pyvisi/py_src/datacollector.py

"""
Class that deals with data for the visualization.
"""

import vtk
from common import *

class DataCollector(Common):
    """
    @author: John Ngui
    @author: Lutz Gross
    """

    def __init__(self, open_scene, outline = True):
        """
        Initialize all the instance variables. 

        @type open_scene: L{OpenScene <openscene.OpenScene>} object
        @param open_scene: Scene in which components are to be added to
        @type outline: Boolean (I{True or False})
        @param outline: Determines the outline for the rendered object
        """

        self.open_scene = open_scene    
        self.outline = True
        self.file_name = None
        self.vtk_outline = None
        self.vtk_xml_reader = None 
        self.vtk_xml_reader_output = None

    def setSource(self, file_name):
        """ 
        Set up the file reader and set the file name.

        @type file_name: String
        @param file_name: Name of the file to be read.
        """

        self.file_name = file_name
        self.vtk_xml_reader = vtk.vtkXMLUnstructuredGridReader()
        self.vtk_xml_reader.SetFileName(self.file_name)

        if(self.outline == True):
            self.setOutline()
            Common.setMapper(self, "self.vtk_outline.GetOutput()")
            Common.setActor(self)
            Common.addActor(self)   
            Common.setColor(self, 0, 0, 0) # Default outline is black
    
    def getReader(self):
        """
        Return the file reader.

        @rtype: vtkXMLUnstructuredGridReader
        @return: VTK XML unstructured grid reader
        """

        return self.vtk_xml_reader

    def setOutline(self):
        """ 
        Set the outline for the rendered object.
        """

        self.vtk_outline = vtk.vtkOutlineFilter()
        self.vtk_outline.SetInput(self.vtk_xml_reader.GetOutput())  


1	"""
2	Class that deals with data for the visualization.
3	"""
4
5	import vtk
6	from common import *
7
8	class DataCollector(Common):
9	"""
10	@author: John Ngui
11	@author: Lutz Gross
12	"""
13
14	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
25	self.outline = True
26	self.file_name = None
27	self.vtk_outline = None
28	self.vtk_xml_reader = None
29	self.vtk_xml_reader_output = None
30
31	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
40	self.vtk_xml_reader = vtk.vtkXMLUnstructuredGridReader()
41	self.vtk_xml_reader.SetFileName(self.file_name)
42
43	if(self.outline == True):
44	self.setOutline()
45	Common.setMapper(self, "self.vtk_outline.GetOutput()")
46	Common.setActor(self)
47	Common.addActor(self)
48	Common.setColor(self, 0, 0, 0) # Default outline is black
49
50	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
59
60	def setOutline(self):
61	"""
62	Set the outline for the rendered object.
63	"""
64
65	self.vtk_outline = vtk.vtkOutlineFilter()
66	self.vtk_outline.SetInput(self.vtk_xml_reader.GetOutput())
67
68