extract channels of exr files
sudo apt install git make g++ pkg-config libopenexr-dev libpng-dev git clone https://code.mathr.co.uk/exrtact.git cd exrtact make
exrtact in.exr out.exr chan
in.exris the input file, it should have a channel named
chanwhich will be extracted
out.exris the output file which will be created, it will have a channel named
Ywhich contains the extracted channel
exrtact-preview in.exr out.png
in.exris the input file, it should have a preview image which will be extracted
out.pngis the output file which will be created, it will have RGBA8 channels containing the extracted preview image
exrtactile stem factor stratify out.exr [channel [channel [...]]]
YYYYis zero-padded 4 decimal digits from
factor - 1.
Xincreases left to right.
Yincreases top to bottom.
0, does regular tiling (the images are placed side by side)
1, does “stratified” tiling (the pixels get interleaved)
Windows binary download: exrtactile.exe.7z (sig)