Am Montag, 27. Juli 2015, 11:17:00 schrieb Matt Kitcat: > Hi All. > I asked this before (in a slightly different way) but had no response so I > thought I would have another go. When cropping by hand I can’t get the > exact crop I want. Using the mouse the numbers jump by two pixels a time. > As an example, I have an image from a Canon 5D which is 5634x3753. I want > to crop a middle portion evenly that is 5121 by 2177. Is there a way of > creating a preset numerically? I don’t want to have to feed the image > through something else like image magick when it should be done on export.
I fear that's not possible. Image operations in darktable are using relative image sizes to make it possible to use the same settings (by copy&paste, presets, styles, ...) on other images. Thus it only stores a percentage of the image size for crop size. It might be possible to add an input method for pixel values, however in the back it will be converted into percentages again and there is no guarantee that this will map back to the original value due to rounding issues. > Many thanks > > Matt Tobias
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