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

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Revision 1084 - (show annotations)
Thu Apr 12 05:19:22 2007 UTC (13 years, 4 months ago) by jongui
File MIME type: text/x-python
File size: 1451 byte(s)
Updated the guide and fixed a minor bug with the use of the Camera.
1 # Import the necessary modules.
2 from esys.pyvisi import Scene, DataCollector, Map, ImageReader, Image, Camera
3 from esys.pyvisi import GlobalPosition
4 from esys.pyvisi.constant import *
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 LOAD_IMAGE_NAME = "flinders.jpg"
14 SAVE_IMAGE_NAME = "image.jpg"
15 JPG_RENDERER = Renderer.ONLINE_JPG
16
17 # Create a Scene.
18 s = Scene(renderer = JPG_RENDERER, num_viewport = 1, x_size = X_SIZE,
19 y_size = Y_SIZE)
20
21 # Create a DataCollector reading from a XML file.
22 dc1 = DataCollector(source = Source.XML)
23 dc1.setFileName(file_name = PYVISI_EXAMPLE_MESHES_PATH + FILE_3D)
24
25 # Create a Map.
26 m1 = Map(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST,
27 lut = Lut.COLOR, cell_to_point = False, outline = True)
28
29 # Create an ImageReader (in place of DataCollector).
30 ir = ImageReader(ImageFormat.JPG)
31 ir.setImageName(image_name = PYVISI_EXAMPLE_MESHES_PATH + LOAD_IMAGE_NAME)
32
33 # Create an Image.
34 i = Image(scene = s, image_reader = ir, viewport = Viewport.SOUTH_WEST)
35 i.setOpacity(opacity = 0.9)
36 i.translate(0,0,-1)
37 i.setPoint1(GlobalPosition(2,0,0))
38 i.setPoint2(GlobalPosition(0,2,0))
39
40 # Create a Camera.
41 c1 = Camera(scene = s, data_collector = dc1, viewport = Viewport.SOUTH_WEST)
42
43 # Render the object.
44 s.render(PYVISI_EXAMPLE_IMAGES_PATH + SAVE_IMAGE_NAME)
45

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