Ronald L. Parker wrote:
> All textures, except halos, are like this.  All objects are treated as
> hollow "shells", so when a texture is transparent, the ray passes
> right through it and doesn't get checked again until it hits another
> object, or another side of the same object.  To do otherwise would be
> computationally prohibitive.

Makes sense. Thanks.

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|               Tim Riley                 |
|            Boulder, Colorado            |
|      E-mail:tri### [at] itsbldrdocgov      |
|     Per favore spenga le Sue scarpe     |
|  davanti abbandonare il nave spaziale.  |
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