is it not possible in pov to render only a portion of the screen? if it is 
it should be possible to hack a simple script together to do network 
rendering. bmrt comes with a script that does this (have one comp render a 
portion of the screen, another comp render another portion, etc then all 
the images are assembled by an external program)

chr### [at] maccom (Chris Huff) wrote in <chrishuff-
B8696F.11542328062000@news.povray.org>:

>In article <8F617F84Elavendersmith@204.213.191.228>, 
>lav### [at] hotmailcom (lavender) wrote:
>
>> Computers have been networked not for a long time. The internet is 
>> almost every where. If programs are not written for networks they 
>> might as well stay in dos. They will not be of use. Povray is know 
>> for doing things that other programs can not yet. But Povray in all 
>> of its power can not even brake up the image into chunks and pass 
>> those to nodes to render and return the part of the image. This IS a 
>> simple venture. I have built an external system to do just this but 
>> it is clumsey. Even simpler is to send frames out to different 
>> systems. This would help also. This is something the povray team 
>> should have already done. I know the program is free but honer and 
>> pride in work along with integraty should have driven them to write a 
>> completely modern application. As for money they can talk to me about 
>> that.
>
>It is not as easy as you seem to think...there is a lot of data that 
>needs to be shared, the code isn't built with this type of rendering in 
>mind, so most of the code would need to be rewritten, and the solution 
>needs to be cross-platform. Also, there are certain things like noise 
>and data generated on the fly which would need to be synchronized 
>somehow. Add the need for testing, and it is pretty obvious why it 
>hasn't been done yet.
>Distributing frames to render is much easier, but still has problems-all 
>the frames up to the current one would have to be parsed, since a frame 
>may depend on the frames before it.
>
>The POV-Team will probably at least make preparations for network 
>rendering features in POV 4, but that will be a complete rewrite in C++.
>

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