However is it so large scene (18,000*9,000)? It requires only 500MB, and
2GB RAM may be enough to handle it.
At some time in the past, Stitcher had used an external module
(enblend?) from a shell window to do the blending, so it was possible to
take a look at what that module actually did. It allocated at least 4-5
times of the original image for buffers, and Stitcher turned every input
image into a 18000x9000 file with an alpha channel. Enblend would then
start to layer each of these 37 files (~600 MB uncompressed each) on top
of each other, which in turn caused the excessive need for RAM (or,
lacking that, the need for swap files or tiling down the process).
All this seems to have been improved upon in the latest version
(possibly using only relevant part of the images or something?)
Even the progress bars are at least in the ballpark now :)
You wrote you're using Cinema 4D to render the final panorama. I recall
you render cube faces from Cinema? I haven't found a way to create an
equirectangular output from C4D directly, only cylindrical.
I'm asking because i'm storing my archive files in equirectangular
format, and i do have Cinema, too (though i'm using it in the usual way,
not as panorama render tool).
Also, my panorama hardware isn't that precise to start with, and C4D
isn't exactly known for its stitching abilities ... :)
-Markus
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