Search found 242 matches

by david
Today, 15:17
Forum: Others
Topic: My photo album
Replies: 370
Views: 69048

Re: My photo album

My play with three of the latest photographs. IMG_7514.JPG: Superb photo! I have made only the very slightest of changes using Colours/Curves. IMG_7514_1.JPG IMG_7509.JPG: Used the Saturation Mask plugin to emphasise the gold and desaturate the background. IMG_7509_1.JPG IMG_7359.JPG: I discovered a...
by david
Yesterday, 21:14
Forum: GIMP Tutorials
Topic: An even briefer guide to using the Satmask plugin
Replies: 0
Views: 21

An even briefer guide to using the Satmask plugin

A extremely short guide to my Saturation Mask plugin - satmask.py

david.
satmask.py
(7.02 KiB) Downloaded 3 times
satmasktut.pdf
(53.37 KiB) Downloaded 5 times
by david
Yesterday, 21:07
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: Saturation Mask Plugin
Replies: 0
Views: 18

Saturation Mask Plugin

I have produced a plugin for adjusting the saturation of different regions of an image, based on their original saturation.
This has grown out of my luminosity mask plugin and uses much of the same code.
I hope others may find it useful.

david.
satmask.py
(7.02 KiB) Downloaded 2 times
by david
Yesterday, 20:47
Forum: GIMP Tutorials
Topic: Brief Guide to Using the Equal Luminosity Plugin
Replies: 0
Views: 17

Brief Guide to Using the Equal Luminosity Plugin

A very short tutorial for the use of my plugin - eq_lum_mask.py
eq_lum_mask.py
(5.69 KiB) Downloaded 2 times
eqlumtut.pdf
(142.42 KiB) Downloaded 6 times
david.
by david
Yesterday, 12:14
Forum: Others
Topic: My photo album
Replies: 370
Views: 69048

Re: My photo album

More beautiful photographs from Issabella! These have given me the opportunity to play with the latest version of my equal luminosity mask plugin, and my experimental saturation mask plugin. eq_lum_mask.py (Also in entry #1 of https://gimplearn.net/viewtopic.php?f=3&t=2776) satmask.py Perhaps I shou...
by david
18 Sep 2020, 11:41
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: New Luminosity Mask Plugin (The Last!)
Replies: 7
Views: 618

Re: New Luminosity Mask Plugin (The Last!)

Krikor Thank you for the link to the photographs and the explanation. I saw this late last night and have yet to experiment. I thought it may be useful to you if I updated my development script with a selection of spline curves. I have done this very quickly this morning, so I hope that I have not ...
by david
17 Sep 2020, 12:24
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: New Luminosity Mask Plugin (The Last!)
Replies: 7
Views: 618

Re: New Luminosity Mask Plugin (The Last!)

Krikor I have updated the file at the start of this thread. I have changed the shape of the spline curves so that the masks give 100% coverage. For instance, mask number 2 is at a maximum from 0.2 to 0.3 and decays to zero at 0.1 and 0.4. The masks at their maximum value occupy 10% of the brightnes...
by david
16 Sep 2020, 07:40
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: New Luminosity Mask Plugin (The Last!)
Replies: 7
Views: 618

Re: New Luminosity Mask Plugin (The Last!)

@Krikor

Thank you very much for your comments. It gives me exactly the information I need to improve the plugin.
I shall try increasing the overlap of the spline curves to see if that fixes the problem.

david.
by david
13 Sep 2020, 10:00
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: New Luminosity Mask Plugin (The Last!)
Replies: 7
Views: 618

New Luminosity Mask Plugin (The Last!)

I have made numerous luminosity mask plugins. They have become increasingly complex, but not achieved my aims. After much thought, I decided to go back to basics and sketched out the requirements with paper and pencil. The result is the latest (and last!!!) plugin. It will be found under "Python-Fu"...
by david
05 Sep 2020, 13:09
Forum: GIMP Python Fu Scripts/Plug-ins
Topic: My latest Luminosity Masks Script
Replies: 9
Views: 1130

Re: My latest Luminosity Masks Script

Yet another revision!
I discovered what may be an error in the previous versions. Also changed to remove any pre-existing selection.

The latest version (lum_mask_dm.py) is now in #1 of this thread.

david.