Re: [Matplotlib-users] Stack Plot

[Benjamin R. <ben...@ou...>]

On Thu, Mar 8, 2012 at 5:05 PM, Trillian <sin...@gm...> wrote:

>
> Hello All,
>
> How do I control a width and length of a boxes in a stack plot? Currently
> with the code I have, I can only control the separation or the white-space
> between the two plots. I would like the top plot to be larger in length and
> narrow in width while the bottom plot to have the same width as the top but
> the length to be much shorter than the top. Please see figure.
>
> http://old.nabble.com/file/p33468632/RVs.png RVs.png
>
>
> #!/usr/bin/env python
>
> import asciitable
> data = asciitable.read('RVs.dat')
> # To use the variables in asciitable use col1, col2, etc..
>
> from pylab import *
>
> f = figure()
> subplots_adjust(hspace=1)
>
> ax1 = subplot(211)
> ax1.plot(data.col6,data.col5, 'ko')
> ylabel('RV using GJ406')
> title('RV comparison')
>
> ax2 = subplot(212, sharex=ax1)
> ax2.plot(data.col6,data.col5-data.col6,'ko' )
> xlabel('RV (km/s)')
> ylabel('Residuals (km/s)')
> # The line below takes away the x-axis values from top plot.
> xticklabels = ax1.get_xticklabels()+ax2.get_xticklabels()
> setp(xticklabels, visible=True)
> savefig('RVs.png')
>
> Thanks,
>
> Trillian
>
>
Perhaps GridSpec is what you need:

http://matplotlib.sourceforge.net/users/gridspec.html

Cheers!
Ben Root