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[Bug 679398] Re: autopano-sift-c crashes with very wide photos

To: hugin-devs@xxxxxxxxxxxxxxxxxxx
From: rew <679398@xxxxxxxxxxxxxxxxxx>
Date: Mon, 06 Dec 2010 08:41:07 -0000
Reply-to: Bug 679398 <679398@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Tags added: autopano-sift-c fisheye projection

** Changed in: hugin
   Importance: Undecided => Medium

** Changed in: hugin
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/679398

Title:
  autopano-sift-c crashes with very wide photos

Status in Hugin - Panorama Tools GUI:
  Triaged

Bug description:
  With autopano-sift-C 2.5.1

An 8mm fisheye on a full size sensor produces a landscape orientation photo with an angle of view of 260 degrees, calling apsc like this results in no features identified and a segfault:

  autopano-sift-c --projection 2,260 output.pto *.JPG

The transition is sudden: 223, 224, 225 degrees are fine and hundreds of features are detected. 226 degrees and above and 0 features are detected and matching produces a segfault.