Chris Huff wrote in message ...
>In article <38bcf2c7@news.povray.org>, Nieminen Juha
><war### [at] sarakerttunencstutfi> wrote:
>
>>   Isn't there some kind of proximity patch? Can't it be used for
>> displacement calculations?
>
>I wrote a proximity pattern which is included in MegaPOV, it calculates
>a value which depends on the distance from the surface of an object by
>shooting rays at it...I am not sure how good it would be for
>displacements though. It might just be too slow for an isosurface,
>unless it could be calculated once and output as a density file.


Use eval_pattern() or eval_pigment() on the proximity pattern to scan the
image and output the voxels to a df3 file.

Mark

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