Re: [Lensfun-users] Generating TCA data for existing correction profiles.

2015-02-28 Thread Torsten Bronger
Hallöchen! junkyardspar...@yepmail.net writes: > My question now is if the TCA correction really need to be at the > same focal lengths as the distortion corrections. No, it needn't. Tschö, Torsten. -- Torsten BrongerJabber ID: torsten.bron...@jabber.rwth-aachen.de

Re: [Lensfun-users] Generating TCA data for existing correction profiles.

2015-02-28 Thread junkyardsparkle
My question now is if the TCA correction really need to be at the same focal lengths as the distortion corrections. This camera doesn't provide precise control of zoom, so I would have to generate a new set of both corrections in order for them to match. -- junkyardsparkle On Fri, Feb 27, 201

Re: [Lensfun-users] Generating TCA data for existing correction profiles.

2015-02-27 Thread Torsten Bronger
Hallöchen! junkyardspar...@yepmail.net writes: > [...] 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. In this case -- which I've observed myself quite frequently -- I'd recommend to use the slider position

Re: [Lensfun-users] Generating TCA data for existing correction profiles.

2015-02-26 Thread junkyardsparkle
On Thu, Feb 26, 2015, at 18:18, junkyardspar...@yepmail.net 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

[Lensfun-users] Generating TCA data for existing correction profiles.

2015-02-26 Thread junkyardsparkle
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