| Mailinglist: | PanoTools NG |
| Sender: | panokaemena@... |
| Date/Time: | 2014-Nov-05 11:13:14 |
| Subject: | Re: Can I fix line errors in PTGui? |
What I can clearly see is that your lens is not properly adjusted on your panohead ! it is clearly NOT at the nodal point or for better understanding "Non Parallax Point? here a good tutorial HOW to find the non parallax point http://www.johnhpanos.com/epcalib.htm <http://www.johnhpanos.com/epcalib.htm> Willy > On Nov 5, 2014, at 3:12, Moafaq #removed# [PanoToolsNG] <#removed#> wrote: > > Example of line errors: > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/studioLineError.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/studioLineError.j...> > I luckily fixed the line when I masked the angled images: > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/masked.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/masked.jpg>> > > Is there an easy way I could fix parallax line errors in PTGui Pro before > blending? In the following photo: > > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/lineError.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/lineError.jpg>> > the stairs appears in 4 images (2 at 0 degree and 2 at -45 degree). I tried > to add control points on each line of the stairs between the 4 images but > there were already enough control points and so it was automatically > assigned. I also tried to mask out the stairs in the two shot at -45 but > encountered other small line problems on the chair and floor (see below > picture) but it was better result. I had to align the images every time I > use mask. > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/AfterMask.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/AfterMask.jpg>> > > I?m using D7000 with 16-85mm at 16mm on 303SPH head & 190XPROB tripod. I use > tripod legs to level the head so levelling is not 100% right but I think > levelling doesn?t affect parallax point! am I right? > I take around 32-38 images for one panorama: > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/overlayMode.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/overlayMode.jpg&g...> > > In the Show Seams mode, the line of the stair looks just fine unlike the > blending mode: > <http://panotools-ng.586017.n4.nabble.com/file/n4658311/showSeams.jpg <http://panotools-ng.586017.n4.nabble.com/file/n4658311/showSeams.jpg>> > > The way I use to find the nodal point on the 303SPH is to point the camera > downward @-90 degree and turn on the viewfinder grid. move both the base > plate and the camera plate to the centre of the head. Then, point the camera > at 0 degree and move the 3rd base plate back and forth. I guess my head > setting is right so why I'm always getting line errors!? shall I just use > fisheye lens to make life easier! > > The following tutorial (http://www.rosaurophotography.com/html/PS4.html <http://www.rosaurophotography.com/html/PS4.html>) is > good if the line has short length. > > Thank you > > ----- > MOAFAQ.com <http://moafaq.com/> > -- > View this message in context: http://panotools-ng.586017.n4.nabble.com/Can-I-fix-line-errors-in-PTGui-... <http://panotools-ng.586017.n4.nabble.com/Can-I-fix-line-errors-in-PTGui-...> > Sent from the PanoTools NG mailing list archive at Nabble.com <http://nabble.com/>. > >