Search found 2 matches

by wesw
2019-02-19T11:57:28-07:00
Forum: Bugs
Topic: ImageMagick only reads 32b EXR alpha as 16 bit?
Replies: 2
Views: 3074

Re: ImageMagick only reads 32b EXR alpha as 16 bit?

I may have misread the documentation says the HDRI version should read/write 32b and negative values. I could be wrong, my tests seem to identify RGB as 32b but never A, leads me to believe that RGB may support 32b whereas alpha was neglected. :( If there is no support for 32 bit single-channel, is ...
by wesw
2019-02-15T13:52:41-07:00
Forum: Bugs
Topic: ImageMagick only reads 32b EXR alpha as 16 bit?
Replies: 2
Views: 3074

ImageMagick only reads 32b EXR alpha as 16 bit?

I have a heightfield rendered from Houdini, stored as 32 bit floats in range -1 to 1, saved as a single channel EXR. Other applications read this exr file as 32-bit single channel. Using the command line tools, I cannot get IM to read the Alpha channel as anything but 16 bit. Even with -depth 32, it...