/[escript]/trunk/pyvisi/py_src/datacollector.py
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revision 834 by jongui, Wed Aug 30 07:52:35 2006 UTC revision 835 by jongui, Mon Sep 4 22:20:28 2006 UTC
# Line 1  Line 1 
1  """  """
2    Class that deals with data for the visualization.
 classes dealing with data for the visualization  
   
 @var __author__: name of author  
 @var __license__: licence agreement  
 @var __copyright__: copyrights  
 @var __url__: url entry point on documentation  
 @var __version__: version  
 @var __date__: date of the version  
3  """  """
4    
 __copyright__="""  Copyright (c) 2006 by ACcESS MNRF  
                     http://www.access.edu.au  
                 Primary Business: Queensland, Australia"""  
 __license__="""Licensed under the Open Software License version 3.0  
              http://www.opensource.org/licenses/osl-3.0.php"""  
 __author__="Paul Cochrane, L. Gross"  
 __url__="http://www.iservo.edu.au/esys"  
 __version__="$Revision:$"  
 __date__="$Date:$"  
   
5  import vtk  import vtk
6  from common import *  from common import *
7    
8  class DataCollector(Common):  class DataCollector(Common):
9        """
10        @author: John Ngui
11        @author: Lutz Gross
12        """
13    
14      def __init__(self, open_scene, outline = True):      def __init__(self, open_scene, outline = True):
15            """
16            Initialize all the instance variables.
17    
18            @type open_scene: L{OpenScene <openscene.OpenScene>} object
19            @param open_scene: Scene in which components are to be added to
20            @type outline: Boolean (I{True or False})
21            @param outline: Determines the outline for the rendered object
22            """
23    
24          self.open_scene = open_scene              self.open_scene = open_scene    
25          self.outline = True          self.outline = True
26          self.file_name = None          self.file_name = None
# Line 33  class DataCollector(Common): Line 28  class DataCollector(Common):
28          self.vtk_xml_reader = None          self.vtk_xml_reader = None
29          self.vtk_xml_reader_output = None          self.vtk_xml_reader_output = None
30    
     # set up the file reader and set the file name  
31      def setSource(self, file_name):      def setSource(self, file_name):
32            """
33            Set up the file reader and set the file name.
34    
35            @type file_name: String
36            @param file_name: Name of the file to be read.
37            """
38    
39          self.file_name = file_name          self.file_name = file_name
40          self.vtk_xml_reader = vtk.vtkXMLUnstructuredGridReader()          self.vtk_xml_reader = vtk.vtkXMLUnstructuredGridReader()
41          self.vtk_xml_reader.SetFileName(self.file_name)          self.vtk_xml_reader.SetFileName(self.file_name)
# Line 44  class DataCollector(Common): Line 45  class DataCollector(Common):
45              Common.setMapper(self, "self.vtk_outline.GetOutput()")              Common.setMapper(self, "self.vtk_outline.GetOutput()")
46              Common.setActor(self)              Common.setActor(self)
47              Common.addActor(self)                Common.addActor(self)  
48              Common.setColor(self, 0, 0, 0)              Common.setColor(self, 0, 0, 0) # Default outline is black
               
               
49            
     # return the file reader output  
50      def getReader(self):      def getReader(self):
51            """
52            Return the file reader.
53    
54            @rtype: vtkXMLUnstructuredGridReader
55            @return: VTK XML unstructured grid reader
56            """
57    
58          return self.vtk_xml_reader          return self.vtk_xml_reader
59    
     # set the outline  
60      def setOutline(self):      def setOutline(self):
61            """
62            Set the outline for the rendered object.
63            """
64    
65          self.vtk_outline = vtk.vtkOutlineFilter()          self.vtk_outline = vtk.vtkOutlineFilter()
66          self.vtk_outline.SetInput(self.vtk_xml_reader.GetOutput())            self.vtk_outline.SetInput(self.vtk_xml_reader.GetOutput())  
           
         #vtk_outline_mapper = vtk.vtkPolyDataMapper()  
         #vtk_outline_mapper.SetInput(vtk_outline.GetOutput())  
           
         #vtk_outline_actor = vtk.vtkActor()  
         #vtk_outline_actor.SetMapper(vtk_outline_mapper)  
         #vtk_outline_actor.GetProperty().SetColor(0, 0, 0)    
   
         #self.open_scene.getRenderer().AddActor(vtk_outline_actor)    
       
   
           
           
                           
67    
68    
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