Andycadd wrote:
> Disk buffering  .....  that is working in 3.6 currently?

There is no "disk buffering". What POV-Ray 3.6 and earlier do is write the
file to disk line by line. While POV-Ray 3.7 also writes the file in a
temporary format to disk to support a continue trace in case of a crash, it
further keeps a whole copy in memory as it will now write the final image to
disk at the end of the render, rather than write it incrementally and
(mis)use it as continue trace buffer like 3.6 and earlier did.

The problem with using any fixed image format for continue trace in 3.6 and
earlier is that image formats do not actually store all the information
necessary to properly continue a trace, in particular with anti-aliasing
enabled. Hence this problem has been addressed in 3.7.

> How come the windows virtual memory doesn't just pick this up?
> PLEASE excuse my ignorance.

Because you still only have 2 GB to 3GB (depending on Windows version) of
address space for a 32 bit application.

	Thorsten

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