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https://bugs.launchpad.net/bugs/668329

Title:
  gts imports surfaces incorrectly (regression from 0.50)

Status in Yet Another Dynamic Engine:
  New

Bug description:
  examples/gts-horse/gts-horse.py does not import the givem gts file
  correctly (all points of the surface as colinear, lying on the
  x-axis?), while running the same script with 0.50 works. The data are
  incorrect as soon as they are imported via

   surf=gts.read(open('horse.coarse.gts'))

  which can be checked with

   print 'volume:',surf.volume()

  (gives  0.00026341826018 with 0.50 and 0 with recent trunk)

  Curiously, 0.50 links to the same libgts library (the reason is not an
  upstream change) and pygts sources in yade tree are always at version
  0.3.1. We should investigate when this regression happened and fix it.

  Parametrically-constructed surfaces work normally.