Hi John, Bruno uses ptodummy to create images for the pto file. It is just one of the very useful tools from Panotools-Script: https://metacpan.org/dist/Panotools-Script I will just intall those tools in a new system now ;)
regards, Luís Henrique Em seg., 27 de dez. de 2021 às 20:38, [email protected] < [email protected]> escreveu: > Wow. > How do you work with a .pto file without images? Create dummy images with > all the correct names? Or something simpler? > > > On Monday, December 27, 2021 at 6:03:18 PM UTC-5 [email protected] wrote: > >> On Mon, 27 Dec 2021 at 15:22, Jon Schewe <[email protected]> wrote: >> >>> >>> With a small experiment I managed to get into this state by telling >>> Hugin to optimize X, Y, Z only for the images. It ran the optimize and told >>> me that the average distance between all control points was zero. At this >>> point the project appears to be in an unusable state. >>> >>> >>> Maybe attach a PTO project (no need for the images), it may be obvious >>> what the problem is. >>> >>> >>> >>> Attached. >>> >> >> I needed to change the output projection from cylindrical to rectilinear, >> the panorama angle of view to 120 degrees, and the canvas size to a more >> reasonable 10000 pixels. The angle of view of 69 degrees for the input >> photos seemed credible. >> >> As already noted, for some reason all the photos were assigned to the >> same stack, so I gave them all a separate stack in the photos tab (I've >> never seen this problem in a project before). >> >> I deleted all the horizontal and vertical control points, these shouldn't >> be necessary for a mosaic unless there are a lack of other features to use >> for alignment. You may want to reintroduce a handful, just to straighten >> things up a bit. >> >> I set optimise -> custom parameters in the photos tab, and then in the >> optimiser tab optimised just X and Y (except the first anchor image) to get >> an initial layout, then I added in the Z parameter for all images (except >> the anchor image) and optimised again. At this point I had a maximum error >> of about 200 pixels which shows that this initial layout is more or less ok. >> >> Then I added in yaw, pitch and roll for all images (I didn't optimise >> roll for the anchor, otherwise the whole panorama might spin without a >> horizontal or vertical control point). This got the maximum error down to >> 120 pixels, so better but not great. >> >> Then I optimised the angle of view of your lens, which reduced from 69 >> degrees to 20 degrees - this is a big difference, if Hugin detected 69 >> degrees in the first place then this would be a bug. >> >> I deleted some obviously bad control points: when a pair of images has a >> good spread of control points, but one of them has a much higher error >> distance, this is a sign that this point needs deleting. >> >> So after all this, the average error is 10 pixels and the maximum error >> is 45, this may be the best you can get with this panorama. >> >> Attached, resulting PTO project. >> >> -- >> Bruno >> >> >> -- >> Bruno >> > -- > 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/265b7090-9719-4225-bc00-c9cb8d1c850bn%40googlegroups.com > <https://groups.google.com/d/msgid/hugin-ptx/265b7090-9719-4225-bc00-c9cb8d1c850bn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- Luis Henrique Camargo Quiroz http://luishcq.br.tripod.com - http://www.christusrex.org/www2/cantgreg http://panoramaslh.net/ -- 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/CAEKSoZaRmQ3LTkTKwkESxD9v7FCw6g%3DbUjwoskYs9Hdsb2BVZw%40mail.gmail.com.
