[PD] fixing distortion on surface

[marius schebella]

maybe there is a possibility to use shaders to combine the images with 
something like a bumpmap. some game engines like quake3 use similar 
techniques (it has to do with normals).
but I have absolutely no idea how that is done.
marius.

chris clepper wrote:
> If you have accurately measured the distortion you can correct it by 
> rendering the entire scene offscreen then mapping it onto corrected 
> geometry.  You could also do it by sight with less exact results.
> 
> I have seen this done perfectly once for a hemispherical projection 
> system designed for DoD weapons simulations.  The guys who made the 
> system are/were some of the top optics engineers in the world, so they 
> made it look easy.
> 
> On 5/16/07, *punchik punchik* <punchikk at yahoo.com 
> <mailto:punchikk at yahoo.com>> wrote:
> 
>     hi is there any way of fixing the distorion i get when
>     i project gem
>     visuals in curved or irregular surfaces?
>     is there any trick?
> 
>     thanks
> 
> 
>     pun
> 
> 
> 
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