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

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Thu Sep 25 23:11:13 2008 UTC (10 years, 6 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 jongui 1189 # Import the necessary modules.
27     from esys.pyvisi import Scene, DataCollector, Map, Camera, Legend, Contour
28     from esys.pyvisi import LocalPosition
29     from esys.pyvisi.constant import *
30     import os
31    
32     PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
33     PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
34     X_SIZE = 500
35     Y_SIZE = 500
36    
37     FILE_NAME = "phi_talus_lava.0099.vtu"
38     IMAGE_NAME = "legend.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 from a XML file.
46     dc1 = DataCollector(source = Source.XML)
47     dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \
48     FILE_NAME))
49    
50     # Create a Contour.
51     ctr1 = Contour(scene = s, data_collector = dc1,
52     viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, cell_to_point = False,
53     outline = True)
54     ctr1.generateContours(8, -4.963259999999998, 86.277230000000003)
55     ctr1.setScalarRange(-4.963259999999998, 86.277230000000003)
56    
57 jongui 1191 # Create a scalar Legend.
58 jongui 1189 lg1 =Legend(scene = s, data_collector= dc1, viewport = Viewport.SOUTH_WEST,
59     lut = Lut.COLOR, legend = LegendType.SCALAR)
60     lg1.setOrientationToHorizontal()
61     lg1.setScalarRange(-4.963259999999998, 86.277230000000003)
62     lg1.setTitle(title = "Scalar Bar")
63     lg1.setPosition(LocalPosition(50, 5))
64    
65     # Create a Camera.
66     cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
67    
68 jongui 1210 # Render the object.
69 jongui 1189 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH,
70     IMAGE_NAME))

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