At 15:37 19.01.2005, chris clepper wrote:
pix_aging will put some 'noise' and scratches over your video.
well yes. allready looked up pix_aging. but somehow i wasn`t really happy with its results. what i am looking for is not dust and scratches but filmgrain. the grain pix_aging produces is not really fine structured. but anyway. i think i will try around a little more.
The particle system is somewhat analogous to granular synthesis for 3D.
well the particle system would be a good thing. but there is the problem with openGl. a 3dimensional particle system (well maybe not in commercial 3d applications) tend to be more like little lines then concrete pixels. what i am looking for is something like a 2d particle system which can be textured on geos. i think that could bring nice results in grain generation.
thanks for tips regards wolfgang
Are either of those close to what you have in mind?
cgc
On Jan 19, 2005, at 6:19 AM, wolfgang schwarzenbrunner wrote:
hi
i am recently looking for a nice way to create quite fine structured graphical noise in gem. it should be controllable in speed as well as in grain size. well in general it should really be a noise generater. more something like a film grain generator.
anyone ever succeeded in building such a thing? i would be happy for any hints. maybe a grain object would be something for to do lists.
regards wolfgang
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