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#!/usr/bin/env python
"""
Copyright 2001 Pearu Peterson all rights reserved,
Pearu Peterson <pearu@ioc.ee>
Permission to use, modify, and distribute this software is given under the
terms of the LGPL. See http://www.fsf.org
NO WARRANTY IS EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
$Revision: 1.1 $
$Date: 2001/05/20 12:51:29 $
Pearu Peterson
"""
import DataSet
import string
class StructuredGrid(DataSet.DataSet):
"""The topology of a dataset is described by
dimensions - 3-sequence of positive integers
points - sequence of 3-sequences|3x-sequence
"""
def __init__(self,dimensions,points):
self.dimensions = self.get_3_tuple(dimensions,(1,1,1))
self.points = self.get_3_tuple_list(points,(0,0,0))
if self._check_dimensions():
raise ValueError,'dimensions must be 3-tuple of ints >=1 and matching with the size of points'
def to_string(self, format='ascii'):
t = self.get_datatype(self.points)
ret = ['DATASET STRUCTURED_GRID',
'DIMENSIONS %s %s %s'%self.dimensions,
'POINTS %s %s'%(self.get_size(),t)
]
ret.append(self.seq_to_string(self.points,format,t))
return string.join(ret,'\n')
if __name__ == "__main__":
print StructuredGrid((1,2),[1,2,2,4,4,5.4])
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