Description:

Calculates the U, V, and N directions of a NURBS surface control point similar to the method used by Rhino's MoveUVN command.

Syntax:
public bool UVNDirectionsAt(
int u,
int v,
out Vector3d uDir,
out Vector3d vDir,
out Vector3d nDir
)
Parameters:
  • u
  • Type: int
  • Index of control-point along surface U direction.
  • v
  • Type: int
  • Index of control-point along surface V direction.
Returns:
Type: bool
True if successful, False otherwise.
Available since:
7.0
Nothing found