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

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Revision 2365 - (show annotations)
Mon Apr 6 01:25:25 2009 UTC (10 years, 3 months ago) by gross
File MIME type: text/x-python
File size: 1823 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 Geometry:
38 """
39 Class that extracts geometry from data and convert it to polygonal type.
40 """
41
42 def __init__(self, object):
43 """
44 Initialise the geometry filter.
45 """
46 if getMPISizeWorld()>1:
47 raise ValueError,"pyvisi.Geometry is not running on more than one processor"
48 self.__vtk_geometry_filter = vtk.vtkGeometryFilter()
49 self.__object = object
50 self.__setInput()
51
52 def __setInput(self):
53 """
54 Set the input for the geometry filter
55 """
56
57 self.__vtk_geometry_filter.SetInput(self.__object)
58
59 def _getGeometryOutput(self):
60 """
61 Return the output of the rotation.
62
63 @rtype: vtkPolyData
64 @return: Polygonal data
65 """
66 return self.__vtk_geometry_filter.GetOutput()

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