When I've seen this myself, this distortion is caused by not enough control points in the corners of the frames, in combination with optimisation of all 'abc' lens parameters - this is why Hugin defaults to just optimising 'b' - Bruno
On 27 September 2018 15:40:36 BST, Robert Krawitz <wrote: >Reference original image, taken with an 8 mm lens on a 1.6x crop body >(Sigma 8-16 on Canon 7DmkII) [1] > >I should note that initially everything is fine -- the mapped photos >look reasonable. However, at some point during the optimization >process, and I have not managed to track down when, the below behavior >manifests itself if I'm using a very wide angle lens. I tried to >reproduce it from scratch, but wasn't successful -- I didn't find the >exact point at which things went off the rails. > >It appears that Hugin is cutting off the corners of the frame [2]. >I'm presuming that that's to avoid severe distortion, which is >nevertheless still visible near said corners. When Nona remaps the >images, that corner distortion is still present. Enblend seems to be >able to avoid using those areas [3], but multiblend (which is >otherwise preferable for the most part) doesn't [4]. -- A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ --- You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/hugin-ptx/B8724A81-207D-4A40-8DE8-A47D861C79CF%40postle.net. For more options, visit https://groups.google.com/d/optout.
