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

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Revision 1153 - (show annotations)
Thu May 17 06:33:54 2007 UTC (12 years, 3 months ago) by jongui
File MIME type: text/x-python
File size: 1129 byte(s)
Made some minor modifications and fixed minor bugs. Most tests appear to pass on the Altix although there are two tests which occasionally throw an error related to memory corruption.
1 # Import the necessary modules
2 from esys.pyvisi import Scene, DataCollector, Contour, Camera
3 from esys.pyvisi.constant import *
4 import os
5
6 PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
7 PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
8 X_SIZE = 400
9 Y_SIZE = 400
10
11 SCALAR_FIELD_POINT_DATA = "temperature"
12 FILE_3D = "interior_3D.xml"
13 IMAGE_NAME = "contour.jpg"
14 JPG_RENDERER = Renderer.ONLINE_JPG
15
16 # Create a Scene.
17 s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
18 y_size = Y_SIZE)
19
20 # Create a DataCollector reading a XML file.
21 dc1 = DataCollector(source = Source.XML)
22 dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
23 dc1.setActiveScalar(scalar = SCALAR_FIELD_POINT_DATA)
24
25 # Create a Contour.
26 ctr1 = Contour(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST,
27 lut = Lut.COLOR, cell_to_point = False, outline = True)
28 ctr1.generateContours(contours = 3)
29
30 # Create a Camera.
31 cam1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
32 cam1.elevation(angle = -40)
33
34 # Render the object.
35 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))
36

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