Targeted image resolution export feature about darktable HOT 3 OPEN

Export resizing maintains the aspect ratio. So entering 3000x3000 will give you both 3000x2000 landscape and 2000x3000 portrait.

https://darktable-org.github.io/dtdocs/en/module-reference/utility-modules/shared/export/

max size
Set the maximum width and height of the exported image(s) in pixels, cm or inches (depending on the selected unit) – zero means that no constraint will be set on that dimension. Exported images will be constrained so as not to exceed either of these values, while retaining the correct aspect ratio. Set both to zero to export with the original dimensions (after cropping). If the entered values exceed the original dimensions darktable will either export with the original dimensions or upscale the image, depending on the “allow upscaling” parameter.

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Would love to have this feature, I have some panoramas with an aspect ratio of 16x4 (16000x4000)
This result in a bad vertical resolution when I use the normal export... (3000x750)

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