On Wed, 19 Jan 2000 20:21:21 -0500, Andrea Ryan <ary### [at] global2000net>
wrote:

>Is there any way of finding the height of a height field at a given
>point?
>Brendan Ryan

You can do it in the official version but it's quite a heavier
solution than using trace(). Convert the hf source picture to ppm,
then use search/replace to replace all white space with commas, and
then use the file i/o functions in POV to read it into a 2D array.


Peter Popov
pet### [at] usanet
ICQ: 15002700

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