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  Is it possible to modify guides in script-fu to allow their placement outside canvas?
Posted by: Dogarithm - 12-16-2023, 12:21 AM - Forum: Scripting questions - Replies (7)

Not much to add outside the thread subject line. Heck, you've probably found yourself wondering the same. The reason I'd like to do this, and desperately wish guides could be dragged off-canvas and NOT disappear is all about making vanishing points practical. Otherwise I have to start with a ridiculously huge canvas area to store the exact coordinates of a single pixel's worth of data, as a vanishing point in-file.

As is, I have to work with an order of magnitude or more canvas area than necessary, wasting a lot of space and degrading ergonomics. Does anyone know of any workarounds? Or barring that, know enough script-fu, to describe to me how to place guides that intersect the canvas nowhere, yet still stay in place? I do know basic python but haven't touched script-fu yet.

Makes me miss how in Flash editor, waaay back in the day, you could put anything off-canvas.
[Image: gimp_vanishing_point_prob.png?ex=658f602...y=lossless]

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  Picture overwrite
Posted by: alexat35353262 - 12-15-2023, 07:17 PM - Forum: General questions - Replies (9)

Hello, I need help, try to edit some jpg file, and I used overwrite from file and it overwrited the previous jpg file, not the original one, and now I have 2 as same file, how do I recover the lost jpg that was overwrited by second one? Thanks

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  Copying Alpha Channel From One Image to Another
Posted by: saltasaurus - 12-15-2023, 08:26 AM - Forum: General questions - Replies (2)

Hello, I would like to copy the alpha channel of a layer in another image to a target image. Wondering what the steps are, thank you!

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  Export ALL opened images in GIMP at once with your settings
Posted by: PixLab - 12-15-2023, 08:07 AM - Forum: Extending the GIMP - No Replies

Finally... GIMP's users can have their own settings for each type of image,
and once it's set, every opened images will be exported automatically with these setting.

This script (.scm) is a complete re-start - reconstruction, also it's recommended to remove the older script, it is not mandatory as this script has different declaration, and can coexist with my previous version in GIMP without any problem.

I did found a way for the users to input their settings when they batch export their opened images in GIMP, it's not beautiful as the code is extra long, but it works like a charm, it is very simple and I like simple.  Big Grin

Purpose?
Batch export all opened images in GIMP with your settings
Example of opened images to batch export all at once with the same JPG settings
   

Where to find it in the GIMP's top menu?
There.
   

Where to Download this gorgeous script, that auto-export all at once?
Here:
.7z   pxl-export-all-images-as-v3.7z (Size: 380.22 KB / Downloads: 153)

How to install it in GIMP?
A manual-guide is included as PDF when you download the script/plugin, thus RTM  Big Grin

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  Extracting Identical Pixels Between Two Layers
Posted by: saltasaurus - 12-15-2023, 05:39 AM - Forum: General questions - Replies (2)

Hello, I am trying to cut out or isolate in some fashion all of the pixels that are identical between two images. These two images are different coloured variants of each other, and certain pixels are identical. 

I was thinking of putting them into two layers and... I don't know lol. Just wondering if there is an easy way to go about this. 

Note that I am NOT trying to delete these pixels. In the end, I would like to put them onto a layer on their own.

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  Dateien aus OneDrive
Posted by: r.jahn@drei.at - 12-14-2023, 04:33 PM - Forum: General questions - Replies (1)

Ich habe Gimp 2.10.36 soeben installiert. Meine Dateien befinden sich alle auf OneDrive.
Wenn ich jetzt eine Datei in Gimp laden möchte, dauert das Ewig
In anderen Anwendungen ist das kein Problem.
Woran kann das liegen?

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  Colorized imege problems
Posted by: N00BELIX - 12-14-2023, 03:51 PM - Forum: General questions - Replies (4)

Hi all!
I am new to Gimp. I come from the Photoshop world, and have used it since V.6.

So. I have colorized a image online, and its okish. However the colors of the mouth goes all caplooey.
How would the best way be to fix this? (this image is straight from the online colorization service, and i have not done anything with it.)
The lower lip is brownish, and the upper lip and tongue are all wrong.

Any tips are highly appreciated Big Grin



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  Selction bounding box & shrink radius
Posted by: david - 12-14-2023, 02:25 PM - Forum: Scripting questions - Replies (3)

I have been trying for a couple of days to find the relationship between a selection bounding box and the radius which is used for shrink or grow selection.
My first thoughts were that the radius would be half the diagonal of the bounding box, but this appears not to be true.

In the Shrink/Grow/Feather LIVE PREVIEW GIMP by TinT he has used a binary search routine to find the shrink radius which reduces the selection size to zero in order to set the minimum value for the adjustment slider. However, this is very slow for large images.

I thought that there must be a mathematical formula for the shrink radius that would reduce the size of the smallest bounding box side to half of it's original value.

Help from our resident geniuses greatly appreciated!

david.

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  Objects not in the layer panel.
Posted by: Whywhywhy - 12-13-2023, 01:49 PM - Forum: General questions - Replies (3)

Hello, I've never had this problem. When I create a new rectangle, it does not generate a layer in the layer panel. I can't select the new object or do anything with it. Does anyone know why? I'd like to attach a screen shot, but the clipboard viewer drives me insane. Any better options there also? Thanks in Advance. J.

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  Flattening a scanned book
Posted by: antoni gual - 12-13-2023, 10:38 AM - Forum: General questions - Replies (33)

Hello, this is my first post here.
Gimp 2.10.36 in windows 10 here
I'm trying to flatten some warped pages of a hastily scanned book. I have found the filter>distortion > bend along lines (sorry, translated from spanish menus) 
The problem is the book has a funny size of 1300 pixel wide x 3500 pixel tall. With this format, the preview is 1 cm wide in my screen, making the tool unusable. The image does'nt even cover the checkered box, and does'nt change when the dialog is resized.
Is there a way to increase the preview size? Or perhaps is there a tool in gimp more adapted to the job?
Cheers
Antoni

   

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