On Fri, Oct 27, 2017 at 03:49:04AM -0700, Bob Hanson wrote: > I just completed my first freelance project for a local church and am not > 100% happy with my photos. Here is my tour: > > http://bhimagery.com/photos/church360/ > > I use a Sony a7rii, Rokinon 12 mm fisheye, nodal ninja and I do my best to > level the darn thing. The way I take my 360s is a series of portrait pics. > I angle my camera pointed 30 degrees up and take one picture and rotate my > camera 60 degrees until 360 degrees is achieved, then another row of > pictures with the camera angled down 30 degrees. I then run it through > Hugin. If you look closely to every pic, you will see seams. Any > suggestions on a better technique is appreciated. The 12 mm has a FOV of > 180 degrees, however it doesn't completely capture the zenith and nadir, > hence the need to angle my camera 30 degrees twice. I've seen people leave > the camera at zero (horizontal), take one row of pics, the a couple > straight up in the air and a couple on the ground, however I can never seem > to do that correctly. Any advice is appreciated. > > Thanks, > > Bob
I'll start by saying that these are very good panos. I don't see very many obvious stitching artifacts, and the ones I do see are only apparent when zooming in. So good job so far, you're definitely 95% there. First off, I wouldn't spend too much time trying to ensure everything is perfectly level / plumb in the camera & tripod. That's stuff that can easily be corrected in the stitch. Instead, spend that time making sure your camera & bracket are tuned to the no-parallax point. The best resouce I know of for explaining this is: http://www.johnhpanos.com/epcalib.htm Though it seems to be offline at the moment. Hopefully it's just a temporary server problem. Generally speaking, to correct seam errors as small as the ones I see in your panos, you'll need to do some manual tweaking of the control points. Sometimes I'll also use exclude regions to crop out problematic regions from particular photos. For example, there's a few small glitches on the street curb in your first pano. If you crop out the curb in one of the photos, you can force the seam to happen in the grass, where it's much less likely to be noticable. I talk about this in my sadly-incomplete stitching tutorial here: http://seangreenslade.com/projects/pano/3-stitching.html Specifically check out the "Hiding the Seams" section for an example of what I mentioned above. Your zenith and nadir points actually look really good. Whatever you're doing seems to be working. Don't spend too much time worrying about those, because people will rarely spend any time staring at them. If you'd like to share one of your photo sets + .pto file (on dropbox or something like that), I'd be happy to take a closer look and see if there's anything else I can recommend. --Sean -- 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 hugin-ptx+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/hugin-ptx/20171029214027.GA32554%40coach. For more options, visit https://groups.google.com/d/optout.
