exrtact

various tools to manipulate EXR images
https://mathr.co.uk/exrtact
https://code.mathr.co.uk/exrtact

get

sudo apt install git make g++ pkg-config libopenexr-dev libpng-dev
git clone https://code.mathr.co.uk/exrtact.git
cd exrtact
make

Windows binary downloads:

usage

channel extraction

exrtact in.exr out.exr chan

preview extraction

exrtact-preview in.exr out.png

image tiling

exrtactile stem factor stratify out.exr [channel [channel [...]]]

image reduction

exrsubsample factor in.exr out.exr [channel [channel [...]]]

histogram quantiles

exrquantile nbins in.exr channel

image averaging

exrmean out.exr in1.exr [in2.exr [in3.exr [... ]]]

plain text conversion

exrplain in.exr channel > out.txt

bugs

channel extraction

preview extraction

image tiling

image reduction

histogram quantiles

image averaging

plain text conversion