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  • #21

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Opened Feb 24, 2012 by André Anjos@andre.anjos💬
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Can't read .ppm image with stock Ubuntu 10.10 and 11.04

Created by: laurentes

With the stock installation of Ubuntu 10.10 and 11.04, loading ppm images inside bob is failing. This is caused by a change in the behaviour of the ImageMagick library, which interprets ppm images as color images, instead of grayscale. This might be one of the possible explanation of why canonical did a downgrade to ImageMagick 6.6.0.4-3 in Ubuntu 11.10.

Stock imagemagick versions of several Ubuntu releases:

  • Ubuntu 10.04LTS -> ImageMagick 6.5.7.8-1
  • Ubuntu 10.10 -> ImageMagick 6.6.2.6-1
  • Ubuntu 11.04 -> ImageMagick 6.6.2.6-1
  • Ubuntu 11.10 -> ImageMagick 6.6.0.4-3

This currently makes the following tests failing, as they use .ppm image files:

  • cxx-io-image_codec
  • cxx-ip-rotate
  • python-ip-histo-main
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Reference: bob/bob#21