Rgbx

RGBX

rgbx is a tool to try different encoding hdr to rgba8 format it supports:

• rgbe
• rgbm
• rgbd
• rgbd2 ( rgbd with range )

usage

// encode
rgbx -m method [-r range] inputImage_hdr.tif outputImage_rgba8.png

// decode
rgbx -d -m method [-r range] inputImage_rgba8.png outputImage_hdr.tif

dependancies

• openimageio
• cmake

builds

mkdir build
cmake ../
make

Links

• http://iwasbeingirony.blogspot.fr/2010/06/difference-between-rgbm-and-rgbd.html
• http://graphicrants.blogspot.fr/2009/04/rgbm-color-encoding.html
• https://gist.github.com/aras-p/1199797
• http://mynameismjp.wordpress.com/2008/12/12/logluv-encoding-for-hdr/
• http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/
• http://vemberaudio.se/graphics/RGBdiv8.pdf