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Sabrina Kilian <ski### [at] vt edu> wrote:
> gharryh wrote:
> > Is it possible to print PovRay in 3D.
> > Should i use a special converter?
> >
> > Harry H. Arends
> >
> >
>
> Directly, no. A raytracer alone will not let you print something.
>
> What you can do is take the object you want to print, and create a
> series of thin orthographic pictures with the camera looking straight on
> from a fixed position. To get the slices that (most) 3D printers use,
> you would find the intersection between the object you want to print and
> a very thin cube perpendicular to the camera. Depending on the 3D
> printer, you will probably avoid using any colored textures, and want to
> use just a black and white image.
>
> The difficult part is making sure that there is enough solid space
> inside the object to support it as it is printed. This depends on the
> printer you are using, and the technology it uses.
>
> Now, if you have a 3D printer that understands some 3D file format and
> not just a series of images, that's a whole different beast. Some
> information about the printer would be useful in helping you with this.
There is an inside function which afaik works for all solid objects (non solid
objects could not be printed anyway). So you could just loop over discrete
points in your scene and check whether they are inside some geometry or not.
After all it comes down to which format you need your scene to be in in order to
be printed.
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