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dogfood 08-11-2009 01:39 PM

rendering a circular projector screen
 
Hi,
i'd like to create a 360 degree projector screen, actually the inner side of a cylinder. The projectors are in the middle of the cylinder.

The image shouldn't be actually projected, it's enough if it looks like that. I wonder what's the best approach to achieve this effect. I suppose the screen should be some sort of a light source itself to have a constant luminosity throughout and not to be affected by the lighting of the scene.

Any help highly appreciated.

NextDesign 08-11-2009 05:11 PM

Create a new lambert material. Set the color to black. Map a file texture onto the incandescence slot, and choose the image you want projected. Go back to the material, and under hardware texturing, set the first drop down to incandescence.

That should be what you're after.

dogfood 09-11-2009 10:19 AM

Many thanks, mate, i'll go try it out now.

dogfood 09-11-2009 01:34 PM

I might be doing something wrong but there's no such option under hardware texturing. (see attached screenshot). I'm using maya 2010.

http://morfon.hu/temp/hwt.gif

Anyways the texture seems to work, at least with mental ray (though not with maya software)

Chirone 09-11-2009 08:25 PM

what about hardware shading?

dogfood 10-11-2009 01:51 PM

seems to be ok, for some reason there's a lot more settings under hw texturing now. i didn't actually change anything just reopened the scene. it looks perfect, thanks for your help.

NextDesign 12-11-2009 02:31 PM

No problem mate. :)


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