> You are aware that you can delete files from SDL (depending 
> io-restrictions of course)?  Well - not exactly delete but reduce to 
> zero file size.  Just open them with #fopen in write mode.

Well... So I would start with 200GB mesh data on my disk, and when the 
renderer finished the disk would be nearly empty again.
I can't see how this should help if I don't have 200GB free disk space 
in the first place.

Sure, there are workarounds (the external application could try to 
produce the per-frame data while POV-Ray is still rendering the previous 
frame, and it could even communicate with the POV-Ray-script using 
external files or POV's shell-out option). The point is: this makes 
writing external applications that use POV-Ray merely as a renderer 
unnecessarily complicated.

-sascha

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