Appearance
==========
Following Torsten Brongers calibration guide, I took Raw photos of a modern 
building with my Canon Powershot SX160 IS using CHDK. The TIFF files created by 
calibrate.py were processed with the method 
described in the vimeo tutorial. This way, I created my custom lensfun.xml file 
[2]. When opening one of the Raw photos [1] in ufraw and selecting my camera 
model, it is visible that the image is insufficiently undistorted[3]. Hugin 
however does a proper undistortion, when provided with the a, b and c parameter 
from lensfun.xml. By trying out some older versions of lensfun, it appeared 
that versions prior to January 1st 2014 were undistorted properly [4].

Commit of introduction
======================
41fa7a (Patch #3532 Fix vignetting in case of non-matching crop factors)

Details
=======
The commit is missing a proper message, explaining the details of the changes. 
I don't see the relation between the patch title and the code changes.

References
==========
[1]http://www.file-upload.net/download-11769030/IMG_0803.DNG.html
[2]http://www.file-upload.net/download-11769015/lensfun.xml.html
[3]http://www.file-upload.net/download-11769018/ufraw-lensfun_41fa7a.png.html
[4]http://www.file-upload.net/download-11769031/ufraw-lensfun_f8f0eb.png.html

------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are 
consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
_______________________________________________
Lensfun-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/lensfun-users

Reply via email to