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

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Revision 1811 - (show annotations)
Thu Sep 25 23:11:13 2008 UTC (10 years, 3 months ago) by ksteube
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1
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 """
23 Author: John Ngui, john.ngui@uq.edu.au
24 """
25
26 # 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 # Create a scalar Legend.
58 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 # Render the object.
69 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH,
70 IMAGE_NAME))

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