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  Reference Grid
Posted by: doo - 05-17-2019, 01:00 PM - Forum: General questions - Replies (2)

Hi,


I was wondering if it is possible to create a reference grid. I have a couple of photos...different sizes...and would like to render a grid every 1cm. I managed to do that with Render-Pattern-Grid....however I would like to have a notation on the side so I can refer to the box in the grid by using references such as A1, B4 etc...Do you think it is possible?

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  Contrast Limited Adaptive Histogram Equalization
Posted by: remico - 05-16-2019, 09:58 AM - Forum: Extending the GIMP - Replies (4)

Hello,

There is a page on wikipeda on contrast limited adaptative histogram equalization :
https://en.wikipedia.org/wiki/Adaptive_h...ualization

There is an implementation of contrast limited adaptative histogram equalization on Imagej (Plugins =>Filter => Enhance Local Contrast) with settings for blocksize, histogram bins, max slope. 

Imagemagick also can do contrast limited adaptative histogram equalization,  i have also found it on github :
https://imagemagick.org/script/clahe.php
https://github.com/erich666/GraphicsGems...iv/clahe.c

I don't know equivalent action in Gimp, similar but not the same are tone mapping algorithm like Mantiuk, Reinhard, fattal. Maybe this algorithm can be ported to Gimp as plugin, filter or Gegl action.

On some picture it can be useful to have a better contrast with blocksize to match length of picture and smaller or to get drawing effect with very smaller blocksize and histogram bins.

Here for instance a 387x259 photo with Imagej and different settings :
First row Original - settings blocksize 387, histogram bins 256, max slope 3
Second row 60/60/3 30/30/3



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  How do edits such as Exposure or Hue work?
Posted by: jvanderh10 - 05-16-2019, 01:55 AM - Forum: General questions - Replies (1)

Edits in Photoshop such as Exposure, Curves, and Hue apply a layer over the original image making it a more versatile experience, to where reordering edit layers can produce a different outcome, and allowing one to constantly return to one specific edit after making other ones and altering it. Does GIMP work in this fashion? Or is it something too advanced for me to figure out?

I'm using GIMP through the Linux addition to my Chromebook as a photo editor since I obviously cannot install Photoshop or want to pay for it. I have no issue doing the basics and I know how layers and their opacities work but it's pretty much anything in the Color tab that I don't understand to do in a versatile manner similar to Photoshop.

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  GIMP not responding on high file sizes.
Posted by: techie1484 - 05-15-2019, 05:42 AM - Forum: General questions - Replies (11)

Greetings,

I created an animation GIF which has 500 frames.It is taking too long to unoptimize and use interleave layer plugin. Even after waiting to complete the plugin execution, When trying to save it, GIMP freezes with message "not responding".

I have enough space on my disk to save the file. The final file size is about 1.5 GB.

Any pointers on how to improve the performance would be helpful.

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  How Do I Copy and Paste the Text On The Image
Posted by: zabd1805 - 05-14-2019, 11:28 PM - Forum: General questions - Replies (2)

Hey, y'all. So, from this video game box art case cover, I have to copy the word "Trilogy" and paste it. Then I should rename "Remastered" as well. So that way, the same texts and colors I wanna keep them like that is to type it for myself. Do you know how to get into it?[Image: GUEST_b1289465-31ae-4cea-9804-c56bcbd3e9...0&fmt=webp]

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  Gimp 2.10 - beginners moving layers.
Posted by: rich2005 - 05-14-2019, 09:33 AM - Forum: Tutorials and tips - No Replies

Moving layers comes up frequently with beginners so a very quick look some options.

Moving layers from one image to another
1. click-n-drag
2. copy and paste

Move that new layer around the canvas 
3. A floating layer is just another layer.
4. The Move tool.
5. Anchor a layer or make a new layer

Moving a text layer
6. Use the move tool
7. Use Ctrl-Alt with the active text tool.

A short demo video showing above: https://youtu.be/Je7e6TWTsQs duration 5 minutes 



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  Gimp Plugin required
Posted by: Alexandra - 05-14-2019, 09:09 AM - Forum: General questions - Replies (1)

Hello everyone!

I need the effect you see in the image for pictures, the original idea is to use a cutting plotter ...I tried lots of options and I need to know if there is any plugin that could give me that kind of result.
Any help would be really appreciated
Thanks a lot
Best regards



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  i am new to gimp how do i get started
Posted by: 1mikehuff - 05-14-2019, 06:01 AM - Forum: Windows - Replies (1)

i have never used a graphic design website before i just started a business and have a business card and flyer design that my neighbor made for me but didn't finish i want to make some changes and finish the cards and flyers so i can send them out and have printed also how do i upload my design to work on it i want to be able to make custom flyers for different specials i might be running also i paint cars and anything anybody wants painted i thought i could use a graphic design soft ware to design paint jobs can anybody help me get started as i have no experience in this any help would be greatly appreciated

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  How to move a new layer?
Posted by: enginestar - 05-13-2019, 11:05 PM - Forum: General questions - Replies (5)

For some reason I can't post in Gimp 2.10 forum... ? 

I make a new layer. I add an image.
It stays as a 'floating layer' or something.
I can't move it!!
I somehow, after clicking like, mad turn it into a layer.
Sometimes, I can now move it. Other times... I can't!!
What am I doing wrong???

Text layer: I make a new text layer.
Now... I can't move it.
There seems to be some other empty box that gets moved when I use the move tool.

What am I doing wrong?

Thanks.

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Wink Drawing circle caused jagged
Posted by: AmazingGimp - 05-13-2019, 05:00 PM - Forum: General questions - Replies (2)

Hi there,

I tried drawing a proper circle usign the ecclipse selection tool, and the circle looks like jagged on the selection line as shown here: 

How can i draw a circle that is round like paint?
[Image: 3F4PfY.jpg]

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