Hallöchen! Moritz Moeller writes:
> I recently started using very shot fisheye lenses (12-14mm) for > event photography. The idea is that you will never catch the right > angle/composition/moment all together at a wedding/party etc. > > Afterwards, you undistort the images and crop to the region with > the best composition, to obtain a FOV more like 35mm or 50mm. > > The problem is that you also want to shift the image around in the > distorted space before undistorting & cropping. Not after. Funny enough, this is mathematically equivalent to perspective correction. Current Lensfun calculates these angles for you based on control points (of vertical/horizontal lines), but Roman already requested a function which gets the angles themselves as parameters. Then, these angles could be exposed in the UI. Tschö, Torsten. -- Torsten Bronger ___________________________________________________________________________ darktable developer mailing list to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org