Problem with numpy 2D Histogram
Jamie Mitchell
jamiemitchell1604 at gmail.com
Fri Jun 20 09:54:34 EDT 2014
On Friday, June 20, 2014 9:46:29 AM UTC+1, Jamie Mitchell wrote:
> Hi folks,
>
>
>
> I'm trying to plot a 2D histogram but I'm having some issues:
>
> from pylab import *
>
> import numpy as np
>
> import netCDF4
>
> hist,xedges,yedges=np.histogram2d(x,y,bins=10)
>
> extent=[xedges[0],xedges[-1],yedges[0],yedges[-1]]
>
> imshow(hist.T,extent=extent,interpolation='nearest')
>
> colorbar()
>
> show()
>
>
>
> After the first line of code I get:
>
> TypeError: Cannot cast array data from dtype('O') to dtype('float64') according to the rule 'safe'
>
>
>
> I'm using python2.7, x and y are type 'numpy.ndarray'
>
>
>
> Cheers,
>
> Jamie
Thanks for your help Peter.
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