"Bald Eagle" <cre### [at] netscapenet> wrote:

> And definitely the raymarching and signed distance function work of Inigo Quilez
> https://www.youtube.com/watch?v=s5NGeUV2EyU
> see the 4:00 mark.
>
> http://wiki.povray.org/content/User:Wfpokorny/DensityFile/TubulenceWarpsExamples
>

Lots of good information and links from everyone. I've already learned a lot and
found some great examples. I would like to get followup on two suggestions
though.

1) I would love to use the example from Inigo Quilez about rounding. Say I have
a simple function for a box used in an isosurface. How would I implement his
idea in povray to make the corners round? I tried changing the threshold of the
isosurface, but that doesn't do it. A simple example would be super helpful.

2) I also like how you can create df3 files and use them as a function from the
warp example. Is there any 3d modelers that can export df3? Are there other
programs/ways to create simple df3 files of simple shapes?

Josh

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