SurfaceEvaluator.GetNormalAtPoint Method
Parent Object: SurfaceEvaluatorDescription
Function that returns the normal vectors for the specified points.
Syntax
SurfaceEvaluator.GetNormalAtPoint( Points() As Double, Normals() As Double )Parameters
| Name | Type | Description |
| Points | Double | Input Double array that specifies the x,y,z values of the point(s) to calculate the normal vector(s) for. The array consists of x,y,z values where each triplet defines a point in the model space of the surface. The points specified must lie on the surface. |
| Normals | Double | Output Double array that contains the x,y,z components of the normal vector(s). A triplet containing the x,y,z components of each vector is returned for each input point. If an input point did not lie on the surface and a normal could not be computed, a zero length vector is returned. |