/usr/share/pyshared/pyvtk/StructuredGrid.py is in python-pyvtk 0.4.74-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #!/usr/bin/env python
"""
StructuredGrid
"""
"""
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: 1.4 $
$Date: 2007-02-22 08:43:39 $
Pearu Peterson
"""
import DataSet
import common
class StructuredGrid(DataSet.DataSet):
"""
Usage:
StructuredGrid(<3-tuple of dimensions>, <sequence of 3-tuples of points>)
Attributes:
dimensions
points
Public methods:
get_points()
get_size()
get_cell_size()
to_string(format = 'ascii')
get_points()
<DataSetAttr class>(...)
"""
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),
self.seq_to_string(self.points,format,t)]
return '\n'.join(ret)
def get_points(self):
return self.points
def get_cell_size(self):
return len(self.points)
def structured_grid_fromfile(f,self):
l = common._getline(f).split(' ')
assert l[0].strip().lower() == 'dimensions'
dims = map(eval,l[1:])
assert len(dims)==3
l = common._getline(f)
k,n,datatype = [s.strip().lower() for s in l.split(' ')]
if k!='points':
raise ValueError, 'expected points but got %s'%(`k`)
n = eval(n)
assert datatype in ['bit','unsigned_char','char','unsigned_short','short','unsigned_int','int','unsigned_long','long','float','double'],`datatype`
points = []
self.message('\tgetting %s points'%n)
while len(points) < 3*n:
l = common._getline(f)
points += map(eval,l.split(' '))
assert len(points)==3*n
return StructuredGrid(dims,points),common._getline(f)
if __name__ == "__main__":
print StructuredGrid((1,2),[1,2,2,4,4,5.4])
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