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  1. /* pointlight.sl - Standard point light source for RenderMan Interface.
  2.  * (c) Copyright 1988, Pixar.
  3.  *
  4.  * The RenderMan (R) Interface Procedures and RIB Protocol are:
  5.  *     Copyright 1988, 1989, Pixar.  All rights reserved.
  6.  * RenderMan (R) is a registered trademark of Pixar.
  7.  */
  8.  
  9. light k3d_pointlight(float intensity = 3000;
  10.              color lightcolor = 1;
  11.              point from = point "shader"(0, 0, 0);)
  12. {
  13.   illuminate(from) Cl = intensity * lightcolor / (L.L);
  14. }
  15.