I should add that although I apparently didn't save the pto this way, I was using rectilinear for the projection.
On Monday, 22 March 2021 at 13:54:42 UTC-4 [email protected] wrote: > On Monday, 22 March 2021 at 13:04:05 UTC-4 T. Modes wrote: > >> [email protected] schrieb am Montag, 22. März 2021 um 00:30:10 UTC+1: >> >>> I'm having a rough time trying to make a perspective-corrected mosaic >>> with two photos of a poster in a museum, both taken at sharpish angles. >> >> Any help much appreciated. >>> >> >> There are 2 problems: >> * For scanned images and using horizontal + vertical control points the >> projection of pano should be rectilinear, not equi. >> * There is a very high distortion value in the pto file. >> > > Thanks for this. > > I figured adding the h and v points would help. Is that wrong? > > What's the rule (of thumb?) for deciding on the projection? > > >> I did the following >> * On stitching tab or in fast preview window set panorama projection to >> rectilinear. >> * Now go the photos tab, reset lens parameters in context menu. >> * First optimise position (yaw, pitch and roll) only >> * Then optimise position and translation >> * Go the preview window and adjust field of view and crop. >> > > Thanks. I'll try this. > > Same question as above, is there a rule (of thumb?) for deciding which > things to optimize first? > > I would be happy to be pointed to a document with what I think of as > fairly basic stuff like this explained. The manual doesn't appear to have > been much touched in several years and the tutorials use older versions > and, while they often give great tips, don't explain the basic functioning > of the app in a systematic way. > > For example, I'd have thought what I'm trying to do is like the mosaic > tutorial, but there the optimization is just for translations. > -- 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/e36385c5-f3bb-414d-b0c8-37385ccbf271n%40googlegroups.com.
