On Fri, Apr 29, 2011 at 7:18 AM, Musa Gabere <musa.a...@gmail.com> wrote:
> Hi Everyone,
>
> I am currently using matplotlib version 0.99 Ubuntu operating system.
>
> I am plotting a figure whose script is as follows. The figure i get is
> usually trimmed off. See the attached
> figure. Is there a way to solve this problem? Thanks
>
> import numpy as np
> import matplotlib.pyplot as plt
>
>
> conf_arr = [[33,2,0,0,0,0,0,0,0,1,3],
>
>
>
> [3,31,0,0,0,0,0,0,0,0,0],
>
>
>
> [0,4,41,0,0,0,0,0,0,0,1],
>
>
>
> [0,1,0,30,0,6,0,0,0,0,1],
>
>
>
> [0,0,0,0,38,10,0,0,0,0,0],
>
>
>
> [0,0,0,3,1,39,0,0,0,0,4],
>
>
>
> [0,2,2,0,4,1,31,0,0,0,2],
>
>
>
> [0,1,0,0,0,0,0,36,0,2,0],
>
>
>
> [0,0,0,0,0,0,1,5,37,5,1],
>
>
>
> [3,0,0,0,0,0,0,0,0,39,0],
>
>
>
> [0,0,0,0,0,0,0,0,0,0,38]]
>
>
>
> norm_conf = []
> for i in conf_arr:
>
>
> a = 0
> tmp_arr = []
>
>
> a = sum(i, 0)
>
>
> for j in i:
> tmp_arr.append(float(j)/float(a))
>
>
>
> norm_conf.append(tmp_arr)
>
> fig = plt.figure()
>
>
> plt.clf()
> ax = fig.add_subplot(111)
>
>
> ax.set_aspect(1)
> res = ax.imshow(np.array(norm_conf), cmap=plt.cm.jet,
>
>
>
> interpolation='nearest')
>
> width = len(conf_arr)
>
>
> height = len(conf_arr[0])
>
>
> for x in xrange(width):
>
>
> for y in xrange(height):
>
>
> ax.annotate(str(conf_arr[x][y]), xy=(x, y),
>
>
>
> horizontalalignment='center',
> verticalalignment='center')
>
>
>
> cb = fig.colorbar(res)
>
>
> alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
> plt.xticks(range(width), alphabet[:width])
>
>
>
> plt.yticks(range(height), alphabet[:height])
>
>
> plt.savefig('confusion_matrix.png', format='png')
>
> Musa,
I just tested your code with the latest in the development branch, and it
appears that whatever bug caused your problem has since been fixed. I don't
know when the fix was made, but hopefully it made it into the v1.0.1
release.
Cheers,
Ben Root
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