Def Version PTGui 9.1 is out

[hindenhaag]

Hi,

definite version PTGui 9.1 is out:

http://www.ptgui.com/

New explanations in version history, for example align to grid for blue sky and Gigapixel Panos.

https://www.ptgui.com/whatsnew.html?version=90100

Thx Joost!

Cheers,
Heinz