With the sigma, since it covers so much ground, its hard to line up exactly
and usually also needs a touch of perspective correction which
requires something more than a batch de-fisher.
Once, you've got your sigma8 parameters in ptgui, a pair of vertical control
points does the job.
Defished fisheye images are also sometimes better in different projections.
An example of what's possible can be found from one of my past tours here.
Sorry, holy OT batman. I am crossing this to the PanoToolsNG@yahoogroups.com
for continued discussions.
Sore point. I recall a message from Thomas Niemann
saying that Sigma 8mm is too distorted to de-fish. I
wish it would be at least possible to correct for
CA/V, so that the profile would feed into
BreezeBrowser Pro and both, BBPro and PTLens become
useable with the Sigma 8mm.
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