The pressure q[0] and q[1] are plotted on two sets of axes in a single figure.
Example generating data: $CLAW/doc/sphinx/example-acoustics-1d/README.html
Resulting plots: $CLAW/doc/sphinx/example-acoustics-1d/plots_3/_PlotIndex.html
#--------------------------
def setplot(plotdata):
#--------------------------
"""
Specify what is to be plotted at each frame.
Input: plotdata, an instance of pyclaw.plotters.data.ClawPlotData.
Output: a modified version of plotdata.
"""
plotdata.clearfigures() # clear any old figures,axes,items data
plotfigure = plotdata.new_plotfigure(name='Solution', figno=1)
# Pressure:
# Set up for axes in this figure:
plotaxes = plotfigure.new_plotaxes()
plotaxes.axescmd = 'subplot(211)'
plotaxes.xlimits = 'auto'
plotaxes.ylimits = [-.5,1.1]
plotaxes.title = 'Pressure'
# Set up for item on these axes:
plotitem = plotaxes.new_plotitem(plot_type='1d')
plotitem.plot_var = 0
plotitem.plotstyle = '-'
plotitem.color = 'b'
# Set up for second item on these axes:
plotitem = plotaxes.new_plotitem(plot_type='1d')
plotitem.plot_var = 0
plotitem.plotstyle = 'o'
plotitem.color = '#ff00ff' # any color supported by matplotlib
# Velocity:
# Set up for second axes in this figure:
plotaxes = plotfigure.new_plotaxes()
plotaxes.axescmd = 'subplot(212)'
plotaxes.xlimits = 'auto'
plotaxes.ylimits = [-.5,.5]
plotaxes.title = 'Velocity'
# Set up for item on these axes:
plotitem = plotaxes.new_plotitem(plot_type='1d')
plotitem.plot_var = 1
plotitem.plotstyle = 'o-'
plotitem.color = 'b'
# Parameters used only when creating html and/or latex hardcopy
# e.g., via pyclaw.plotters.frametools.printframes:
plotdata.printfigs = True # print figures
plotdata.print_format = 'png' # file format
plotdata.print_framenos = 'all' # list of frames to print
plotdata.print_fignos = 'all' # list of figures to print
plotdata.html = True # create html files of plots?
plotdata.html_homelink = '../README.html'# pointer for index page
plotdata.latex = True # create latex file of plots?
plotdata.latex_figsperline = 1 # layout of plots
plotdata.latex_framesperline = 2 # layout of plots
plotdata.latex_makepdf = True # also run pdflatex?
return plotdata