POV-Ray : Newsgroups : povray.binaries.images : Parametric problem: image : Re: Parametric problem: image Server Time
28 Sep 2024 17:14:17 EDT (-0400)
  Re: Parametric problem: image  
From: LanuHum
Date: 23 Aug 2015 09:15:01
Message: <web.55d9c668f3deb2877a3e03fe0@news.povray.org>
Stephen <mca### [at] aolcom> wrote:
> On 8/23/2015 5:39 AM, clipka wrote:
> >> You might want to try min_extent and max_extent to define the
> >> >contained_by box (can also be a sphere)
>
> > Unfortunately that won't help with this issue, as min_extent and
> > max_extent give you the extent of the object's bounding box (rather than
> > the object itself), which in case of parametrics is in turn simply based
> > on the contained_by object.
> >
>
> Interesting
>
> > One possible solution would be to evaluate some sample points from the
> > function set (possibly using an adaptive algorithm), and create the
> > contained_by box based on the range of the results (with some additional
> > margin).
> >
>
> This makes me think that Nekar's idea of creating a mesh is a starting
> point.
>
> If LanuHum could create and export a mesh of the object (declared but
> not called). PovRay could evaluate its bounding box and use those values
> as the parametrics contained by.
>
> --
>
> Regards
>      Stephen

This object was created by the Blender tool. If to use meshmaker, it is
necessary to specify the amount of bound boxing


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