/usr/share/pyshared/pyvtk/Field.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 78 79 80 81 82 83 | #!/usr/bin/env python
"""
Field
"""
"""
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: 1.2 $
$Date: 2001-05-31 17:48:54 $
Pearu Peterson
"""
import DataSetAttr
import common
class Field(DataSetAttr.DataSetAttr):
"""Holds VTK Field.
Usage:
Field([<name string>,] arrname_1=<sequence of n_1-sequences>, ...,
arrname_k=<sequence of n_k-sequences>)
Attributes:
data - dictionary of arrays
name
Public methods:
get_size()
to_string(format = 'ascii')
"""
def __init__(self,*args,**kws):
if len(args): name = args[0]
else: name = None
if len(args)>1:
self.warning('Ignoring all arguments except the first')
self.name = self._get_name(name)
data = {}
mx = 0
for k,v in kws.items():
data[k] = self.get_n_seq_seq(v,self.default_value)
mx = max([len(l) for l in data.values()])
for k,v in data.items():
if len(v)<mx:
self.warning('Filling array %s (size=%s) with default value (%s) to obtain size=%s'%(`k`,len(v),self.default_value,mx))
while len(v)<mx:
v.append([self.default_value]*len(v[0]))
self.data = data
def to_string(self,format='ascii'):
ret = ['FIELD %s %s'%(self.name,len(self.data))]
for k,v in self.data.items():
t = self.get_datatype(v)
ret += ['%s %s %s %s'%(k,len(v[0]),len(v),t),
self.seq_to_string(v,format,t)]
return '\n'.join(ret)
def get_size(self):
return len(self.data.values()[0])
def field_fromfile(f,n,sl):
dataname = sl[0]
numarrays = eval(sl[1])
dict = {}
for i in range(numarrays):
l = common._getline(f).split(' ')
assert len(l)==4,`l`
name = l[0].strip()
numcomps = eval(l[1])
numtuples = eval(l[2])
datatype = l[3].lower()
assert datatype in ['bit','unsigned_char','char','unsigned_short','short','unsigned_int','int','unsigned_long','long','float','double'],`datatype`
arr = []
while len(arr)<numcomps*numtuples:
arr += map(eval,common._getline(f).split(' '))
assert len(arr)==numcomps*numtuples
arr2 = []
for j in range(0,numtuples*numcomps,numcomps):
arr2.append(arr[j:j+numcomps])
dict[name] = arr2
return Field(dataname,**dict)
if __name__ == "__main__":
print Field(a=[[2,23],3,3],c=[2,3,4,5]).to_string()
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