I echo using the AxesGrid object from the toolkits. Protip -- I have had
trouble making it work with semilog plots. So if that is what you are
doing, it might be worth trying another thing or two first.
Steven
On 12/13/12 9:56 AM, Benjamin Root wrote:
On Thu, Dec 13, 2012 at 10:45 AM, Claus <clausena...@gmail.com
<mailto:clausena...@gmail.com>> wrote:
Hi,
I am trying to plot a colorbar next to each subplot in a figure.
In the following example, I create two figures. In the second
figure, I try to add the colorbars. Is there a way to show the
colorbar next to each subplot. The way I did it, all the colorbars
appear next to the last subplot, take away space from it, and all
are plotted using the "jet" colormap.
Unfortunately, I am not sure how to do this better, and would
appreciate hints.
import numpy as np
import matplotlib.pylab as plt
def main():
# four subplots, no colorbar, so far so good
f, axarr = plt.subplots(2, 2)
axarr[0, 0].imshow(np.random.rand(5,5)*10)
axarr[0, 1].imshow(np.random.rand(5,5))
axarr[1, 0].imshow(np.random.rand(5,5)*100)
axarr[1, 1].imshow(np.random.rand(5,5)*1000)
plt.show()
# four subplots, four colorbars
f, axarr = plt.subplots(2, 2)
a = axarr[0, 0].imshow(np.random.rand(5,5)*10)
cbar1 = f.colorbar(a, cmap='jet')
b = axarr[0, 1].imshow(np.random.rand(5,5))
cbar2 = f.colorbar(b, cmap='Reds')
c = axarr[1, 0].imshow(np.random.rand(5,5)*100)
cbar2 = f.colorbar(c, cmap='Blues')
d = axarr[1, 1].imshow(np.random.rand(5,5)*1000)
cbar2 = f.colorbar(d, cmap='Greens')
plt.show()
if __name__ == '__main__':
main()
I think you are looking for the AxesGrid object from the
mpl_toolkits.axes_grid1 module:
http://matplotlib.org/mpl_toolkits/axes_grid/users/overview.html#axes-grid1
Ben Root
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--
Steven Boada
Doctoral Student
Dept of Physics and Astronomy
Texas A&M University
bo...@physics.tamu.edu
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