.V0, ref tri.V1, ref tri.V2);
Vector3d closest, bary;
double dist_sqr = DistPoint3Triangle3.DistanceSqr(ref queryPoint, ref tri, out closest, out bary);
return(Math.Sqrt(dist_sqr));
}