I am a newbie in python and I try to plot data like below :
base_dir = 'C:/DATA2013/Day_E/'
nc_fnames = ['20130203.faieb3p4g.nc',
'20130203.faieb3p4g.nc','20130203.faieb3p4g.nc']
# beams
ibeams = [0,1,2]
# Change directory
os.chdir(base_dir)
for i, fname in enumerate(nc_fnames):
# Open file
fd = nc.Dataset(fname, 'r')
# Read variables
beam = fd.variables['beam'][:]
rng = fd.variables['range'][:]
tim = fd.variables['time'][:]
pwr = fd.variables['pwr'][:]
nfft = fd.variables['nfft'][0]
pn = fd.variables['pnoise'][:]
# Close netCDF file
fd.close()
# Specify beam
ibeam = ibeams[i]
# Time convertion
tim = tim/3600.0
#Plot
p_plot = pwr[ibeam]
for it in range(len(tim)):
p_plot[it] = p_plot[it] - pn[ibeam][it] - 10.*np.log10(nfft)
p_plot = p_plot.transpose()
#Specify subplot
pl.subplot(311 + i)#Contour plot
pl.contourf(tim, rng, p_plot) #Plot colorbar
pl.colorbar()
# Set X and Y axis lower/upper limit
set_xy = range(4)
set_xy[0] = 18.0 # x min
set_xy[1] = 30.0 # x max
set_xy[2] = 90.0 # y min
set_xy[3] = 170.0 # y max
pl.axis(set_xy)
# Set labels
pl.xlabel('time (hours)')
pl.ylabel('range (km)')
pl.show()
The result looks like three panels with different colorbar for each panel.
How do I make only one colorbar for all panels? Thank you in advance.
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