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

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Revision 786 - (show annotations)
Tue Jul 25 04:58:05 2006 UTC (13 years, 1 month ago) by gross
File MIME type: text/x-python
File size: 2134 byte(s)
switched off pyvisi
1 # $Id: multiCurveLinePlot.py,v 1.3 2005/11/08 08:23:45 paultcochrane Exp $
2
3 """
4 Example of plotting multiple curves 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 y1 = sin(x)
37 y2 = cos(x)
38 y3 = cos(x)**2
39
40 # example code for how a user would write a script in pyvisi
41 from esys.pyvisi import * # base level visualisation stuff
42 # import the objects to render the scene using the specific renderer
43 if ren_mod == "gnuplot":
44 from esys.pyvisi.renderers.gnuplot import * # gnuplot
45 elif ren_mod == "vtk":
46 from esys.pyvisi.renderers.vtk import * # vtk
47 elif ren_mod == "plplot":
48 from esys.pyvisi.renderers.plplot import * # plplot
49 else:
50 raise ValueError, "Unknown renderer module"
51
52 # define the scene object
53 # a Scene is a container for all of the kinds of things you want to put
54 # into your plot for instance, images, meshes, arrow/vector/quiver plots,
55 # contour plots, spheres etc.
56 scene = Scene()
57
58 # create a LinePlot object
59 plot = LinePlot(scene)
60
61 # add some helpful info to the plot
62 plot.title = 'Example 2D plot'
63 plot.xlabel = 'x'
64 plot.ylabel = 'y'
65
66 plot.linestyle = 'lines'
67
68 # assign some data to the plot
69 plot.setData(x, y1, y2, y3)
70
71 # render the scene to screen
72 scene.render(pause=True,interactive=True)
73
74 # save the scene to file
75 scene.save(fname="multiCurveLinePlot.png", format=PngImage())
76
77 # vim: expandtab shiftwidth=4:
78

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