/[escript]/trunk/doc/examples/pyvisi/contour.py
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revision 1147 by ksteube, Wed May 16 06:39:11 2007 UTC revision 1388 by trankine, Fri Jan 11 07:45:58 2008 UTC
# Line 1  Line 1 
1    """
2    Author: John Ngui, john.ngui@uq.edu.au
3    """
4    
5  # Import the necessary modules  # Import the necessary modules
6  from esys.pyvisi import Scene, DataCollector, Contour, Camera  from esys.pyvisi import Scene, DataCollector, Contour, Camera
7  from esys.pyvisi.constant import *  from esys.pyvisi.constant import *
8    import os
9    
10  PYVISI_EXAMPLE_MESHES_PATH = "data_meshes/"  PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
11  PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images/"  PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
12  X_SIZE = 400  X_SIZE = 400
13  Y_SIZE = 400  Y_SIZE = 400
14    
# Line 12  FILE_3D = "interior_3D.xml" Line 17  FILE_3D = "interior_3D.xml"
17  IMAGE_NAME = "contour.jpg"  IMAGE_NAME = "contour.jpg"
18  JPG_RENDERER = Renderer.ONLINE_JPG  JPG_RENDERER = Renderer.ONLINE_JPG
19    
   
20  # Create a Scene.  # Create a Scene.
21  s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,  s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
22          y_size = Y_SIZE)          y_size = Y_SIZE)
23    
24  # Create a DataCollector reading a XML file.  # Create a DataCollector reading a XML file.
25  dc1 = DataCollector(source = Source.XML)  dc1 = DataCollector(source = Source.XML)
26  dc1.setFileName(file_name = PYVISI_EXAMPLE_MESHES_PATH + FILE_3D)  dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
27  dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)  dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)
28    
29  # Create a Contour.  # Create a Contour.
# Line 28  ctr1 = Contour(scene = s, data_collector Line 32  ctr1 = Contour(scene = s, data_collector
32  ctr1.generateContours(contours = 3)  ctr1.generateContours(contours = 3)
33    
34  # Create a Camera.  # Create a Camera.
35  cam1 = Camera(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST)  cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
36  cam1.elevation(angle = -40)  cam1.elevation(angle = -40)
37    
38  # Render the object.  # Render the object.
39  s.render(PYVISI_EXAMPLE_IMAGES_PATH + IMAGE_NAME)  s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))
40    
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