John, David and Bill: jcupitt@xxxxxxxxx writes: > 2009/1/24 David Gowers <00ai99@xxxxxxxxx>: > > a) You should investigate implementing this interpolation method for > > GEGL rather than GIMP, as in the fairly near future these kinds of > > transformations in GIMP will be implemented through use of GEGL. > > My understanding is that this will not be possible in GEGL as things > stand, since GEGL does not give interpolators the local slopes. In > other words, a GEGL interpolator is just asked for the value at > (double x, double y), it can't find out how closely spaced the > surrounding sample points are. > > No doubt this could be added or changed. I think other interpolator > authors have been asking for this feature as well. > > John > _______________________________________________ > Gimp-developer mailing list > Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx > https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer For example, it is my opinion that pleasant looking and fast downsampling hinges on such information being available to a resampler. ---------------------------------------------------------------------- Suggestion: GSoC season is upon us. I think that building some kind of "gradient information" into GEGL this would make a good GSoC project. Nicolas Robidoux Universite Laurentienne/Laurentian University _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer
