** Changed in: hugin
Importance: Undecided => Wishlist
** Changed in: hugin
Status: New => Triaged
** Tags added: gsoc hugin usability
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Add support for EXIF colour balance data
https://bugs.launchpad.net/bugs/679977
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Status in Hugin - Panorama Tools GUI: Triaged
Bug description:
(This is a short project suitable for an initial Hugin patch)
Hugin currently reads photo EXIF metadata for aperture, shutterspeed and ISO
setting, it uses this to initialise the EV parameter for each photo, this is
useful for bracketed sets and for situations where the camera was set to
'auto-exposure'. It then sets a global project-wide EV parameter to the average
of all these EV settings.
Something similar can be done for colour-balance EXIF metadata, however Hugin
doesn't have (or need) a global colour balance setting.
Hugin should be patched to read the EXIF WBRedLevel and WBBlueLevel for input
photos, these are unitless and can be used as scale factors for the Er and Eb
parameters for each photo. Since Hugin doesn't have a global colour balance
setting, the Er and Eb parameters need to be each scaled relative to the
average WBRedLevel and WBBlueLevel of all photos in the project.
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