How to set graph (and not figure !) size in matplotlib

Question

I am trying to get a graph in which the square dots touch each other without overlapping. For that, I need a defined graph size so I can adapt my squares' size.

The problem is that I found a lot of ways to control the figure( graph + axes, labels and title) size, but not the graph size itself.

Just so you know, my graph represents dots in some defined position that colors depends on the corresponding value in the matrix (I wish I could send an example, but I do not have enough reputation it seems...)

Thank you,

Molly · Accepted Answer · 2014-11-18 22:34:55Z

2

You can control the axes size within the figure using add_axes:

import matplotlib.pyplot as plt

fig = plt.figure()
fig.add_axes([0.1,0.1,0.5,0.5])
plt.show()

Where the argument to add_axes is rect = l,b,w,h and the units are the fraction of the figure size.

However, if you're trying to get squares that touch but don't overlap, you may want to use imshow:

z = [[5,2,7],[8,1,5],[3,4,10]]
fig = plt.figure()
ax = fig.add_subplot(111)
ax.imshow(z,extent=[3,6,6,9],interpolation='none')

plt.show()

squares plotted with imsho

answered Nov 18, 2014 at 22:34

Molly

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