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[Yuv <695068@xxxxxxxxxxxxxxxxxx>]

** Changed in: hugin
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/695068

Title:
  pano_trafo doesn't flush output, mixed use of C i/o and streams

Status in Hugin - Panorama Tools GUI:
  Fix Released

Bug description:
  Hi all!

  I've had an issue with pano_trafo: The output of the transformed
  coordinates wasn't flushed after each line, so I couldn't use it with
  a pipe on the output end from a Python process; the output just
  wouldn't come. I noticed that the source mixed C-style calls to
  fprintf() etc. with C++ stream i/o, which, if I am not mistaken, is
  considered prone to malfunction. Replacing the C-style i/o with stream
  i/o solved the problem for me.

  At the same time I found it problematic to be limited to working on
  only one image at a time, since I wanted to work on control points. I
  extended pano_trafo to also work without the image number passed on
  the command line: If it doesn't receive the image number on the
  command line, it expects input in the form of triplets <image nr> <x>
  <y>

  My hugin version is Pre-Release 2010.5.0.687a025dd22f, self-built on
  Kubuntu 10.10.

  Find enclosed a patch which reflects my modifications; I hope I did it
  right ;-)

  With regards
  Kay