Re: How MR cooks together final image

[Tauno Ööbik <tauno(at)joonisfilm.ee>]

Ok, good to know. But the question still remains :/
Or I'll try to rephrase my question. What should I investigate to get 
better understanding about the requirements of compositing right layers 
in right order. Of course, before comping right stuff needs to be 
output. Should I look to renderman world for it. Is there more info 
available? Since everywhere in facilities guys are comping together 
complex scenes. Where from do they gain that knowledge. Only cause some 
guys in the " inner circle" know about it and are only sharing it to 
other who also are in the "circle"?

-T


Andy Nicholas wrote:
> Mental ray doesn't composite layers to produce the final image. Mental ray
> illumination shaders like Blinn only have one output (color), they don't
> channel the components out to separate channels to be composited later. 
>
> Don't get confused by the user framebuffers. Shaders will write to them only
> when requested to. They don't form part of the rendering pipeline to produce
> the final image.
>
> Andy
>
>
> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of
> Tauno Ööbik
> Sent: 28 March 2007 18:56
> To: XSI(at)Softimage.COM
> Subject: How MR cooks together final image
>
> Where from can I learn more about the topic how MR internaly builds together
> final image. IE in what order does it calculate sub-passes, and in the end
> how does it put together all the layers together for final image. I am
> looking that info to get better understanding about the internals of MR and
> in the end to use that info to put together more efficient passes for
> compositing.
>
> I already took a look to the well known book called "Rendering with Mental
> Ray" but unfortunately this topic is covered insufficiently there. Or I
> missed the right spot :)
>
> Unfortunately, right now I learned more about that topic from here then from
> that book:
> http://www.jupiter-jazz.com/wordpress/wp-content/data/tr4kv2/html/chapter3-S
> OFTHARD.html
>
> I just wanna shorten my work days which are growing way tooo long as the bar
> needs to be risen again and again constantly.
>
>
> Thanks a bunch,
> -T
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