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Luminosity Masks (patdavid)

Revisiting the concept of creating and using Luminosity Masks in GIMP. This script-fu will generate a full set of Light, Dark, and Midtone masks as channels for your image (based on the work of Tony Kuyper originally).

This is the automated script-fu version of the full tutorial that can be found here:
Getting Around in GIMP - Luminosity Masks Revisited

Once installed, the filter can be found at

Filters → Generic → Luminosity Masks (patdavid)...

Blue Channel Skin Check Layer (Calvin Hollywood)

So I have known for a while that the Blue channel is not particularly flattering on skin tones, and tends to show a lot of imperfections when retouching.

This can be used to our advantage by using the Blue channel as a 'guide' for seeing easily areas where some retouching/healing might be needed.

True PseudoGray

A script-fu implementation of the Pseudogrey encoding as presented originally by Rich Franzen, and brought to my attention by gimpchat.com user lylejk in this thread.

I've written up a blog post as well detailing the method and how it's derived.

Export layers (repeatable)

Export all (or only visible) layers as individual image files.
V.0.1 (20120513) - based on the plugin "Export Layers" version 0.5 by Chris Mohler.

Difference:

  • You can perform a task repeatedly, because the dialogue does not close after export finishing
  • You can choose either PNG or JPG file type (other types could be easily added)
  • You can merge the selected layers before exporting
  • You do not need to worry about the file name, because the script can automatically add a number to the filename

Polaroid Border Creation (based on image width) with Texture

I had previously created a script-fu to automatically emulate the results of shooting on expired Polaroid 600 instant film that included the undeveloped corners that results from old film stock with not enough developer/fix to completely cover the image area:

http://registry.gimp.org/node/25374

At the bottom of that script page I had alluded to a border script I created that more faithfully reproduced the textures embossed on actual polaroid 600 film.

Then I promptly forgot all about it.

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