Description Sets the properties of the specified Specular Importance Sampling specification.
Syntax ImpSampSetSpecular n, indx, angle
Parameters n As Long Node number of the surface.
indx As Long The index (zero based) of the importance sampling specification.
angle As Double Sets the semi-angle (in degrees) of the solid angle cone for the importance sampling specification.
Remarks This subroutine sets the properties of the Specular Importance Sampling specification. If the type was not previously "Specular", or if there is another problem, the subroutine sets an error and returns without modifying the Importance Sampling specification.
See Also Examples
|