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

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Revision 947 - (hide annotations)
Wed Jan 31 07:17:43 2007 UTC (12 years, 3 months ago) by jongui
File MIME type: text/x-python
File size: 1019 byte(s)
added some epydocs.
1 jongui 943 """
2     @author: John NGUI
3     """
4    
5     import vtk
6    
7     class Arrow2D:
8     """
9     Class that defines 2D arrow.
10     """
11    
12     def __init__(self):
13     """
14     Initialise the 2D arrow.
15     """
16    
17     self.__vtk_arrow2D = vtk.vtkGlyphSource2D()
18     self.__setupArrow2D()
19    
20     def __setupArrow2D(self):
21     """
22     Setup the 2D arrow.
23     """
24    
25 jongui 947 # Use arrow instead of cone or sphere.
26 jongui 943 self.__vtk_arrow2D.SetGlyphTypeToArrow()
27     # Fill the inside of the arrow.
28     self.__vtk_arrow2D.SetFilled(0)
29    
30     def _getOutput(self):
31     """
32 jongui 947 Return the output of the 2D arrow.
33 jongui 943
34     @rtype: vtkPolyData
35     @return: Polygonal data
36     """
37    
38 jongui 947 return self.__vtk_arrow2D.GetOutput()
39 jongui 943
40 jongui 947
41     ###############################################################################
42    
43    
44 jongui 943 class Arrow3D:
45     """
46     Class that defines 3D arrow.
47     """
48    
49     def __init__(self):
50     """
51     Initialise the 3D arrow.
52     """
53    
54     self.__vtk_arrow3D = vtk.vtkArrowSource()
55    
56     def _getOutput(self):
57     """
58 jongui 947 Return the output of the 3D arrow.
59 jongui 943
60     @rtype: vtkPolyData
61     @return Polygonal data
62     """
63    
64 jongui 947 return self.__vtk_arrow3D.GetOutput()
65 jongui 943

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