![]() ![]() How's your average compression ratio? I find it's quite low. Feel free to file a feature request in our Redmine. So at best this requires some discussion before implementation. The global preferences are already cluttered as is. If you could you direct me to the relevant source files, I could try to implement this myself. But would it be a solution to implement a simple switch in the global preferences (like "Compressed TIF export")? The export procedure would only need to perform a simple check. Now, I absolutely understand that you don't want to clutter the interface. Alas, I would also love to have a switch for these rare cases. On the other hand, I would really like to keep the TIF export as it is. I will try to modify that setting and will let you know. I was merely trying to express my frustration over the criteria of stock Thanks, that might work. I didn't take your reply as suggesting it was my fault. darktable-org/darktable/blob/master/src/imagei.Ĭhanging COMPRESSION_DEFLATE to COMPRESSION_NONE should make dt export uncompressed TIFFs I guess. That said, I'm not particular fond of cluttering up our UI because of extreme corner cases.įor the short run it's quite easy to patch up dt's sources though: Well, actually complaining about silly requirements can help in the long run. Marccee Sorry if it came across that I was suggesting that this was your fault.įollowing their rules is all you can do, sadly :( I just have to follow them, as I am the one who has to prepare the images for submission. Perhaps it's their (stupid) way of checking that the compression is lossless.īut what can I do? I'm not making their rules. Given that the compression is lossless, you will get *exactly* the same image - that they choose to measure that differently doesn't change the image. ![]() I'd suggest that preparing a submission would be so much easier if Getty didn't impose an arbitrary rule! Preparing the submissions would be so much easier, if Darktable allowed me to switch off compression.įile size is an odd way of specifying an imaging requirement. So, yes, I always have to uncompress the files after having exported them from Darktable. ![]() To maintain uniformity of images that Corbis licenses Corbis requires that all images be 50MB for Commercial Submissions (.)". Their Preflight Tool that "converts the files to high quality JPEGs" checks the file size (!) of the TIF: It should be "between 47.5 and 52 MB".Ĭorbis puts it this way: "Different digital cameras capture images at different resolutions. In fact, Getty really wants the submitted TIFs to be uncompressed. After all, who needs uncompressed TIFs anyway!? Except, of course, stock agencies. I also think that lossless compression is a reasonable default. ![]() Tiffcp -c none exported.tif uncompressed.tifĪs a user of darktable, I think that lossless compression (either LZW or Deflate) is a reasonable default. If Getty for some reason doesn't accept lossless TIFFs (I belive it does, they just don't want to deal with JPEG compression), you may uncompress files later using `tiffcp` program which is part of the `libtiff` library: No information is lost, and such files should be as good as uncompressed TIFFs, just smaller. Thanks again for an otherwise amazing piece of software!ĭarktable produces TIFFs with lossless Deflate compression. Is there anything you can do about this? Have you planned to implement this feature anytime soon? So, I have to use another software just to convert the images, which is slowly becoming an annoyance. And Getty Images, to name just one agency, wants all photos to be "uncompressed 47.5-52 MB TIFF files (.) before importing into the Getty Images Preflight Tool": /workwithus/ArticleView.aspx?. They take the photos, I do the post processing. The thing is: I often work with photographers, who submit their work to stock agencies. This might be a minor thing for many for me it's currently becoming a vital feature. Just wanted to ask, whether there has been any progress in this issue: I noticed that in its latest version (I'm using the git version) darktable is still missing an option to save to an uncompressed TIF. I subscribed to Flickr just to be able to post to this group. First of all, I would like to say thank you for this great software! I have been working in graphic design and post production for many years and I am happy that I finally don't have to switch back to Windows anymore (using Linux all the time). ![]()
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