/[escript]/trunk/doc/examples/pyvisi/contour.py
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Annotation of /trunk/doc/examples/pyvisi/contour.py

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Revision 1811 - (hide annotations)
Thu Sep 25 23:11:13 2008 UTC (10 years, 10 months ago) by ksteube
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1 ksteube 1811
2     ########################################################
3     #
4     # Copyright (c) 2003-2008 by University of Queensland
5     # Earth Systems Science Computational Center (ESSCC)
6     # http://www.uq.edu.au/esscc
7     #
8     # Primary Business: Queensland, Australia
9     # Licensed under the Open Software License version 3.0
10     # http://www.opensource.org/licenses/osl-3.0.php
11     #
12     ########################################################
13    
14     __copyright__="""Copyright (c) 2003-2008 by University of Queensland
15     Earth Systems Science Computational Center (ESSCC)
16     http://www.uq.edu.au/esscc
17     Primary Business: Queensland, Australia"""
18     __license__="""Licensed under the Open Software License version 3.0
19     http://www.opensource.org/licenses/osl-3.0.php"""
20     __url__="http://www.uq.edu.au/esscc/escript-finley"
21    
22 jongui 1203 """
23     Author: John Ngui, john.ngui@uq.edu.au
24     """
25    
26 ksteube 1147 # Import the necessary modules
27     from esys.pyvisi import Scene, DataCollector, Contour, Camera
28     from esys.pyvisi.constant import *
29 jongui 1148 import os
30 ksteube 1147
31 jongui 1148 PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
32     PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
33 ksteube 1147 X_SIZE = 400
34     Y_SIZE = 400
35    
36     SCALAR_FIELD_POINT_DATA = "temperature"
37     FILE_3D = "interior_3D.xml"
38     IMAGE_NAME = "contour.jpg"
39     JPG_RENDERER = Renderer.ONLINE_JPG
40    
41     # Create a Scene.
42     s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
43     y_size = Y_SIZE)
44    
45     # Create a DataCollector reading a XML file.
46     dc1 = DataCollector(source = Source.XML)
47 jongui 1148 dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
48 ksteube 1147 dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)
49    
50     # Create a Contour.
51     ctr1 = Contour(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST,
52     lut = Lut.COLOR, cell_to_point = False, outline = True)
53     ctr1.generateContours(contours = 3)
54    
55     # Create a Camera.
56 jongui 1148 cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
57 ksteube 1147 cam1.elevation(angle = -40)
58    
59     # Render the object.
60 jongui 1148 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))
61 ksteube 1147

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