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  How can i add a prevalent layer to an animated gif like in photohop?
Posted by: Someone1 - 04-12-2021, 06:33 PM - Forum: General questions - Replies (3)

I am new to gimp so i am still getting familiar with the interface.

In photoshop, an animated gif worked like this, there is a timeline and the layers on the side:

[Image: UD3wvDL.gif]

If i wanted to add a prevalent layer that existed in ALL the animation, all i had to do was go and add a layer (in this case, for demonstration purposes a black rectangle) to the THE END, after the last layer of the animation. When animated that layer will apply to all the animation:

[Image: 0lDPao9.gif]

How can i do this with GIMP?

If i import an animated gif, add a layer at the end and then export to save the layer will only appear at the end of the gif animation, not in all the animation.

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  Having some issues with lowering brush hardness
Posted by: AlphaWolf464 - 04-12-2021, 05:53 PM - Forum: General questions - Replies (2)

So, i was messing with different gradients recently, and im wondering if that changed it, tho it might be something else.The attached picture is what happens when I lower the brush hardness to 30 and click. See how theres that part that i labeled in red where the hardness suddenly drops off? It didnt used to do that, and im wondering how to fix it so that its a more consistent fadeaway.



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  Oldschool Shirt Designs / Threshold Question
Posted by: CrystalLogic - 04-11-2021, 10:40 PM - Forum: General questions - Replies (11)

Hi!

I am new to this forum and have a specific question. I tried to find the answer myself by experimenting but now came to the conclusion i need external help.

I am relatively new to GIMP (watched and worked through one or two dozen of tutorials, experimenting, some of this , some of that) and really enjoy it. What i would really like to do is trying to create shirt designs, namely pretty specific ones. I try to explain:

In the music genre where i feel home at most (Heavy metal and related) thre is a huge scene of shirt bootleggers, that make very old school looking designs. These usually have quite a reduced colour spectrum (4 to 8 colours maybe). To make clear what i am talking about here is an example:

https://burningleathermx.com/wp-content/...8932_n.jpg

https://burningleathermx.com/wp-content/...9462_n.jpg

The originals to these shirts are these Cover artworks:

https://www.hrrshop.de/bilder/produkte/g...-BLACK.jpg

https://images-na.ssl-images-amazon.com/...L1425_.jpg

So i hope you get the idea !

My question is : How would i do this? From a guy i know who is a passionate avid photoshop user and professional graphic designer, i know how he does it with photoshop. He basically first uses threshold on the picture an then somehow colours a layer with a specific colour , then duplicates the picture , sets the threshold higher / lower, colours the next and so on, until those all together make a design like those above.

So i tried this with GIMP but i cannot seem to get past the part of colouring the first layer. i used the threshold feature, coloured all the black parts , but from then on it doesn't work.  As far as i know Photoshop has somewhat of a function that you just put on a coloured layer over the picture, but i cannot find anything in GIMP. Maybe with a layer mask?

So : if anyone has any idea how i could achieve this it would be highly appreciated !

Thanks a lot in advance and please excuse if my English is a bit crooked, i am from Germany and it's not my mother tongue Big Grin 

Cheers
Hendrik

Edit: I played around a bit again and made a screenshot so it might be even more clear what i want to achieve. It gets a tiny bit into the direction i want but the problem is still the other colors aren't shining through



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  JPEG sampling factors explained
Posted by: Ofnuts - 04-11-2021, 03:26 PM - Forum: Watercooler - No Replies

If you ever got confused about the JPEG sampling factors notations as shows in Gimp's JPEG export dialog, but also ImageMagick's identify, mediainfo, here is a page that explains it all:

https://zpl.fi/chroma-subsampling-and-jp...g-factors/

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  logo disappears when I use "darken only"
Posted by: banuhl - 04-11-2021, 10:46 AM - Forum: General questions - Replies (2)

Hey, I have the following problem (Gimp 2.10.22)

I create a T-Shirt mockup for my online store. In a guide I saw that you can use the "darken only" mode for your logo in order to make it look more realistic when the logo is placed on a part of the t-shirt that has some folds. However, when I use "darken only" my logo turns invisible. I have the impression it somehow makes the logo itself transparent so I guess I have a wrong setting somehow... Anyone has a clue how I could fix that? Thanks in advance Smile

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  consistent color palette from multiple images
Posted by: barrubba - 04-11-2021, 08:38 AM - Forum: General questions - Replies (16)

I have 100 images with very similar palette (90%). Some images have some colore more, other less
I would like to index all images so that they share the same color palette.
The final palette will have 32 colors. I have tested it on a group of images and it seems to respect the color variations. 
Any advice?

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  Any idea why GIMP has a custom menu for opening and saving files?
Posted by: THX 1138 4EB - 04-11-2021, 01:16 AM - Forum: General questions - Replies (2)

Most or maybe even all other software I use on Windows has a familar window for opening or saving files whilst GIMP seems to use something custom which lacks the features the standard window has like the pinned quick access shortcuts or the view options which let me preview images of each file simultaneously. It sure would be nice if GIMP would drop its custom effort and use whatever it that I presume Microsoft has provided for programs to use to access files and folders. Does anyone know why GIMP uses this custom-coded window? It makes selecting the right images to open slow and error-prone.



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  change a layer while keeping another
Posted by: Chris - 04-10-2021, 02:39 PM - Forum: General questions - Replies (8)

I have a photo (of a big sunflower head) and a mathematical figure (many big red dots). The photo is somewhat distorted and needs transforming by trial and error, to have the dots fit on top of it. Making one layer transparant is no solution because fuzzy views won't do. Nothing I tried so far with GIMP allows to manually adapt the photo (Perspective, say) while the layer on top of it remains unchanged as if on a glass plate.

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  How do I darken lines, text in a map and dim/white out the grey block stuff for print
Posted by: veek - 04-10-2021, 02:14 PM - Forum: General questions - Replies (2)

[Image: JgLrHfp.png]
So I want the red squiggle areas to be whitened/dimmed to save on toner and I want the text and lines/roads highlighted/black/darkened. It's to be printed on a laser Black and White/Grayscale printer.


I tried converting to grayscale and printing but the gray block areas don't print all that great and the text and lines look subdued because 'Yellow Road' looks slightly grey and merges with the block areas.

https://i.imgur.com/VPpa8Vx.png (in grayscale)

What should I do? I tried https://np.reddit.com/r/GIMP/comments/e8...n_old_map/ but it didn't do what I wanted - it darkens the whole image/fiddling with the Levels/Curves

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  sharpen up a pdf ?
Posted by: abrogard - 04-09-2021, 10:02 AM - Forum: General questions - Replies (8)

I just downloaded a sewing machine manual pdf and it is very faint.

 Is there some smart little app which will enable gimp to run through all 35 pages of it and automatically raise the contrast or darken up the lines, somehow make it more legible?

I'll attach a sample page



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.pdf   elna3003sewingmachine-Page14.pdf (Size: 291.53 KB / Downloads: 427)
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