On Fri, 16 Oct 2015 09:09:48 +0200 [email protected] wrote: > Good morning everybody, > > my question is the following; > > I have a high resolution AFM image where a single feature, let's say a > triangle-like shape, is repeating periodically. No matter in which > directions. > > Of course, since we are talking about raw AFM data, not all the > triangles are perfect, some are properly visible, some are a bit > shady and so on. > > What I would like to do with Gwyddion is to select the best triangle > (say with a crop) and repeat THAT specific best triangle in the > positions of all the other less good triangles. > > I guess the procedure should be the following: > > 1) select with a crop the best triangle > > 2) perform a 2d-correlation to find the positions where I have all the > triangles > > 3) "substitute" to each peak position in the 2d-correlation, the best > triangle. > > Is all this procedure achievable in Gwyddion? > > Thank you a lot for the help!!! > > Stefano
Similar procedure is implemented in Data process->Correct data->Correlation averaging, but this module is a kind of experimental one, so subpixel position of correlation maximum, that was made available recently in API, probably is not used there. WBR, Daniil Bratashov. ------------------------------------------------------------------------------ _______________________________________________ Gwyddion-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gwyddion-users
