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

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Revision 943 - (show annotations)
Mon Jan 29 07:22:43 2007 UTC (14 years, 1 month ago) by jongui
File MIME type: text/x-python
File size: 865 byte(s)
new pyvisi files
1 """
2 @author: John NGUI
3 """
4
5 import vtk
6
7 class Cutter:
8 """
9 Class that defines a cutter.
10 """
11
12 def __init__(self, object, plane):
13 """
14 Initialise the cutter.
15
16 @type object: vtkUnstructuredGrid, etc
17 @param object: Input for the cutter
18 @type plane: vtkPlane
19 @param plane: Plane to cut the object
20 """
21
22 self.__object = object
23 self.__plane = plane
24 self.__vtk_cutter = vtk.vtkCutter()
25
26 self.__setInput()
27 self.__setCutFunction()
28 self.__vtk_cutter.Update()
29
30 def __setInput(self):
31 """
32 Set the input for the cutter.
33 """
34
35 self.__vtk_cutter.SetInput(self.__object)
36
37 def __setCutFunction(self):
38 """
39 Set the cut functions.
40 """
41
42 self.__vtk_cutter.SetCutFunction(self.__plane)
43
44 def _getOutput(self):
45 """
46 Return the output of the cutter.
47
48 @rtype: vtkPolyData
49 @return: Polygonal data
50 """
51
52 return self.__vtk_cutter.GetOutput()

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