I tried a few different options but in the end Radiance HDR provided the best compatibility in the next step. Export from Autopano Giga in Radiance HDR format.I suspect at those resolutions a dedicated panoramatic head is required, and its associated stitching software. Either way, most likely not on anyone's radar, even mine. Theoretically this should work for any image size up to 300000x300000 (90GP), which is the maximum supported by Photoshop. It turns out I manged to find a way to tonemap this monster of an image. What software would appropriate for tonemapping an image this large? I'm a fan of Photomatix's control and the resulting images but it seems unable to handle such large images.
EASYHDR SAVE BEFORE PROCESSING PRO
Note that I have Photoshop, Autopano Giga and Photomatix Pro available currently, and possibly more from my university. tiff files and merging with Photomatix - Photomatix crashes immediately after (apparently) finishing the merge to HDR.
tiff as but this results in a file over the 4gb limit which is corrupt
hdr and tonemapping with Photomatix - Photomatix tries to save the. psb with layers - Photoshop's tone mapping won't deal with this I'd rather not tonemap before stitching as this has the potential to create uneven exposures, particularly across a 360 degree panorama. So far I've managed to decently assembled the panorama in Autopano Giga and render it a few times, but I'm unable to tonemap the resulting image. I've shot a 5 gigapixel 360 degree panorama, totaling around 1400 shots in a -1.3-0-+1.3 bracket, and I'm trying to stitch it and tone map it.
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