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

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Thu Sep 25 23:11:13 2008 UTC (10 years, 5 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, Contour, Camera
28 from esys.pyvisi.constant import *
29 import os
30
31 PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
32 PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
33 X_SIZE = 400
34 Y_SIZE = 300
35
36 SCALAR_FIELD_POINT_DATA_1 = "lava"
37 SCALAR_FIELD_POINT_DATA_2 = "talus"
38 FILE_2D = "phi_talus_lava."
39
40 IMAGE_NAME = "seriesofreads"
41 JPG_RENDERER = Renderer.ONLINE_JPG
42
43 # Create a Scene.
44 s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
45 y_size = Y_SIZE)
46
47 # Create a DataCollector reading from a XML file.
48 dc1 = DataCollector(source = Source.XML)
49 dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA_1)
50
51 # Create a Contour.
52 mosc1 = Contour(scene = s, data_collector = dc1,
53 viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, cell_to_point = False,
54 outline = True)
55 mosc1.generateContours(0)
56
57 # Create a second DataCollector reading from the same XML file
58 # but specifying a different scalar field.
59 dc2 = DataCollector(source = Source.XML)
60 dc2.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA_2)
61
62 # Create a second Contour.
63 mosc2 = Contour(scene = s, data_collector = dc2,
64 viewport = Viewport.SOUTH_WEST, lut = Lut.COLOR, cell_to_point = False,
65 outline = True)
66 mosc2.generateContours(0)
67
68 # Create a Camera.
69 cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
70
71 # Read in one file one after another and render the object.
72 for i in range(99, 104):
73 dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \
74 FILE_2D + "%04d.vtu") % i)
75 dc2.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, \
76 FILE_2D + "%04d.vtu") % i)
77
78 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, \
79 IMAGE_NAME + "%04d.jpg") % i)

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