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Oldschool Shirt Designs /...
Forum: General questions
Last Post: CrystalLogic
57 minutes ago
» Replies: 9
» Views: 284
Report on creating / upda...
Forum: Gimp-Forum.net
Last Post: Ofnuts
Yesterday, 10:13 PM
» Replies: 1
» Views: 31
ofn-brush-strokes-on-path
Forum: Extending the GIMP
Last Post: Ofnuts
Yesterday, 09:02 PM
» Replies: 0
» Views: 29
Can I "chroma key" white ...
Forum: General questions
Last Post: Krikor
Yesterday, 02:56 PM
» Replies: 1
» Views: 66
Problems when using a dra...
Forum: OSX
Last Post: rich2005
Yesterday, 12:21 PM
» Replies: 3
» Views: 1,557
How can i add a prevalent...
Forum: General questions
Last Post: Ofnuts
Yesterday, 08:54 AM
» Replies: 3
» Views: 92
CMYK ICC Color Profiles D...
Forum: General questions
Last Post: rich2005
Yesterday, 07:32 AM
» Replies: 1
» Views: 55
Having some issues with l...
Forum: General questions
Last Post: AlphaWolf464
04-12-2021, 11:46 PM
» Replies: 2
» Views: 90
consistent color palette ...
Forum: General questions
Last Post: rich2005
04-12-2021, 10:13 AM
» Replies: 8
» Views: 244
logo disappears when I us...
Forum: General questions
Last Post: Ofnuts
04-11-2021, 04:38 PM
» Replies: 2
» Views: 127

 
  ofn-brush-strokes-on-path
Posted by: Ofnuts - Yesterday, 09:02 PM - Forum: Extending the GIMP - No Replies

Adding an animation feature (each brush stroke on its own layer). Ending up being a major rewrite. Still have to update the doc before releasing in the wild.

   

For the above:

  • Find a Brush with foot steps (brush hose, alternating each foot)
  • Create a circular path
  • Apply the script to generate 30 strokes on a transparent background
  • Duplicate the image, shift the layers by one (top layer to bottom of stack)
  • Do that two more times, to have 3 images that are 1/2/3 steps behind
  • Use ofn-interleave-layers to combine them with 75%, 50% and 25% opacity to the first one
  • Export as (slow) animation

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Lightbulb Report on creating / updating scripts
Posted by: Krikor - Yesterday, 02:46 PM - Forum: Gimp-Forum.net - Replies (1)

Hi Ofnuts,

I noticed the creation / update on April 4th of this year of the ofn-select-layer-box. Is this thanks to the user error in the post https://www.gimp-forum.net/Thread-How-ca...n-photohop? pid = 22967 # pid22967.

I myself am not sure if all of your scripts I have are up to date or not. I would have to check almost one by one as to whether they are up-to-date or not, but for convenience and not having problems I don't do it.

It seems to me that here on the forum there is no topic that keeps us informed of these creations / updates.

There may be other ways, as there is a 'Get Updates' link on the downloads page. But I suppose that requires subscribing via email to some kind of service.

What do you think about posting a topic on this forum with current records about your creations / updates?

Perhaps also useful to provide other script writers with a space where they can inform the updating of their scripts. All in a single post, facilitating consultation and monitoring.

If it weren't for the user's mistake in downloading the wrong script, it would take me a while to become aware of this new script - ofn-select-layer-boxDodgy

Thx.

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Question Can I "chroma key" white tones to black?
Posted by: ANANAN - Yesterday, 01:50 PM - Forum: General questions - Replies (1)

Hey!

I have a drawing with lots of white paper showing through, and I want to make the white black.
The magic wand doesn't work, because the whites are undetectable and all over.

Is there a way to scan for the whitest hues of color and remove/replace it?

Thank you so much!

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  CMYK ICC Color Profiles Download for Soft proofing
Posted by: Carl_observing - Yesterday, 06:02 AM - Forum: General questions - Replies (1)

Hi. Does anyone know where to download CMYK ICC Color profiles? There are two 2-year-old tutorials by Michael Davies on YouTube that describe how to download the Adobe ICC color profiles. Unfortunately, that link https://supportdownloads.adobe.com/produ...rm=Windows does not work anymore and without the color profiles, one cannot do the soft proofing mentioned in the tutorial. I am hesitant in providing the link to the tutorials as I am not sure if it is allowed here.

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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 (9)

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 (8)

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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