source: anuga_core/source/anuga/examples/sww_file_visualiser_example.py @ 3678

Last change on this file since 3678 was 3678, checked in by steve, 18 years ago

Added more limiting to cells near dry cells, use beta_*_dry

File size: 1.5 KB
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1##########
2# Demonstration of the VTK sww Visualiser
3# Jack Kelly
4# September 2006
5##########
6
7# Import the offline visualiser
8from anuga.visualiser import OfflineVisualiser
9
10# The argument to OfflineVisualiser is the path to a sww file
11o = OfflineVisualiser("../../swollen_viewer/tests/cylinders.sww")
12#o = OfflineVisualiser("../../../../anuga_validation/analytical solutions/circular_second_order.sww")
13
14# Specify the height-based-quantities to render.
15# Remember to set dynamic=True for time-varying quantities
16o.render_quantity_height("elevation", dynamic=False)
17o.render_quantity_height("stage", dynamic=True)
18
19# Colour the stage:
20# Either with an RGB value as a 3-tuple of Floats,
21#o.colour_height_quantity('stage', (0.0, 0.0, 0.8))
22# Or with a function of the quantities at that point, such as the stage height:
23# 0 and 10 are the minimum and maximum values of the stage.
24o.colour_height_quantity('stage', (lambda q:q['stage'], 0, 10))
25# Or with the magnitude of the momentum at that point:
26# Needs the sqrt function from Numeric. Again, 0 and 10 define the colour range.
27#o.colour_height_quantity('stage', (lambda q:sqrt((q['xmomentum'] ** 2) +
28#                                                 (q['ymomentum'] ** 2)), 0, 10))
29
30# Draw some axes on the visualiser so we can see how big the wave is
31o.render_axes()
32
33# Precaching the height-based quantities reduces the time taken to draw each
34# frame, but increases the time taken when the visualiser starts.
35o.precache_height_quantities()
36
37# Start the visualiser (in its own thread).
38o.run()
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