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| Making a Selection from a Channel |
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Posted by: cloudescaper - 03-13-2025, 11:23 AM - Forum: Gimp 2.99 & Gimp 3.0
- Replies (3)
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Hi there, thanks for reading this!
I have an image (layer) in b&w I want to use as a mask. In Photoshop, I used to make sure the layer is active and just press "strg+alt+2" or make a selection from the RBG or Green channel in one click. This gave me a selection that is hard in the bright white areas and softer in the areas where the light is less bright. I used this simple method to edit the highlights in my images with absolute precision, since I can paint on the b&w layer and exclude certain areas as well. It was so quick an easy and I was wondering if there is fast way to get the same selection out of gimp?
Thank you in advance
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| Display problem in Gimp 2.10.38 (revision 1) |
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Posted by: beaubrunb - 03-13-2025, 10:27 AM - Forum: OSX
- No Replies
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The problem is this.
When I try to open one of hundreds of images on my external drive and use Scroll, something really weird happens with the display. It only disappears when I hover my mouse over the file list.
Look at the screenshots.
The problem is even more obvious and annoying when I'm working on an image. Especially when I scroll or zoom...
Could someone explain how to fix this display bug?
Because it's really difficult to work comfortably.
[attachment=13197]
[attachment=13197]
My setup
Gimp 2.10.38 (revision 1) on a 15-inch Macbook Pro Retina
Processor: 2.4 GHz Intel Core i7
Memory: 8 GB 1600 MHz DDR3
Graphics: INTEL HD Graphics 4000 1536 MB
Nvidia GeForce GT 650 MB[/font][/size][/color]
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| Crosshair guides for the v3 dialect of ScriptFu. |
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Posted by: teapot - 03-11-2025, 03:11 PM - Forum: Extending the GIMP
- No Replies
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Further to Rich's post here:
https://www.gimp-forum.net/Thread-How-to...3#pid43283
I was finding the Filters -> Repeat and Filters -> Recently Used sometimes greyed out for the old script. So here's crosshair guides written for the v3 dialect of ScriptFu. It puts crosshair guides on the selected drawables.
Code:
#!/usr/bin/env gimp-script-fu-interpreter-3.0
(define (add-guides image drawable)
(let* ((drawable-width (gimp-drawable-get-width drawable))
(drawable-height (gimp-drawable-get-height drawable))
(offsets (gimp-drawable-get-offsets drawable))
(offset-x (car offsets))
(offset-y (cadr offsets))
(position-x (+ (/ drawable-width 2) offset-x))
(position-y (+ (/ drawable-height 2) offset-y)))
(gimp-image-add-vguide image position-x)
(gimp-image-add-hguide image position-y)))
(define (script-fu-crosshair-guides-v3 image drawables)
(script-fu-use-v3)
(gimp-image-undo-group-start image)
(do ((len (vector-length drawables))
(i 0 (+ i 1)))
((= i len))
; (gimp-message (string-append "i: " (number->string i)))
(add-guides image (vector-ref drawables i))
)
(gimp-image-undo-group-end image))
(script-fu-register-filter "script-fu-crosshair-guides-v3"
"Crosshair Guides v3"
"Place crosshair guides on all selected drawables."
"teapot"
"teapot"
"2025"
"*"
SF-ONE-OR-MORE-DRAWABLE
)
(script-fu-menu-register "script-fu-crosshair-guides-v3" "<Image>/Image/Guides")
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| Select By Color tool |
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Posted by: meghan_e - 03-10-2025, 11:48 PM - Forum: Gimp 2.99 & Gimp 3.0
- Replies (2)
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I've been working with Gimp 2.10 for a long time. I'm not a Gimp expert at all just like playing around.
Anyway, I installed Gimp 3-R2 and was trying to do a simple
transparency layer -> Filters -> Render -> Noise -> Solid Noise.
Then I went to the Select By Color tool and it won't select anything.
I tried these exact steps in Gimp 2.10 to be sure and it works fine.
Is there something else that needs to be set up? If there are instructions, I'm happy to read them, I just haven't been able to find anything about it.
Thank you!!
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| How to use selecting multiple layers with the tranform tools. |
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Posted by: teapot - 03-09-2025, 07:07 AM - Forum: Gimp 2.99 & Gimp 3.0
- Replies (9)
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Hi, I'm just tying to understand the details of selecting multiple layers. I get that you can do this with shift or ctrl keys. If for example you wanted to rotate three layers, what's the rule to say which one is used for the "preview" while you are adjusting the rotate?
In gimp 2.10 you could link the layers and choose which one is active so that's the one that's used while you are adjusting the rotate.
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| Text to path query |
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Posted by: Evans8773 - 03-08-2025, 01:47 PM - Forum: General questions
- Replies (1)
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Hi all
Just started using gimp again and have an issue I have had in the past but forgot how to fix it. Applying text to a circle the top of the circle text along path does as intended but when I do the bottom half text it apples to the path like it is stacked and just looks like jumbled up spaghetti. Like I said this has happened before but cannot remember how to fix it.
The initial text to path requires me to use the flip tool so it looks right but then after the flip I get spaghetti
Hope someone can help
Cheers
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![[Image: antique-metal-qt-300-ginp-3.0-2.10.jpg]](https://vitforlinux.wordpress.com/wp-content/uploads/2025/03/antique-metal-qt-300-ginp-3.0-2.10.jpg)
