Hallöchen! Gert van der Plas - Schrama writes:
>> Higher orders with more coefficients always fit your data better. >> But they are also more unstable. > > I totally agree on that. But it does not mean that we should > cripple darktable to do only the common cases. particular for > exceptional cases CA correction is even more important. What > polynomials would you suggest for standard lenses and what type > for Scheimpflug (tilt and shift) conditions? Puh, I don't know. One may have a look at the Adobe models. They also have non-radial terms, and their models base on scientific papers which have some quality I suspect (page 7): http://download.macromedia.com/pub/labs/lensprofile_creator/lensprofile_creator_cameramodel.pdf Tschö, Torsten. -- Torsten Bronger Jabber ID: torsten.bron...@jabber.rwth-aachen.de or http://bronger-jmp.appspot.com ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ darktable-devel mailing list darktable-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-devel
