Hi,
I am using Basemap to create a grid of 12 images of the world (months of
the year), but I want to have a single colorbar underneath the plots. I
have managed this successfully but I can't manage to shrink the colorbar
width. Currently it extends the entire width of the plotting window,
whereas I'd prefer it to be say extend 80% of the plotting window. I've
tried combining what I have with the shrink argument to colorbar but this
doesn't work. Does anyone know how I can achieve this?
Code:
import numpy as np
import matplotlib.pyplot as plt
import sys
import matplotlib.colors as colors
from mpl_toolkits.basemap import Basemap
from mpl_toolkits.axes_grid1 import AxesGrid
months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct',\
'Nov','Dec']
fig = plt.figure(figsize=(14, 10))
grid = AxesGrid(fig, [0.05,0.05,0.9,0.9], nrows_ncols=(4,3), axes_pad=0.1,
cbar_mode='single', cbar_pad=0.4, cbar_size="7%",
cbar_location='bottom', share_all=True)
m = Basemap(projection='cyl', llcrnrlon=-179.5, llcrnrlat=-59.5, \
urcrnrlon=179.5, urcrnrlat=89.5, resolution='c')
for i, month in enumerate(months):
ax = grid[i]
m.ax = ax
m.drawcoastlines(linewidth=0.1, color='k')
m.drawcountries(linewidth=0.1, color='k')
if i == 0 or i == 3 or i == 6 or i == 9:
m.drawparallels(np.array([-90.0,-60.0,-30.0,0.0,30.0,60.0,90.0]),
labels=[1,0,0,1], fontsize=10, rotation=0,
linewidth=0.2, dashes=[2,2])
else:
m.drawparallels(np.array([-90.0,-60.0,-30.0,0.0,30.0,60.0,90.0]),
labels=[0,0,0,0], fontsize=10, rotation=0,
linewidth=0.2, dashes=[2,2])
if i >= 9:
m.drawmeridians(np.array([-180.0,-120.0,-60.0,0.0,60.0,120.0,180.0]),
labels=[0,0,0,1], fontsize=10, rotation=00,
linewidth=0.2, dashes=[2,2])
else:
m.drawmeridians(np.array([-180.0,-120.0,-60.0,0.0,60.0,120.0,180.0]),
labels=[0,0,0,0], fontsize=10, rotation=00,
linewidth=0.2, dashes=[2,2])
diff = np.random.rand(150,360)
image = m.imshow(diff, cmap=plt.cm.jet, interpolation='nearest')
textstr='%s' % (month)
props = dict(boxstyle='round', facecolor='white', alpha=1.0, ec="white")
ax.text(0.03, 0.1, textstr, transform=ax.transAxes, fontsize=8,
verticalalignment='top', bbox=props)
cbar = fig.colorbar(image, cax=grid.cbar_axes[0], orientation='horizontal')
plt.show()
Thanks,
Martin
*Dr. Martin De Kauwe*
*Research Fellow*
Department of Biological Sciences
E8C Building Room 205
Macquarie University
NSW 2109 Australia
T: +61 2 9850 9256
M: + 61 478 096 086
mdeka...@gmail.com
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