Erik Krause wrote:
Am 08.04.2011 10:43, schrieb Yclept Nemo:
By the way, whats the difference between vertical control point lines
and horizontal control point lines?
-> http://wiki.panotools.org/Horizontal_control_points
-> http://wiki.panotools.org/Vertical_control_points
-> http://wiki.panotools.org/Panotools_internals#Line_control_points
> And is it useful to have these lines across different images
Yes, it is useful. If you want to level your panorama using the horizon
it is best to have horizontal CPs approximately 45° apart.
After trying many times to level a handheld beach pano using horizontal
lines, here's what I did that finally succeeded:
1. Set up horizontal lines from the first frame to each of the other
photos, connecting the left edge point on the horizon to the left edge
point in each case.
2. Set up similar horizontal lines for the right edge points.
3. Optimized everything INCLUDING translation.
Like magic, the horizon straightened itself out.
I think it was the translation that made it work. Optimizing without
translation didn't straighten out the horizon.
Now I need to go back and re-do some of my older panos that had similar
issues.
--
Gnome Nomad
[email protected]
wandering the landscape of god
http://www.cafepress.com/otherend/
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