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

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Revision 827 - (show annotations)
Wed Aug 30 00:08:02 2006 UTC (12 years, 11 months ago) by jongui
File MIME type: text/x-python
File size: 1794 byte(s)
Added:
contour.py and arrows.py


1 """
2 class that shows scalar data by contour surfaces
3
4 @var __author__: name of author
5 @var __license__: licence agreement
6 @var __copyright__: copyrights
7 @var __url__: url entry point on documentation
8 @var __version__: version
9 @var __date__: date of the version
10 """
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 __author__="Paul Cochrane, L. Gross"
17 __url__="http://www.iservo.edu.au/esys"
18 __version__="$Revision:$"
19 __date__="$Date:$"
20
21 import vtk
22
23 class Contour:
24
25 def __init__(self, open_scene, data_collector):
26 self.open_scene = open_scene
27 self.data_collector = data_collector
28 self.vtk_contour = None
29 self.vtk_contour_mapper = None
30 self.vtk_contour_actor = None
31
32 self.setContour()
33 self.setMapper()
34 self.setActor()
35
36 # set up the contour and specify the number and range
37 def setContour(self):
38 self.vtk_contour = vtk.vtkContourFilter()
39 self.vtk_contour.SetInput(self.data_collector.getReader().GetOutput())
40 self.vtk_contour.GenerateValues(5, 0.0, 1.2)
41
42 # set up the mapper and data
43 def setMapper(self):
44 self.vtk_contour_mapper = vtk.vtkPolyDataMapper()
45 self.vtk_contour_mapper.SetInput(
46 self.vtk_contour.GetOutput())
47
48 # set up the actor and add the actor to the scene
49 def setActor(self):
50 self.vtk_contour_actor = vtk.vtkActor()
51 self.vtk_contour_actor.SetMapper(self.vtk_contour_mapper)
52 self.vtk_contour_actor.GetProperty().SetOpacity(0.6)
53
54 self.open_scene.getRenderer().AddActor(self.vtk_contour_actor)
55
56
57 #class ContourOnPlane(Component):
58 """
59 shows scalar data by contour surfaces on a given plane
60 """
61 pass

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