On Thu, Apr 01, 2010 at 01:33:32AM +0100, Owen Pearse wrote: > As far as I am aware a true radial PSDF should be invariant under rotation > of the original image data. > > However the rPSDF in Gwyddion doesn't seem to be invariant under > rotation.
I fixed it, thanks for the report. > which I tested using Gwyddion's "rotate by arbitrary angle" feature Note that generally rotation by arbitrary angle decreases and deforms the PSDF a bit due to interpolation, however, the low-frequency part should be the same. Yeti ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Gwyddion-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gwyddion-users
