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GEGL Gradient Map
http://gimpchat.com/viewtopic.php?f=4&t=18420		 Page 1 of 2
Author:  Konstantin [ Thu Jun 04, 2020 6:47 am ]
Post subject:  GEGL Gradient Map
I just watched a video on youtube which uses a GEGL gradient map.

https://youtu.be/XmZjMgNDolU?t=24

However this filter is not in my Gimp 2.10.18 "Tools - GEGL Operation" list. In fact i have only 12 filters in my list.

Attachment:
GEGL Operation.jpg
GEGL Operation.jpg [ 154.17 KiB | Viewed 7444 times ]
Author:  dinasset [ Thu Jun 04, 2020 7:29 am ]
Post subject:  Re: GEGL Gradient Map
I don't have it either.
Win 10 Samj's pack Gimp 2.10.19
Author:  ofnuts [ Thu Jun 04, 2020 7:42 am ]
Post subject:  Re: GEGL Gradient Map
It's there in 2.10.14 but in my 2.10.19 it disappeared (like 9 other GEGL filters...);
Author:  Konstantin [ Thu Jun 04, 2020 7:53 am ]
Post subject:  Re: GEGL Gradient Map
ofnuts wrote:
It's there in 2.10.14 but in my 2.10.19 it disappeared (like 9 other GEGL filters...);

will i miss anything crucial if i go back to 2.10.14 ?
Author:  rich2005 [ Thu Jun 04, 2020 8:03 am ]
Post subject:  Re: GEGL Gradient Map
Same as Ofnuts:
I only know of one specific version which has the long listing. A linux Gimp 2.10.14 from the ubuntu otto-kesselgulasch PPA Everything else I have come across has the shorter listing. It was mentioned by the developers two years ago, seems to have been dropped, not in the listing of GEGL operations http://gegl.org/operations/

Attachment:
gegl-gradient-map.jpg
gegl-gradient-map.jpg [ 250.9 KiB | Viewed 7417 times ]


If you are running ubuntu 18.04 or Mint 19 It should still install. That is what I use in kubuntu 18.04 + a Gimp 2.10.18 appimage. They co-exist.
Author:  aridesuchan [ Sun May 30, 2021 10:46 am ]
Post subject:  Re: GEGL Gradient Map
I don't think anyone has posted this but if you don't want the long list and only search for the function (Gradient Map), there is Colors > Map > Gradient Map. It's not exactly the same, but it works for me. You just need to edit the Brush/Pattern/Gradient area of the Toolbox.
Author:  PixLab [ Mon May 31, 2021 9:53 pm ]
Post subject:  Re: GEGL Gradient Map
aridesuchan wrote:
there is Colors > Map > Gradient Map. It's not exactly the same, but it works for me. You just need to edit the Brush/Pattern/Gradient area of the Toolbox.

Indeed it works well, but with almost no control (chose the gradient) nor visual adjustment ;)

On the other hand, Filters > G'MIC > Black & White > Colorize [with Colormap], is even better (IMHO) than the GEGL Gradient map and it has also more options ;)
Image
Author:  contrast_ [ Mon May 16, 2022 6:21 am ]
Post subject:  Re: GEGL Gradient Map
I will see if I can rescue these filters.
Author:  contrast_ [ Mon May 16, 2022 7:40 am ]
Post subject:  Re: GEGL Gradient Map
I failed to build it (unless I rebuild GEGL). If someone gets it alone then hooray.
Author:  rich2005 [ Mon May 16, 2022 8:49 am ]
Post subject:  Re: GEGL Gradient Map
For a linux binary, you can get a libgegl-0.4 debian package from here: https://launchpad.net/~otto-kesselgulas ... /+packages

Unpack the deb for possible binary plugins. Example:

