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Op 18/12/2019 om 00:50 schreef tmelram:
> Hi, I'm trying to create a movie projector and have it project an image onto
> onto other surfaces. I'd also like to have a cone shape volumetric effect for
> the dust in the air near the projector. How would I go about this in POV Ray?
>
>
Just thinking aloud, I would suggest to try the following:
1) use a spot light
2) as an image, use a plane/box intersection with an appropriate
image_map, using some transparency
3) test how this projects upon a white screen (thin box or equivalent);
probably not good enough (see below)
4) for dust in the air, use an isotropic scattering media
I don't know how this would work out, especially the projection on the
screen. You might probably need to add/construct a lens with an
appropriate interior and especially ior.
--
Thomas
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