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

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Revision 1203 - (hide annotations)
Thu Jun 21 23:17:16 2007 UTC (14 years, 1 month ago) by jongui
File MIME type: text/x-python
File size: 1227 byte(s)
Made some minor changes to the exampels.
1 jongui 1203 """
2     Author: John Ngui, john.ngui@uq.edu.au
3     """
4    
5 ksteube 1147 # Import the necessary modules.
6     from esys.pyvisi import Scene, DataCollector, StreamLine, Camera
7     from esys.pyvisi.constant import *
8 jongui 1148 import os
9 ksteube 1147
10 jongui 1148 PYVISI_EXAMPLE_MESHES_PATH = "data_meshes"
11     PYVISI_EXAMPLE_IMAGES_PATH = "data_sample_images"
12 ksteube 1147 X_SIZE = 400
13     Y_SIZE = 400
14    
15     VECTOR_FIELD_CELL_DATA = "temperature"
16     FILE_3D = "interior_3D.xml"
17     IMAGE_NAME = "streamline.jpg"
18     JPG_RENDERER = Renderer.ONLINE_JPG
19    
20     # Create a Scene.
21     s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
22     y_size = Y_SIZE)
23    
24     # Create a DataCollector reading from a XML file.
25     dc1 = DataCollector(source = Source.XML)
26 jongui 1148 dc1.setFileName(file_name = os.path.join(PYVISI_EXAMPLE_MESHES_PATH, FILE_3D))
27 ksteube 1147
28     # Create a Streamline.
29     sl1 = StreamLine(scene = s, data_collector = dc1,
30     viewport = Viewport.SOUTH_WEST, color_mode = ColorMode.SCALAR,
31     lut = Lut.COLOR, cell_to_point = False, outline = True)
32     sl1.setTubeRadius(radius = 0.02)
33 jongui 1158 sl1.setTubeNumberOfSides(3)
34     sl1.setTubeRadiusToVaryByScalar()
35 ksteube 1147
36     # Create a Camera.
37 jongui 1148 c1 = Camera(scene = s, viewport = Viewport.SOUTH_WEST)
38 ksteube 1147 c1.isometricView()
39    
40     # Render the object.
41 jongui 1148 s.render(image_name = os.path.join(PYVISI_EXAMPLE_IMAGES_PATH, IMAGE_NAME))

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