importing 32 bit float images

Library and Tool Development

tompainter

importing 32 bit float images

in Library and Tool Development • 1 year ago

I saw this thread

http://forum.processing.org/topic/32-bit-floating-point-image-export

but what I would really love to be able to do is import 32 bit float images

tif, hdr, exr all support this type of data.

it would allow us to import very finely grained data from 3D programs

at the moment importing 8 bit data is pretty crude for things like Z-depth data etc. we get very noticeable banding

would this be on the roadmap?

it would be a smart move.

or does anyone know of languages similar to processing that can import this type of data.

cheers

Tom

Replies(2)

PhiLho

Re: importing 32 bit float images

1 year ago

The thread mentions OpenEXR, a format that supports such dynamic range. Looks like there is mostly C++ (and Python) support from the official site. A little search shown the http://code.google.com/p/openexr4j/ library / wrapping for Java.
I doubt such format will be supported natively by Processing at short term, such files are still rarer than Jpeg or PNG images... But in the form of a separate library, like the one I point to (and there might be more), it is doable.

tompainter

Re: importing 32 bit float images

1 year ago

Hi philho

Thanks for the response

It Would be a very cool feature, I'm sure people in the visual FX community would make much of it.

Best

Tom

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