[ptx] visible seams in a panaorama

[Thomas Steiner]

> I disagree that your "original pictures have not this vignetting".  I 
> think they have very significant vignetting.
> 
> For example in img_03.jpg, Photoshop reports that the upper left
corner 
> has brightness 69%, the upper center has increased to brightness 80%, 
> and the upper right is again decreased to 67%.

How do you check this exactly and how could I remove vignetting from
pictures? (GIMP?)

> See http://www.janrik.net/PanoPostings/20050816/20050816a.html for
examples.

Your pictures are linked to local files on your harddrive, we can't
access them ;)

Thomas