Having some trouble with photons.  My leds, which are under this opaque
surface, are supposed to be shining up through light pipes that you can see
coming through the surface.

Unfortunately, since I've converted the image for photons, the lights shine
partially through the surface.

The plastic (not the light pipes or buttons):

#declare COLOR_0 = PMS432_Tex_ABS;
#include "slp_may10\bottom_housing.inc"
object {BOTTOM_HOUSING
        photons{target reflection on refraction off collect on}
        }

One of the LEDs, located below the plastic:

#declare LED_Brite = 25;

light_source { <0,0,0> color Green * LED_Brite
                photons { refraction on reflection on area_light }
                spotlight point_at <0,1,0> tightness 10 radius 0.1 falloff
20
                looks_like {Green_LED}
                translate<-2.6,0.2,-0.35>
                }

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Download 'photons.JPG' (20 KB)

Preview of image 'photons.JPG'