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You will find the Exposure Adjustment layer in Photoshop has a Gamma correction option - but it does not match 3ds max. You just lack a way now to get the image to display correctly by applying gamma correction (like that sRGB button in the V-Ray Framebuffer). The trick is to save your 16-bit images without gamma correction and calculations will be correct in Photoshop.
#HEXELS MOVING LAYERS SOFTWARE#
Compositing software like After Effects can do this (by internally converting into linear space when combining layers) but Photoshop does not do this (it has always been like that to make it fast). But to combine several render elements these calculations need to be done in linear space - otherwise everything will not match your beauty pass (too bright). Your image editor or compositing software does not need to do anything special to display the image for you (ignoring color management here). Your typical 8-bit or 16-bit PNG/TIFF/JPG saved by 3ds max already has gamma correction applied to it (Output Gamma 2.2 is the default). can do that, Photoshop does that too for 32-bit PSD images. If you display such an image it will be gamma corrected automatically - just for display purposes (like the sRGB button in the V-ray Framebuffer). If you take a high dynamic range image like a 32-bit PSD or EXR file this will always be linear (so no gamma correction baked in). The main problem with render elements (reflection, refraction.) is that they need to be composed in linear space. Is there a way to comp 16bit passes back-to-beauty so I can still use all Photoshop's tools? However, I'd like to start comping my passes separately, so I can edit my lighting pass individually and so on. Reason being, I currently work in Photoshop in 16bit, as I can still get good control of exposure etc AND still use things like the magic wand and various other tools that don't work in 32bit. Is this doable, or is it impossible by definition? > ''Originally posted by Richard7666 View Post
#HEXELS MOVING LAYERS MANUAL#
and that is problem!Īnd recreating a ''ADVANCED BACK TO BEAUTY'' is same, but because of advanced passes final result is not quite as rgb color render! Hell, i dont even know if is possible to recreate it in ''ADVANCED BACK TO BEAUTY'' and here is why ( I asked on chao's group forum and their member - Dans has helped me about formula regarding workflows on their's user manual but I'm quoting a different post about this problem ) so : > and it stays wheter you save foto with icc profile embeded or without or switch it to sRGB and do exactly same with or without.
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#HEXELS MOVING LAYERS 32 BIT#
So in order to keep linear dodge/add blending modes within 16 bit mode ( if you set linear dodge/add on 32 bit and switch to 16 bit everything got messed up ) you'll have to make a profile which is essentially sRGB just insted of 2.2 gamma you type 1.0 save it, and temporarily it's ok, you switch to 16 bit and blend modes stay but there comes a BIG PROBLEM when you want to export as 8 bit-png, or jpg ( low dynamic range format ) renders got dark! very dark, like burned! because of that gamma conversion I guess. but when it comes to 8 BIT, OR 16 it's different blendings on different layers!!! And since I JUST COULD NOT FIND BLENDING MODES FOR THOSE RENDER PASSES, then you'll have to switch it to 16 bit and literally have to guess visually > which is not ''mathematically'' so to speak correct. This was my problem > Because of stupid adobe's decisions or laziness or whatever you gonna call it - 32 bit exr's when imported, only about 40 percent of functionality works in PS, BUT no hassle, all render passes just set linear dodge/add and good to go ( this is simple ''BACK TO BEAUTY'' ) workflow. Cool man thanks! that was exactly what I was needed!