Attachment:
gegl-gmap.jpg
gegl-gmap.jpg [ 132.45 KiB | Viewed 1576 times ]
Author:  contrast_ [ Mon May 16, 2022 9:00 am ]
Post subject:  Re: GEGL Gradient Map
can you link the file exactly, I can't find it.
Author:  rich2005 [ Mon May 16, 2022 9:05 am ]
Post subject:  Re: GEGL Gradient Map
Comes from this package https://launchpad.net/~otto-kesselgulas ... _amd64.deb (edit-this the 20.04 packge)

and from there gradient-map.so attached

Attachments:
gradient-map.so.zip [6.99 KiB]
Downloaded 40 times
Author:  contrast_ [ Mon May 16, 2022 9:08 am ]
Post subject:  Re: GEGL Gradient Map
Thank you I got it. I am also tinkering with the GEGL transparency inpaint operation as an alt to resynth and GMIC's inpaint.


Image
Author:  contrast_ [ Mon May 16, 2022 9:14 am ]
Post subject:  Re: GEGL Gradient Map
I wonder of paint select's raw GEGL operation will compile on 2.10? Not the new brush in Gimp 3 but the raw GEGL Operation behind it.
Author:  contrast_ [ Tue May 17, 2022 12:36 pm ]
Post subject:  Re: GEGL Gradient Map
ImageHSL color goes good with Gradient map
Author:  MareroQ [ Wed May 18, 2022 10:00 am ]
Post subject:  Re: GEGL Gradient Map
The case is a little different.
Lost Gegl Operations are available in GEGL code.
It is up to the compiler whether to include them - they are turned off by default as experimental (workshop = false).

Workshop contains (list of gegl-0.4.16):

aces-rrt.dll
bayer-matrix.dll
bilateral-filter-fast.dll
connected-components.dll
demosaic-bimedian.dll
demosaic-simple.dll
ditto.dll
domain-transform.dll
enlarge.dll
gcr.dll
gradient-map.dll
hstack.dll
inpaint.dll
integral-image.dll
linear-sinusoid.dll
rawbayer-load.dll
segment-kmeans.dll
selective-hue-saturation.dll
voronoi-diagram.dll

external:
gluas.dll
line-profile.dll
spyrograph.dll

generated:
average.dll
blend-reflect.dll
negation.dll
soft-burn.dll
soft-dodge.dll
subtractive.dll

File for Windows 64bit in the attachment WITHOUT ANY WARRANTY!

Attachments:
Gradmap.jpg
Gradmap.jpg [ 101.86 KiB | Viewed 986 times ]
gradient-map_Win64bit.zip [52.03 KiB]
Downloaded 50 times
Author:  MareroQ [ Thu May 19, 2022 2:11 am ]
Post subject:  Re: GEGL Gradient Map
I do not know if anyone is interested in it, but apart from the information provided, I would like to add that currently (Gegl-0.4.35 in Windows) creates one file gegl-workshop.dll out of 17 source files:
aces-rrt.c
alpha-inpaint.c
band-tune.c
bilateral-filter-fast.c
boxblur.c
boxblur-1d.c
connected-components.c
demosaic-bimedian.c
demosaic-simple.c
ditto.c
gcr.c
gradient-map.c
integral-image.c
rawbayer-load.c
segment-kmeans.c
selective-hue-saturation.c

Attachments:
Gegl-0.4.35.jpg
Gegl-0.4.35.jpg [ 187.27 KiB | Viewed 947 times ]
Author:  mahvin [ Thu May 19, 2022 10:54 pm ]
Post subject:  Re: GEGL Gradient Map
The Vignette GEGL Operation was more powerful than the one you can use in GEGL Graph. I did not see that on the list at all.
Author:  mahvin [ Thu May 19, 2022 11:07 pm ]
Post subject:  Re: GEGL Gradient Map
This is a picture of me and my granddaughter I took with my cellphone, and then after running it through GMIC and using the gradient map.

Image
Author:  MareroQ [ Fri May 20, 2022 1:09 am ]
Post subject:  Re: GEGL Gradient Map
Was this gegl filter different?

Attachments:
Gegl Vignette.jpg
Gegl Vignette.jpg [ 123.34 KiB | Viewed 909 times ]
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