You might want to look into Silo, which is a 3D modeling, retopology, yada yada
program that I just heard about. It sells for just over $100, supports input of
..dxf, .obj, .3ds, and outputs .pov format. I have not tried it, and I do not
know how far behind on version they are, whether they support mesh or true Pov,
but there it is.

clipka <ano### [at] anonymousorg> wrote:
> Am 08.07.2014 18:04, schrieb bakom:
> > There are 21 formats in which I can convert my file. Formats are
> > acad, dot, dxf, egg, euclid, euclid2, iges, jack, nff, nmg, obj, off, raw,
> > shell-rect, step, stl, tankill, var, voxel, vrml, x3d.
> >
> > I am using BRL-CAD to make models and store it in .g file. I want to import this
> > BRL-CAD model into POV-ray.
> > Which formats should I choose from above 21 formats, so that I can first convert
> > my BRL-CAD model into that format and then convert it into .pov format to get
> > model with proper accuracy and with less damage to my model.
>
> Probably the most widely used path to get 3D data from 3rd party
> software into POV-Ray is via the mesh-based .obj format (and the most
> widely used tool for that job is probably PoseRay).
>
> However, a quick glance at the Internet suggests that BRL-CAD also uses
> other model representations aside from the mesh format, and from the
> quality point of view it would be desirable to import those directly
> into POV-Ray without converting them to meshes first.
>
> Unfortunately, the vast majority of tools that can convert to POV-Ray
> format only support meshes; maybe one of the major reasons for this is
> that an almost universally supported, simple file format with easily
> accessible documentation - like .obj in the mesh world - doesn't seem to
> exist in the CSG world; the most universal formats appear to be iges
> (.igs) and step (.stp), but both have a much wider scope than just 3D
> geometry, and documentation of the file formats seems hard to come by.
>
> The BRL-CAD documentation mentions the possibility to write your own
> exporter, which might be the best choice in this case. After all, the
> POV-Ray format is quite easy to generate.

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