Post all Gimp scripts and script writing questions here
Sun May 15, 2022 7:42 pm
Filter works best in Solid color backgrounds. It looks like crap if a lot of information is going on in the background.
https://github.com/LinuxBeaver/gegl-pen ... l-drawing/@MareroQ will likely chime in with a Windows build port.
![Image](https://raw.githubusercontent.com/LinuxBeaver/gegl-pencil-drawing---GEGL-renders-your-image-as-a-pencil-drawing/main/gegl_pencil_preview.png)
Sun May 15, 2022 9:51 pm
Good work, contrast_. I will like to create Gegl plugin, but I don't know how. Maybe you can post the basics?
Sun May 15, 2022 11:23 pm
Version for Gimp-2.10.30 Win 64 Bit attached.
Place the file in Gegl plugins in a directory: ... \lib\gegl-0.4\
In menu Toolsâ¤GEGL Operationâ¤Pencil drawing
We have cli345 on the forum - a comic book style master and Gegl Graph expert - maybe he will suggest something or join this game?
Mon May 16, 2022 6:41 pm
Pocholo wrote:Good work, contrast_. I will like to create Gegl plugin, but I don't know how. Maybe you can post the basics?
![Smile :)](./images/smilies/icon_smile.gif)
All I am doing is stitching more simple gegl operations together. look at my .c files on github and gegl.org and maybe you'll get the hang of it.
Thu May 19, 2022 7:58 am
Hello,
![Smile :)](./images/smilies/icon_smile.gif)
Here is yet another pencil gegl graph:
- Code:
noise-reduction
domain-transform n-iterations=5
difference-of-gaussians radius1=1 radius2=0.33
gray
levels in-low=0.004 in-high=0.009
invert-gamma
rgb-clip
noise-reduction
Here are examples:
![examples_orig.jpg](./download/file.php?id=59783&sid=01f65db81b82f88b553f094f2493deed)
- examples_orig.jpg (183.79 KiB) Viewed 1937 times
![examples_geglPencil.jpg](./download/file.php?id=59784&sid=01f65db81b82f88b553f094f2493deed)
- examples_geglPencil.jpg (153.6 KiB) Viewed 1937 times
Have fun!
Thu May 19, 2022 9:07 am
cli345 wrote:Hello,
![Smile :)](./images/smilies/icon_smile.gif)
Here is yet another pencil gegl graph:
- Code:
noise-reduction
domain-transform n-iterations=5
difference-of-gaussians radius1=1 radius2=0.33
gray
levels in-low=0.004 in-high=0.009
invert-gamma
rgb-clip
noise-reduction
Here are examples:
examples_orig.jpg
examples_geglPencil.jpg
Have fun!
![Smile :)](./images/smilies/icon_smile.gif)
I can try to make this into a filter and give you full credit for discovering the algorithm.
levels
domain transform
and difference of gaussian
will have sliders. Everything else will be hidden.
Thu May 19, 2022 10:14 am
I make a filter that uses your algorithm and it will replace my gegl:pencil
This works on images even with complex backgrounds so i will have to change the description
Thu May 19, 2022 10:46 am
https://github.com/LinuxBeaver/gegl-pen ... il-drawing![Image](https://cdn.discordapp.com/attachments/401713534116823045/976872956493975622/pencil_preview1.png)
gegl:pencil has had a major overhaul. cli345 gets the credit. This algorithm unlike mine works in noisy backgrounds
MareroQ will have to recompile for Windows. lol
Thu May 19, 2022 11:20 am
New version for Gimp-2.10.30 Win 64 Bit attached.
Nice collaboration
Mon Aug 15, 2022 5:15 am
I'm quite impressed by this GEGL drawing filter, comparing with G'MIC (sketch or pencil filters), this GEGL is a winner for me (even though I don't use those type of filters).
![Image](https://i.ibb.co/zmPzbCQ/screenshot-20220815-181202.webp)
I got few problem, tough, but the filter still work once I closed the GIMP window's bug
![Wink ;)](./images/smilies/icon_wink.gif)
Mon Sep 12, 2022 2:07 pm
I will be removing the remove color mode from GEGL:photo2cartoon because this filter literally does that but better.
I don't want to fuse the two filters as gegl:pencil is much faster loading then gegl:photo2cartoon.
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