/[escript]/trunk-mpi-branch/doc/examples/pyvisi/velocityonplanecut.py
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Contents of /trunk-mpi-branch/doc/examples/pyvisi/velocityonplanecut.py

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Revision 1306 - (show annotations)
Tue Sep 18 05:51:09 2007 UTC (11 years, 11 months ago) by ksteube
File MIME type: text/x-python
File size: 1799 byte(s)
New Copyright in each .c .h .cpp and .py file

1 #
2 # $Id$
3 #
4 #######################################################
5 #
6 # Copyright 2003-2007 by ACceSS MNRF
7 # Copyright 2007 by University of Queensland
8 #
9 # http://esscc.uq.edu.au
10 # Primary Business: Queensland, Australia
11 # Licensed under the Open Software License version 3.0
12 # http://www.opensource.org/licenses/osl-3.0.php
13 #
14 #######################################################
15 #
16
17 """
18 Author: John Ngui, john.ngui@uq.edu.au
19 """
20
21 # Import the necessary modules
22 from esys.pyvisi import Scene, DataCollector, VelocityOnPlaneCut, Camera
23 from esys.pyvisi.constant import *
24 import os
25
26 PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
27 PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
28 X_SIZE = 400
29 Y_SIZE = 400
30
31 VECTOR_FIELD_CELL_DATA = "velocity"
32 FILE_3D = "interior_3D.xml"
33 IMAGE_NAME = "velocity.jpg"
34 JPG_RENDERER = Renderer.ONLINE_JPG
35
36 # Create a Scene.
37 s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
38 y_size = Y_SIZE)
39
40 # Create a DataCollector reading from a XML file.
41 dc1 = DataCollector(source = Source.XML)
42 dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
43 dc1.setActiveVector(vector = VECTOR_FIELD_CELL_DATA)
44
45 # Create VelocityOnPlaneCut.
46 vopc1 = VelocityOnPlaneCut(scene = s, data_collector = dc1,
47 viewport = Viewport.SOUTH_WEST, color_mode = ColorMode.VECTOR,
48 arrow = Arrow.THREE_D, lut = Lut.COLOR, cell_to_point = False,
49 outline = True)
50 vopc1.setScaleFactor(scale_factor = 0.5)
51 vopc1.setPlaneToXY(offset = 0.5)
52 vopc1.setRatio(2)
53 vopc1.randomOn()
54
55 # Create a Camera.
56 c1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
57 c1.isometricView()
58 c1.elevation(angle = -20)
59
60 # Render the object.
61 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))
62

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