#26 ExifOperations: obtain_avg_lum enhancement

[Christian Fischer]

Hi,

Luminance HDR tries to calculate the average luminance from aperture and shutter
speed and iso. But I do use a manual lens and thus aperture data is not
available in exif.
Therefore I went ahead and modified the ExifOperations.cpp to calculate
luminance based on Exif.Photo.ExposureBiasValue.

See attached the patch for the ExifOperations.cpp based upon the 2.3.1 release.
Works fine for me under Win7x64 (compiled with msvc2010). I hope you find this
enhancement useful and it will find its way into the codebase.

Regards,
Christian

[Davide]

Hi,
that's a good patch. Something like this has been implemented in the current development branch, commit 5414eae

Thanks,
Davide