On Thu, Feb 26, 2015, at 18:18, [email protected] wrote: > Hi. I'm working on producing some good TCA correction numbers for the > Olympus XZ-2 (which I presume will also be adaptable to the XZ-1) to > add to the existing profile. My first attempt involved feeding five > images to hugin's tca_correct tool. Using the numbers generated > produced some improvement in four of the five, and overshot to an equal-but- > opposite misalignment in the fifth. In all cases I was able to improve > the results by using the "tca red/blue" sliders in darktable's lensfun > module for fine adjustment. Would it be reasonable to feed those > adjustments back into the generated data, and if so, what would be the > correct way to do that?
Well, after I realized that I stupidly forgot to sign a few of the negative values, the corrections produced by tca_correct actually look very good, so nevermind that part of my question. :) Still wondering about how many focal length divisions would be good, though. -- junkyardsparkle ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Lensfun-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lensfun-users
