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Cactus Code Thorn PUGHSlab
Authors    : Gabrielle Allen (allen@aei.mpg.de),
             Tom Goodale (goodale@aei.mpg.de), 
             Thomas Radke (tradke@aei.mpg.de)
CVS info   : $Header$
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1. Purpose of the thorn:

This thorn provides functionality to extract hyperslabs:
M-dimensional orthogonal subspaces from a given N-dimensional data space
(1 <= M <= N).

Input parameters are
  - the origin of the hyperslab in the data space,
  - the directions it spans, 
  - the extents of the hyperslab
  - downsampling values into each hyperslab dimension


2. Additional information

The term hyperslab and the functionality provided by this thorn are derived
from the HDF5 API (see http://hdf.ncsa.uiuc.edu/HDF5/).

NOTE: the calling interface of PUGHSlab is going to change !