* Bernhard <[email protected]> [11-07-14 14:56]: > Hi altogether, > > I applied lens correction to hundreds of images in different film > rolls (and also physical directories) before I recognized that it > does not work as expected - see below. > Is there a way to undo this operation? I prefere no correction over > the wrong one. > > thanks for any possible hint > regards > Bernhard > > [email protected] schrieb am 07.11.2014 um 09:25: > >I noticed that some time ago: > > > >http://sourceforge.net/p/darktable/mailman/darktable-users/thread/537C49FB.4000108%40gourichon.org/#msg32363060 > > > >...although I seem to remember there is an issue open on redmine, I > >can't find it. It renders the autoapply lens-correction quite unusable. > > > >I think that the module should have two different "auto" ticks, one for > >the lens make/model and the other for the focal length/distance etc > >parameters, so that you can decide what will be applied as-is and what > >will be recalculated. By I admit I did not know the internals of > >darktable, and I have no idea on how complex could be implementing this > >in a backward-compatible way... > > > >BTW if you read the linked thread, there is a similar problem for > >auto-exposure module, and I do not know if for others modules. > >Summarizing, there is not a clear way to separate "reapply with exactly > >this parameters" or "reapply recalculating the auto part". In the case > >of the lens correction module is even more complex, given that sometime > >you want to force one of the thing (model) and not the other (focal > >length, etc.). > > > >Romano > > > >On 2014-11-07 02:01, Bernhard wrote: > >>Yes, I must confirm. In the current form automatic lens correction is > >>useless. > >> - as a precondition to get an entry in global settings I have to > >>store a preset in the module. > >> - this fixes focal length, aperture etc. > >> - autoapply will apply e. g. distortion correction for 39mm focal > >>lenght to 24mm pictures => result awful > >> So to get this working as expected I would have to store hundreds of > >>combinations of focal length, aperture, focal distance as presets - no > >>way - at least for me. > >> > >> btw.: my original problem is solved: the string of lens name had been > >>somewhat cut and deleted the closing '%' - and I did not see that > >>because the input box is too short for the full entry ... > >> > >> regards > >> -Bernhard- > >> > >>Jamie Kitson schrieb am 07.11.2014 um 01:50: > >> > >>>>in "global settings" go to the rightest of the four tabs - there > >>>>you can set default behaviour - theoretically. > >>>Thanks for the hint. The way to add one is actually though the > >>>module, as described here: > >>> > >>>http://www.darktable.org/usermanual/ch03s02s02.html.php [2] > >>> > >>>The trouble is that this applies the settings exactly as I store > >>>them, including lens model, focal length, etc, what I want to do is > >>>have lens correction applied and automatically apply the correct, > >>>relevant settings. Is there a way to do this? > >>> > >>>Thanks, Jamie > >>> > >>> > >>> > >>------------------------------------------------------------------------------ > >>>_______________________________________________ > >>>Darktable-users mailing list > >>>[email protected] > >>>https://lists.sourceforge.net/lists/listinfo/darktable-users [1] > >> > >> > >>Links: > >>------ > >>[1] https://lists.sourceforge.net/lists/listinfo/darktable-users > >>[2] http://www.darktable.org/usermanual/ch03s02s02.html.php > >> > >>------------------------------------------------------------------------------ > >> > >>_______________________________________________ > >>Darktable-users mailing list > >>[email protected] > >>https://lists.sourceforge.net/lists/listinfo/darktable-users > >------------------------------------------------------------------------------ > >_______________________________________________ > >Darktable-users mailing list > >[email protected] > >https://lists.sourceforge.net/lists/listinfo/darktable-users >
> ------------------------------------------------------------------------------ > _______________________________________________ > Darktable-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/darktable-users You might look at the associated xmp files and remove the areas related to lense correction, but you might also need to open the library and make similar changes there; use sqlitebrowser (I would save an image of the library first, jic). -- (paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri http://en.opensuse.org openSUSE Community Member facebook/ptilopteri http://wahoo.no-ip.org Photo Album: http://wahoo.no-ip.org/gallery2 Registered Linux User #207535 @ http://linuxcounter.net ------------------------------------------------------------------------------ _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
