/[escript]/trunk/pyvisi_old/examples/singleArrayLinePlot.py
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Contents of /trunk/pyvisi_old/examples/singleArrayLinePlot.py

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Revision 786 - (show annotations)
Tue Jul 25 04:58:05 2006 UTC (13 years, 2 months ago) by gross
File MIME type: text/x-python
File size: 2118 byte(s)
switched off pyvisi
1 # $Id: singleArrayLinePlot.py,v 1.3 2005/11/08 08:23:45 paultcochrane Exp $
2
3 """
4 Example of plotting a curve using only one input array with pyvisi
5
6 @var __author__: name of author
7 @var __license__: licence agreement
8 @var __copyright__: copyrights
9 @var __url__: url entry point on documentation
10 @var __version__: version
11 @var __date__: date of the version
12 """
13
14 __copyright__=""" Copyright (c) 2006 by ACcESS MNRF
15 http://www.access.edu.au
16 Primary Business: Queensland, Australia"""
17 __license__="""Licensed under the Open Software License version 3.0
18 http://www.opensource.org/licenses/osl-3.0.php"""
19 __author__="Paul Cochrane"
20 __url__="http://www.iservo.edu.au/esys"
21 __version__="$Revision$"
22 __date__="$Date$"
23
24
25 import sys
26 numArgs = len(sys.argv)
27 if numArgs == 1:
28 ren_mod = "vtk"
29 else:
30 ren_mod = sys.argv[1]
31
32 # set up some data to plot
33 from Numeric import *
34
35 x = arange(0,2*pi,0.1, typecode=Float)
36 y = sin(x)
37
38 # example code for how a user would write a script in pyvisi
39 from esys.pyvisi import * # base level visualisation stuff
40 # import the objects to render the scene using the specific renderer
41 if ren_mod == "gnuplot":
42 from esys.pyvisi.renderers.gnuplot import * # gnuplot
43 elif ren_mod == "vtk":
44 from esys.pyvisi.renderers.vtk import * # vtk
45 elif ren_mod == "plplot":
46 from esys.pyvisi.renderers.plplot import * # plplot
47 else:
48 raise ValueError, "Unknown renderer module"
49
50 # define the scene object
51 # a Scene is a container for all of the kinds of things you want to put
52 # into your plot for instance, images, meshes, arrow/vector/quiver plots,
53 # contour plots, spheres etc.
54 scene = Scene()
55
56 # create a LinePlot object
57 plot = LinePlot(scene)
58
59 # add some helpful info to the plot
60 plot.title = 'Example 2D plot'
61 plot.xlabel = 'index'
62 plot.ylabel = 'y'
63
64 plot.linestyle = 'lines'
65
66 # assign some data to the plot
67 plot.setData(y)
68
69 # render the scene to screen
70 scene.render(pause=True, interactive=True)
71
72 # save the scene to file
73 scene.save(fname="singleArrayLinePlot.png", format=PngImage())
74
75 # vim: expandtab shiftwidth=4:
76

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