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chat icon PNG48 option in the PNG exporter ?

Fispear

Posted: Thu Mar 01, 2012 2:05 pm
Joined: 01 Mar 2012
Posts: 1
Hi every one !

I'm a 3D real time french student (and i hope a developer too Wink ) and i'm using blender because it easy to implement python scripts to export meshes, scenes in our personal format (very nice job the new 2.5 API, well done !).

I would like to talk about PNG 48bits, it's a PNG image, but than can have 16bits per channels (RGBA). Save 16 bits per channels images is use full for normal map, or other float textures, and PNG images are also very useful with images editors.

My personal 3D engine load textures as PNG format, for compression / quality / facilities and Blender can load 48bits PNG images. But it can't save as 48bits PNG images ... But i know it's possible because i have program it my self with libpng. Count only 20 lignes of C/C++ code to add in the exporter function ... Wink That why i'm querying this options in the blender's PNG exporter. It would be very useful with the ability to create 16bits images (unsigned short AND/OR half) too.

Thank you.
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ldo

Posted: Mon Mar 05, 2012 5:42 am
Joined: 07 Nov 2010
Posts: 544
Seems like people wanting a larger dynamic range use a format like OpenEXR.
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