POV-Ray : Newsgroups : povray.pov4.discussion.general : New feature : Re: New feature Server Time
21 Feb 2024 22:25:03 EST (-0500)
  Re: New feature  
From: JayWiz
Date: 2 Feb 2009 22:55:01
Message: <web.4987bf93805a7c7e33c87b060@news.povray.org>
"clipka" <nomail@nomail> wrote:
> "JayWiz" <nomail@nomail> wrote:
> > Is there some way we could have a prism type that would allow
> > curves instead of straight lines?. I know all about the other line types, but
> > frankly they are cumbersome. Ideally I would like to reads in the DXF
> > polyline and then use it in a prism.
>
> I have no idea about the DXF polyline, but doesn't any of the linear_spline /
> quadratic_spline / cubic_spline / bezier_spline prism types do the job?
>
> Then again, it seems that your problem is not so much how to represent it in
> POV-Ray scene language, but the workflow of getting it from DXF to there
> without going via braindead triangle meshes, right?
>
>
> Maybe it's time for a project aimed at getting different file formats converted
> to POV SDL without reducing POV to a mere mesh renderer (after all, it *can* do
> spline-based prisms, it *can* do bezier patches, it *can* do... well, quite a
> lot.
>
> .... or maybe even "include" them directly from SDL somehow?
>
>
> > The rendering I have done have been impressive to the architects and owners
> > and they all ask if I used AutoCAD...no, I say, I use POVRay!
>
> Heh, great to hear - looks like it is *some* good after all ;)

The normal lathe uses straight lines to connect the "dots". If a curve could be
used then the polyline object from autocad (or TurboCAD which I also use) could
be easily translated. The other lathe types are not really condusive to the
objects I use. I have attached a sample image of what I show to customers and
P&D for their use.

Jay


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