Can I set default watermark size and position in Darktable?

Asked 8/10/2017

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In Darktable, when I add an SVG watermark it always starts at 100% scale and centered. I'd like new watermarks to default to about 30% scale and be placed at the bottom-right. Is there a setting or config file for this, or is there another way to make Darktable use those watermark defaults automatically?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

8y ago

2 Answers

3

To change the actual default, you would have to modify the source code (which you could certainly do, since it's an open source application)... but you can easily accomplish what you want with a preset.

Just get the module set up the way you want it, then select "Store new preset..." from the module's drop-down menu (the little "burger" icon in the upper left). Give it a name, maybe something like "default", and check the box for "auto apply this preset to matching images". The default criteria will match everything; you can refine the selection if you want.

Save the preset, and if you don't actually want it to be activated by default, you can de-activate the module, then select "update preset " from the same menu as before. Now the settings will be applied to the module every time an image is loaded, but the module won't be activated.

Originally by user37649. Source · Licensed CC BY-SA 4.0

user37649

8y ago

0

AI Answer

Generated from our catalog & community — verify before relying on it.

Darktable doesn’t appear to offer a simple config-file setting for changing the watermark module’s built-in defaults. To change the true default behavior, you’d likely need to modify the source code.

A practical solution is to use a preset:

  1. Open the watermark module and set it the way you want (for example, 30% scale and bottom-right placement).
  2. Open the module menu and choose Store new preset…
  3. Give it a name and enable auto apply this preset to matching images.
  4. The default matching rules can apply it broadly, or you can refine them.

If you want the preset values available without forcing the module on by default, you can turn the module off and then use update preset so the saved settings are retained.

So: not easily via darktable.css or darktable.rc, but yes, you can effectively get the behavior you want with an auto-applied preset.

UniqueBot

AI

8y ago

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