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Panorama Projection
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07-26-2024, 10:42 AM
Hi,
I need to script Filters -> Map -> Panorama Projection, but can't find it in the Procedure Browser. Did I miss something, or is it just not available? (GIMP 2.10 on Ubuntu 24.04) TIA Patrick (07-26-2024, 10:42 AM)patrislav Wrote: I need to script Filters -> Map -> Panorama Projection, but can't find it in the Procedure Browser. It is a GEGL function so does not register in the pdb. You can see the parameters here: https://gegl.org/operations/gegl-panoram...ction.html It is possible to script in python a GEGL function using a utility plugin, gegl_command.py The plugin with a very simple example is in this recent post. https://www.gimp-forum.net/Thread-How-do...n-fu--9136 A possible / probable snag is if you do not have a working python. This machine i am using is kubuntu 24.04 / Gimp 2.10.38 from a PPA and an appimage launcher from https://github.com/TasMania17/Gimp-Appim...p-v2.10.38 (It is the whole Gimp but I prefer to keep a regular installation.) ...or the flatpak Gimp also provides python2
07-26-2024, 11:25 AM
Thank you! Do you know if (and how) it's possible to script these GEGL functions from scheme scripts as well?
(I'm way more comfortable in Python than Scheme, but I don't want my script to require an exotic Gimp installation with a obsolete Python version that's EOL since more than four years). (07-26-2024, 11:25 AM)patrislav Wrote: Thank you! Do you know if (and how) it's possible to script these GEGL functions from scheme scripts as well? I have not seen a script-fu version. Not to say one does not exist. see: https://www.gimp-forum.net/Thread-Script...operations The gimp_gmic_qt plugin now has a whole section of map projections, maybe one of those is equivalent.
07-26-2024, 01:28 PM
(07-26-2024, 11:34 AM)rich2005 Wrote:(07-26-2024, 11:25 AM)patrislav Wrote: Thank you! Do you know if (and how) it's possible to script these GEGL functions from scheme scripts as well? It looks like the script-fu approach requires an additional Python plugin as interface towards GEGL (since the Scheme / script-fu API doesn't provide one). So if I need Python anyway, I rather write the whole thing in Python  Now I installed the 2.99.18 flatpak (to avoid relying on a obsolete Python version) and figure out how to use the plugin API. Thanks again!
07-26-2024, 02:57 PM
Quote:....Now I installed the 2.99.18 flatpak (to avoid relying on a obsolete Python version) and figure out how to use the plugin API..... You need to speak to Ofnuts ...
07-26-2024, 04:35 PM
ok, the plugin API as such seems to be straightforward - but not the GEGL part of it. I'm supposed to build "chains" from "nodes" and "connect" them in some special way. When I just want to apply a operation to an image. All code examples I can find use "python-fu" but it seems to be deprecated.
Are there some simple examples for just applying a GEGL operation to an image, from a GIMP Python plugin? Using the recent version of GIMP Python API?
07-27-2024, 10:51 AM
(07-26-2024, 04:35 PM)patrislav Wrote: Are there some simple examples for just applying a GEGL operation to an image, from a GIMP Python plugin? Using the recent version of GIMP Python API? Ok, found it: https://gitlab.gnome.org/GNOME/gimp/-/bl...y3.py#L140 This blog post is also helpful: https://z-uo.medium.com/create-python3-p...ede94e9d1f |
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