Try something like below (there may be better ways to iterate over
indices but the below is what I can think of now).
-JJ
idxy, idxx = np.indices(tmat.shape)
for ix, iy in zip(idxx.flat, idxy.flat):
text(ix-0.5, iy+0.5, "%4.1f"%tmat[iy, ix],
fontsize=12,color='b',name='serif')
On Thu, Sep 24, 2009 at 3:34 AM, Bala subramanian
<bala.biophys...@gmail.com> wrote:
> Friends,
>
> I have a matrix which i plotted with matshow as follows and then used text
> function to write the each value inside the figure by choosing x and y
> coordinate. I wish to know if there is any easy or more fancy way to do the
> same.
>
> mat=load('tnz.txt')
> In [3]: tmat=transpose(mat)
> In [4]: tmat
> Out[4]:
> array([[ 10.2 , 26.4 , 12.2 , 13.6 , 24.6 , 13.9 , 10.2 , 20.6 ,
> 17. , 14.9 , 24.2 , 13. ],
> [ 13.6 , 26.2 , 10.5 , 13.6 , 26.8 , 9.87, 11. , 23.1 ,
> 14.7 , 16.7 , 25.3 , 15.6 ],
> [ 10.7 , 22.4 , 6. , 11.8 , 23.8 , 7.4 , 6.7 , 20.9 ,
> 10.3 , 12.5 , 20.9 , 7.9 ]])
> In [5]: matshow(tmat,cmap=cm.autumn)
> Out[5]: <matplotlib.image.AxesImage object at 0x9a2c7cc>
>
> Now i wanted to give the show the values in the matrix using the text
> function as follows
>
>
> In [8]: text(-.489,.511,'10.2',fontsize=12,color='b',name='serif')
> Out[8]: <matplotlib.text.Text object at 0x9a41e2c>
>
> In [9]: text(.495,.511,'26.4',fontsize=12,color='b',name='serif')
> Out[9]: <matplotlib.text.Text object at 0x9a489ac>
>
>
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