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[tmodes <1101901@xxxxxxxxxxxxxxxxxx>]

I can't reproduce the issue here. 2012.0 works as expected with equirectangular input images. Tested with version from sourceforge and an image with 12000x6000 pixel.
Maybe you have used the translation parameters (e.g. drag in mosaic mode). This does not work with such high hfov (see FAQ for explanation http://wiki.panotools.org/Hugin_FAQ#Why_does_my_output_covers_only_180.C2.B0.3F )

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

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https://bugs.launchpad.net/bugs/1101901

Title:
  Cannot create other projections from equirectangular

Status in Hugin - Panorama Tools GUI:
  Incomplete

Bug description:
  I recently upgraded to Hugin 2012.0.0.  In a previous version, I used
  to be able to stitch a full spherical panorama into a large 360x180
  equirectangular image.  I would then create a new project and include
  this single file.  It would ask what projection it was and what
  horizontal field of view it was.  I could then play around with
  different projections, say stereographic or rectalinear and play with
  directions, etc., and everything work fine.

  Now, with 2012.0.0, this does not work properly. The stereographic
  image, for example, looks like it is circular and  "pinned" at +/- 90.
  Furthermore, when I go back to viewing it with equirectangular, it
  looks like something odd is happening at the edges, as if it doesn't
  know that the original is a 360 image.

  One thing changed since I last used the program.  I made the
  equirectangular file 12000x6000, instead of my old 10000x5000.  Turns
  out that it works fine if I make the equirectangular file 10000x5000.
  However, if I make the file 12000x6000, then go into another program
  (PS Elements) and downsample it to 10000x5000, it doesn't work.

  So, the fix for me is to just make the file 10000x5000.

  (This is on top of the problem that the program crashes a lot...but,
  for that, I just learn to save a lot.)

  By the way, great program...It does some amazing things...

  Thanks,

  T
  ----system info follows---
  Operating System: Windows 7 (build 7601, Service Pack 1), 64-bit edition
  Architecture: 64 bit
  Free memory: 2489432 kiB
  Active Codepage: 1252 (Western European Windows)

  Hugin
  Version: 2012.0.0.a6e4184ad538 built by Matthew Petroff
  Path to resources: C:\Program Files (x86)\Hugin/share/hugin/xrc/
  Path to data: C:\Program Files (x86)\Hugin/share/hugin/data/
  Path to public lensfun database: C:\Program Files (x86)\Hugin/share/lensfun
  Path to user lensfun database: C:\Users\Thomas\AppData\Local\lensfun

  Libraries
  wxWidgets: 2.9.3.0
  libpano13: 2.9.18 
  Boost: 1.49.0
  Exiv2: 0.22.0

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