Ilya Razmanov <ily### [at] gmailcom> wrote:
> On 30.11.2023 16:59, jr wrote:
>
> > for data "extrapolated" from a 64x64 image, that last image looks real good I
> > think.  wondering if the calculation could not be done in SDL ?
>
> For this to be done within POVRay only, I need:
> 1) POVRay opening image as some sort of array with easy access to any
> pixel data I want
> 2) Not only math but some programming (I need cycles first of all)

you can use an image as a pattern and you can use a pattern in a function. Then
you can sample the "image function" to fill arrays. But, the image will already
be interpolated.

ingo

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