On 8/17/2012 2:58 PM, Le_Forgeron wrote:
> Le 17/08/2012 20:28, Dave nous fit lire :
>> pnginfo displays the same info for both PNG's:
>
> Nothing shocking here, the platform & compiler are in the comments, but
> not the configure's options.
>

I took all defaults. povray --V (for the openexr version) gives the 
output below. The only thing I added for the non-openexr version was 
'--without-openexr':

povray: This is a RELEASE CANDIDATE version of POV-Ray. General 
distribution is discouraged.
POV-Ray 3.7.0.RC6

This is a release candidate of POV-Ray version 3.7.0.
General distribution is strongly discouraged.

Copyright 1991-2003 Persistence of Vision Team
Copyright 2003-2011 Persistence of Vision Raytracer Pty. Ltd.

Built-in features:
   I/O restrictions:          enabled
   X Window display:          enabled (using SDL)
   Supported image formats:   gif tga iff ppm pgm hdr png jpeg tiff openexr
   Unsupported image formats: -

Compilation settings:
   Build architecture:  armv6l-unknown-linux-gnueabi
   Built/Optimized for: armv6l-unknown-linux-gnueabi
   Compiler vendor:     gnu
   Compiler version:    g++ 4.6
   Compiler flags:      -pipe -Wno-multichar -Wno-write-strings 
-fno-enforce-eh-specs -s -O3 -ffast-math -pthread


> Have you tried another output format ?
>

I reran with PPM output. Results look the same.

povray+exr +ipovray-3.7.0.RC6/scenes/advanced/biscuit.pov +fp 
+obiscuit-exr.ppm   -d +p +v +w320 +h240 +a0.3
povray     +ipovray-3.7.0.RC6/scenes/advanced/biscuit.pov +fp 
+obiscuit-noexr.ppm -d +p +v +w320 +h240 +a0.3

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