I've done further testing. With smaller images, thus lower radius and iterations/samples, the problem still arises.
I've done some tests with the "gegl" command line command, and it works just fine. I can definitely apply the operator with something like: gegl -p -o /home/esteve/1.png -x "<gegl><node operation='gegl:c2g'><params><param name='radius'>1800</param><param name='samples'>16</param><param name='iterations'>16</param></params></node><node operation='gegl:load'><params><param name='path'>/home/esteve/2.png</param></params></node></gegl>" It applies the operation and saves the result, so I'd say the problem resides in the GIMP, not in GEGL, or at least in the link between the two. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gimp in Ubuntu. https://bugs.launchpad.net/bugs/1514199 Title: GIMP's GEGL C2G operation hangs Status in gimp package in Ubuntu: New Bug description: When I run GEGL's C2G operator: - The operation hangs (it does not crash, it just hangs) more or less in the middle of the process. - The operator works in rectangles. Some of these rectangles are obviously darker than the rest of the image. - I takes way longer than before. Maybe the parameters have changed their meaning or the internals have changed, and the iterations and samples have to be lower. I don't know right now. I usually run at a radius of 1600, 40 samples, 20 iterations on 16MPix images (4928 x 3264). ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: gimp 2.8.14-1ubuntu2 ProcVersionSignature: Ubuntu 4.2.0-17.21-generic 4.2.3 Uname: Linux 4.2.0-17-generic x86_64 ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 CurrentDesktop: GNOME Date: Sun Nov 8 15:56:51 2015 InstallationDate: Installed on 2014-12-22 (320 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) SourcePackage: gimp UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1514199/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

