________________________________
From: Benjamin Root <ben.r...@ou.edu>
To: Michael Rawlins <rawlin...@yahoo.com>
Cc: "matplotlib-users@lists.sourceforge.net"
<matplotlib-users@lists.sourceforge.net>
Sent: Thursday, January 19, 2012 10:07 AM
Subject: Re: [Matplotlib-users] placing colorbar when using subplot command
On Thursday, January 19, 2012, Michael Rawlins <rawlin...@yahoo.com> wrote:
>
>
>
> Forum:
>
> Still unable to get a colorbar alongside the panels in this simple example.
> One last request for assistance. Thanks.
>
> Mike
>
> import sys,getopt
> from mpl_toolkits.basemap import Basemap, shiftgrid, cm
> #from netCDF3 import Dataset as NetCDFFile
> from mpl_toolkits.basemap import NetCDFFile
> from pylab import *
> import matplotlib.pyplot as plt
>
> cmap = cm.get_cmap('jet', 10) # 10 discrete colors
>
> m = Basemap(llcrnrlon=-80.6,llcrnrlat=38.4,urcrnrlon=-66.0,urcrnrlat=47.7,\
> resolution='l',area_thresh=1000.,projection='lcc',\
> lat_1=65.,lon_0=-73.3)
> xtxt=200000. #offset for text
> ytxt=200000.
> parallels = arange(38.,48.,2.)
> meridians = arange(-80.,-64.,2.)
>
> xsize = rcParams['figure.figsize'][0]
> fig=figure(figsize=(xsize,m.aspect*xsize))
>
> ############################################################################################
> subplots_adjust(left=None, bottom=None, right=None, top=None, wspace=0.15,
> hspace=0.11)
> # Make the first map
> plt.subplot(1,2,1)
>
> # draw coastlines and political boundaries.
> m.drawcoastlines()
> m.drawcountries()
> m.drawstates()
>
> # Here make a colorbar.
> cax = axes([0.88, 0.1, 0.06, 0.81]) # colorbar axes for map w/ graticule
> #colorbar(format='%3.1f', ticks=[-1.5, -1.2, -0.9, -0.6, -0.3, 0.0, 0.3, 0.6,
> 0.9, 1.2, 1.5], cax=cax)
> #colorbar(cax=cax)
>
> # Make the second map
> #########################################################################
> plt.subplot(1,2,2)
> # draw coastlines and political boundaries.
> m.drawcoastlines()
> m.drawcountries()
> m.drawstates()
>
> plt.show()
> plt.savefig("map.eps")
> plt.clf() # Clears the figure object
>
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>
I recommend upgrading to v1.1.0. There are some PPAs out there that has a more
recent version of mpl available as a package. Or you can install from source.
Instructions for doing that is in the FAQ.
Ben Root
Have upgraded to v1.2.x. The example above runs fine. Ideally would like to
place a colorbar to right of each panel or below each panel or one single
colorbar spanning across both maps. Pointers to specific examples or edits to
the code much appreciated. Note: basemap is required to run the example.
Mike------------------------------------------------------------------------------
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