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

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Revision 1809 - (show annotations)
Thu Sep 25 06:43:44 2008 UTC (10 years, 9 months ago) by ksteube
File MIME type: text/x-python
File size: 2041 byte(s)
Copyright updated in all python files

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__="http://www.uq.edu.au/esscc/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 import vtk
35
36 class Arrow2D:
37 """
38 Class that defines 2D arrows.
39 """
40
41 def __init__(self):
42 """
43 Initialise the 2D arrows.
44 """
45
46 self.__vtk_arrow2D = vtk.vtkGlyphSource2D()
47 self.__setupArrow2D()
48
49 def __setupArrow2D(self):
50 """
51 Setup the 2D arrows.
52 """
53
54 # Use arrows instead of cone or sphere.
55 self.__vtk_arrow2D.SetGlyphTypeToArrow()
56 # Fill the inside of the arrows.
57 self.__vtk_arrow2D.SetFilled(0)
58
59 def _getArrow2DOutput(self):
60 """
61 Return the output of the 2D arrows.
62
63 @rtype: vtkPolyData
64 @return: Polygonal data
65 """
66
67 return self.__vtk_arrow2D.GetOutput()
68
69
70 ###############################################################################
71
72
73 class Arrow3D:
74 """
75 Class that defines 3D arrows.
76 """
77
78 def __init__(self):
79 """
80 Initialise the 3D arrows.
81 """
82
83 self.__vtk_arrow3D = vtk.vtkArrowSource()
84
85 def _getArrow3DOutput(self):
86 """
87 Return the output of the 3D arrows.
88
89 @rtype: vtkPolyData
90 @return Polygonal data
91 """
92
93 return self.__vtk_arrow3D.GetOutput()
94

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