/[escript]/trunk/pyvisi/py_src/average.py
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Contents of /trunk/pyvisi/py_src/average.py

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Revision 2365 - (show annotations)
Mon Apr 6 01:25:25 2009 UTC (10 years, 4 months ago) by gross
File MIME type: text/x-python
File size: 2041 byte(s)
all tests passed under scons on 4 mpi processes with  openmpi on shake34
1
2 ########################################################
3 #
4 # Copyright (c) 2003-2008 by University of Queensland
5 # Earth Systems Science Computational Center (ESSCC)
6 # http://www.uq.edu.au/esscc
7 #
8 # Primary Business: Queensland, Australia
9 # Licensed under the Open Software License version 3.0
10 # http://www.opensource.org/licenses/osl-3.0.php
11 #
12 ########################################################
13
14 __copyright__="""Copyright (c) 2003-2008 by University of Queensland
15 Earth Systems Science Computational Center (ESSCC)
16 http://www.uq.edu.au/esscc
17 Primary Business: Queensland, Australia"""
18 __license__="""Licensed under the Open Software License version 3.0
19 http://www.opensource.org/licenses/osl-3.0.php"""
20 __url__="https://launchpad.net/escript-finley"
21
22 """
23 @var __author__: name of author
24 @var __copyright__: copyrights
25 @var __license__: licence agreement
26 @var __url__: url entry point on documentation
27 @var __version__: version
28 @var __date__: date of the version
29 """
30
31 __author__="John Ngui, john.ngui@uq.edu.au"
32
33
34 from esys.escript import getMPISizeWorld
35 if getMPISizeWorld()==1: import vtk
36
37 class CellDataToPointData:
38 """
39 Class that defines a filter to convert cell data to point data by
40 averaging the data values of all cells using a particular point.
41 """
42
43 def __init__(self, object):
44 """
45 Initialise the cell to point data filter.
46
47 @type object: vtkUnstructuredGrid, etc
48 @param object: Input for the cell to point data filter
49 """
50 if getMPISizeWorld()>1:
51 raise ValueError,"pyvisi.CellDataToPointData is not running on more than one processor."
52 self.__object = object
53 self.__vtk_cell_to_point = vtk.vtkCellDataToPointData()
54
55 self.__setInput()
56
57 def __setInput(self):
58 """
59 Set the input for the cell to point data filter.
60 """
61
62 self.__vtk_cell_to_point.SetInput(self.__object)
63
64 def _getCellToPointOutput(self):
65 """
66 Return the output of the cell to point data filter.
67
68 @rtype: vtkDataSet
69 @return: Data set
70 """
71
72 return self.__vtk_cell_to_point.GetOutput()
73
74

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