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Darktable how to export9/28/2023 ![]() output directory selector The button beside the filename template entry opens a dialog to select the parent directory for export. This can be automatically generated using several pre-defined variables. filename template Define the folder and file to which the image will be exported. Depending on the selected target, you will be asked to provide additional information, such as filenames or account name and password. A number of different back-ends are implemented, including file on disk, LaTeX book template and various web albums. □module controls □storage options target storage The type of location to store your selected images. I often take two lens out on photo shoots and I can’t always remember which one was used for each photo.When used in the darkroom view, the currently-edited image will be exported if no other images are selected in the filmstrip.įiles can be exported to a file on disk, email, various online storage locations, a web album, or a book template. For example, there is a lens field in which you could report the lens you used. Nevertheless, you may wish to use more fields. Sadly, there does not seem to be any standard EXIF tag for film type. ![]() *.jpg tells exiftool to operate on all JPG files in the current directory, which should be the appropriate ‘darktable_exported’ directory. ![]() These will show up on many photo sharing websites. -Make=Olympus -Model=OM-2n -ISO=400 a list of EXIF tags to add to the JPG for your analog camera and film speed.You can always export again if you need to. We don’t need the backup as we are operating on JPGs exported from darktable. -overwrite\_original tells it to not bother creating a backup.You don’t want any of this on your resulting image. -all= removes all EXIF metadata written by your scanning camera.Make sure to run this in your ‘darktable_exported’ directory.Įxiftool -all= -overwrite\_original -Make=Olympus -Model=OM-2n -ISO=400 *.jpg I give you the command that I use below to rewrite the EXIF metadata on all images in the current directory as per the given parameters. Once understood, the resulting commands are actually quite simple and can be reused. This is a powerful utility and it can be hard for novices to comprehend. I find that the easiest way to rewrite EXIF metadata is to use a command line tool called exiftool. I can’t advise any further as I don’t have such equipment, but I do suggest you see if you can pre-configure your EXIF data somehow in any scanning software you are using to represent your analog film camera. If you are using dedicated scanning hardware, then the EXIF may already be written in some way via your software. Note that you may not need to do this if you are not using a digital camera to scan. This may also prevent you from sharing your photos in certain groups that insist on correct EXIF metadata. However, if you do not do this, then popular photo sharing websites will report that your scanning camera took the photo. You may think that this is an optional step. Unfortunately, that is not your analog film camera, that is your digital scanning camera! You must now remove all traces of that metadata and replace it with your own to show the film camera that you used. Your exported JPGs will retain the EXIF metadata from the camera that took the photos. We now come to perhaps the trickiest part of the process. You will not be doing any more work on them unless you wish to reprocess in the future. If you created local copies in darktable (perhaps to support remote laptop working as I do) then you can now remove them if you wish. If you are more comfortable with a higher quality setting, then of course use it. If you have a very smooth image in which JPG artifacts become visible, then both analog film and JPG are poor choices in the first place. ![]() You will end up with significantly larger files for no perceptual increase in quality. Why quality 75? Various articles on the internet suggest that there is little benefit to going higher. This will produce files of around 1Mb each in a subdirectory of your main film roll folder called ‘darktable_exported’. I leave the defaults as they are and choose JPG with a quality setting of 75. Once you are happy with your images then you should export them all from Darktable. ![]()
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