/[escript]/trunk/pyvisi/examples/singleArrayPlotExample.py
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Annotation of /trunk/pyvisi/examples/singleArrayPlotExample.py

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Revision 637 - (hide annotations)
Thu Mar 23 10:55:31 2006 UTC (14 years, 3 months ago) by gross
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1 cochrane 337 # $Id: singleArrayPlotExample.py,v 1.12 2005/05/24 01:44:15 paultcochrane Exp $
2    
3     """
4     Example of plotting a curve using only one input array with pyvisi
5 gross 637
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 cochrane 337 """
13    
14 gross 637 __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 cochrane 337 # set up some data to plot
26     from Numeric import *
27    
28     x = arange(0,2*pi,0.1, typecode=Float)
29     y = sin(x)
30    
31     # example code for how a user would write a script in pyvisi
32 gross 605 from esys.pyvisi import * # base level visualisation stuff
33 cochrane 337 # import the objects to render the scene using the specific renderer
34 gross 605 from esys.pyvisi.renderers.gnuplot import * # gnuplot
35     #from esys.pyvisi.renderers.vtk import * # vtk
36     #from esys.pyvisi.renderers.plplot import * # plplot
37 cochrane 337
38     # define the scene object
39     # a Scene is a container for all of the kinds of things you want to put
40     # into your plot for instance, images, meshes, arrow/vector/quiver plots,
41     # contour plots, spheres etc.
42     scene = Scene()
43    
44     # create a LinePlot object
45     plot = LinePlot(scene)
46    
47     # add some helpful info to the plot
48     plot.title = 'Example 2D plot'
49     plot.xlabel = 'index'
50     plot.ylabel = 'y'
51    
52     plot.linestyle = 'lines'
53    
54     # assign some data to the plot
55     plot.setData(y)
56    
57     # render the scene to screen
58     scene.render(pause=True, interactive=True)
59    
60     # save the scene to file
61     plot.setData(y) # have to do this now because we've already render()ed
62     # the scene. This requirement will be removed in the
63     # future
64     scene.save(fname="singleArrayLinePlot.png", format=PngImage())
65    
66     # vim: expandtab shiftwidth=4:
67    

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