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Dave Matthews wrote:
> John VanSickle <evi### [at] hotmail com> wrote:
>
>>Yes. Here's an entire POV file to demonstrate:
>>
>>Regards,
>>John
>
>
> OK, I see THAT it works (and by adding color_maps you can get all kinds of
> cool stuff); I'm still trying to puzzle out WHY it works.
>
>
Well you get that the cells pattern gives you random stepped colors
based on the map you feed it, right? So it is an easy way to have a)
random values, b) stepped values, meaning a cell is all one color c) a
regular grid pattern. (As someone else pointed out, you can get b), the
stepped effect, from other patterns too by manipulating the color_map)
John is nesting the cells pattern, as it were, within the hexagon
pattern. It's like the hexagon pattern is a sort of mask with the cells
pattern forming the color behind. I posted a similar thing here to get
random brick textures. His method for scaling and warping the cells
pattern to the hexagon pattern is typically ingenious however, and
opaque to me, naturally.
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