[Digikam-users] digiKam and floating point tiffs and openexr files
caulier.gilles at gmail.com
Thu Dec 31 18:52:59 GMT 2015
2015-12-31 19:44 GMT+01:00 Elle Stone <ellestone at ninedegreesbelow.com>:
> Krita, GIMP 2.0/2.10, Blender, the raw processors darktable and PhotoFlow,
> and also other image editing software have the capacity to open and save
> 32-bit floating point tiffs and/or openexr files.
> I've accumulated a lot of such files in the course of editing images, to
> the point where I'd like to find an image viewer for browsing through the
> images and then opening selected images with various high bit depth image
> editing programs.
> As far as I can tell, digiKam can't read floating point tiffs and also
> can't read openexr files. Would filing a bug report/enhancement request be
digiKam use a 16 bits color depth integer image data container to edit,
which will solve 99% of photography case, including RAW files.
floating point image data are very specific case, typically used in pro
video for ex.
You can load this kind of image in digiKam image editor through QImage
loader, but in 8 bits per color per pixels. that all.
> It would be nice if digiKam could be used to not only view but also
> catalog and tag such images.
Cataloging/tagging, etc, is not a problem here. Metadata management is
delegate to Exiv2, which support TIFF, but not OpenEXR as i know. In all
case XMP side car is the solution here. Also, no problem with database with
these kind of image formats.
> It would be extremely nice if digiKam could also be used to catalog and
> tag high bit depth GIMP XCF files and also Krita KRA files.
Supporting other color depth that 16 bits will be complex and long to solve.
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