/[escript]/temp_trunk_copy/doc/examples/pyvisi/contour.py
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revision 1147 by ksteube, Wed May 16 06:39:11 2007 UTC revision 1153 by jongui, Thu May 17 06:33:54 2007 UTC
# Line 1  Line 1 
1  # Import the necessary modules  # Import the necessary modules
2  from esys.pyvisi import Scene, DataCollector, Contour, Camera  from esys.pyvisi import Scene, DataCollector, Contour, Camera
3  from esys.pyvisi.constant import *  from esys.pyvisi.constant import *
4    import os
5    
6  PYVISI_EXAMPLE_MESHES_PATH = "data_meshes/"  PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
7  PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images/"  PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
8  X_SIZE = 400  X_SIZE = 400
9  Y_SIZE = 400  Y_SIZE = 400
10    
# Line 12  FILE_3D = "interior_3D.xml" Line 13  FILE_3D = "interior_3D.xml"
13  IMAGE_NAME = "contour.jpg"  IMAGE_NAME = "contour.jpg"
14  JPG_RENDERER = Renderer.ONLINE_JPG  JPG_RENDERER = Renderer.ONLINE_JPG
15    
   
16  # Create a Scene.  # Create a Scene.
17  s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,  s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
18          y_size = Y_SIZE)          y_size = Y_SIZE)
19    
20  # Create a DataCollector reading a XML file.  # Create a DataCollector reading a XML file.
21  dc1 = DataCollector(source = Source.XML)  dc1 = DataCollector(source = Source.XML)
22  dc1.setFileName(file_name = PYVISI_EXAMPLE_MESHES_PATH + FILE_3D)  dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
23  dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)  dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)
24    
25  # Create a Contour.  # Create a Contour.
# Line 28  ctr1 = Contour(scene = s, data_collector Line 28  ctr1 = Contour(scene = s, data_collector
28  ctr1.generateContours(contours = 3)  ctr1.generateContours(contours = 3)
29    
30  # Create a Camera.  # Create a Camera.
31  cam1 = Camera(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST)  cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
32  cam1.elevation(angle = -40)  cam1.elevation(angle = -40)
33    
34  # Render the object.  # Render the object.
35  s.render(PYVISI_EXAMPLE_IMAGES_PATH + IMAGE_NAME)  s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))
36    

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