Double[] IBaseGeoFace.NormalAtParam(Double u, Double v)

Returns the normal vector for the given parameter values on the face.

Parameters

  • u
    Type: Double
    The -u- parameter component value.
  • v
    Type: Double
    The -v- parameter component value.

Return Value

Type: Double[]
Returns an array of normal vectors (x,y,z) corresponding to the specified parameter u and v values.