/[escript]/branches/windows_from_1456_trunk_merge_to_1459_trunk/pyvisi/py_src/arrow.py
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Revision 1461 - (show annotations)
Fri Mar 28 07:51:34 2008 UTC (12 years, 11 months ago) by trankine
File MIME type: text/x-python
File size: 1647 byte(s)
get the name right
1 """
2 @var __author__: name of author
3 @var __copyright__: copyrights
4 @var __license__: licence agreement
5 @var __url__: url entry point on documentation
6 @var __version__: version
7 @var __date__: date of the version
8 """
9
10 __author__="John Ngui, john.ngui@uq.edu.au"
11 __copyright__=""" Copyright (c) 2006 by ACcESS MNRF
12 http://www.access.edu.au
13 Primary Business: Queensland, Australia"""
14 __license__="""Licensed under the Open Software License version 3.0
15 http://www.opensource.org/licenses/osl-3.0.php"""
16 __url__="http://www.iservo.edu.au/esys"
17 __version__="$Revision$"
18 __date__="$Date$"
19
20
21 import vtk
22
23 class Arrow2D:
24 """
25 Class that defines 2D arrows.
26 """
27
28 def __init__(self):
29 """
30 Initialise the 2D arrows.
31 """
32
33 self.__vtk_arrow2D = vtk.vtkGlyphSource2D()
34 self.__setupArrow2D()
35
36 def __setupArrow2D(self):
37 """
38 Setup the 2D arrows.
39 """
40
41 # Use arrows instead of cone or sphere.
42 self.__vtk_arrow2D.SetGlyphTypeToArrow()
43 # Fill the inside of the arrows.
44 self.__vtk_arrow2D.SetFilled(0)
45
46 def _getArrow2DOutput(self):
47 """
48 Return the output of the 2D arrows.
49
50 @rtype: vtkPolyData
51 @return: Polygonal data
52 """
53
54 return self.__vtk_arrow2D.GetOutput()
55
56
57 ###############################################################################
58
59
60 class Arrow3D:
61 """
62 Class that defines 3D arrows.
63 """
64
65 def __init__(self):
66 """
67 Initialise the 3D arrows.
68 """
69
70 self.__vtk_arrow3D = vtk.vtkArrowSource()
71
72 def _getArrow3DOutput(self):
73 """
74 Return the output of the 3D arrows.
75
76 @rtype: vtkPolyData
77 @return Polygonal data
78 """
79
80 return self.__vtk_arrow3D.GetOutput()
81

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