A novel idea: rendering-time G-buffers 2004-01-22 - By David Bell
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I think this would be a great tool too....
Yours,
David
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Nordwind53@(protected)
David E. Bell
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-- -- Original Message -- --
From: nospam2
To: joe_ashear
Sent: Thursday, January 22, 2004 7:51 AM
Subject: Re: [Carrara] A novel idea: rendering-time G-buffers
Bonjour joe_ashear,
Interesting idea !
May even be usefull for other things than rendering time.
For example, the G-buffer could be used in animation to highlight objects
depending on the amount of move since the previous frame.
Could be interesting to debug a scene as well.
Thursday, January 22, 2004, 1:05:57 PM, you wrote:
j> I had an interesting idea: just as you can make "G-buffers" that show
j> distance, or surface coordinates, imagine a rendering mode in which
j> each pixel is assigned a value based on how long it took to render
j> that pixel in the regular image. A bumpy, reflective object might
j> appear as a big white splotch, while everything else would be dark.
j> This could be very helpful in fine-tuning textures and lighting,
j> especially in animations. You might discover that a very subtle bump
j> map is slowing your rendering time considerably, so you might as well
j> get rid of it.
j> Taking it a step further, you could have separate channels for
j> reflections, bumps, glows, and so forth, so that you can analyze the
j> rendering time of each of them. I think 32 levels of grey would be
j> plenty for this, so it wouldn't have to consume a lot of memory.
j> And that's my idea
j> - Joe
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