Adobe has a exr2png ($) conversion utility but with limited options.īeware, the. exr format, and is the only image editor able to do it, as far as I found. STEP 3 - open the file.exr with Photoshop
#Photographic rendering with vray for sketchup pdf 32 bit#
"- bufsize 2000" sets the working buffer to 2GB of ram, and the bigger the better (speed wise), but exceeding 3000 caused crashes as this utility might be 32 bit only. "- half" parameter makes the conversion using 16 bit per channel instead of float 32, and not only is crucial to later conversions but reduces file size dramatically as it enable compression (from 3.7 GB to 70 MB in my case) exr.Įxample: vrimg2exr file.vrimg file.exr -half -bufsize 2000 Get chaosgroup utility vrimg2exr.exe - it is part of vray for 3ds, but not for ketchup, so I don't know how you will do that vrimg2exr.exe is a standalone command line utility, that allows transformation of the proprietary. You better have a rendering farm or a spare computer you can forget of for a while at this point. Tip: do not render channels you won't use, so, if you do not need an alpha channel, uncheck it from options - VFB channels STEP 1 - render to VRImage Raw Image file, and leave VFB mode to Preview or No Memory So, exporting to an usable format like PNG or JPG was impossible.Īs we cannot wait hours (or days) for renders to complete just to have vray crashing on us on export, an alternative method needed to be found. Vray 1.4 constantly crashed when trying to render at high resolutions like 32K x 16k or quad that.
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