Is there a way to figure out the optimal dpi for imshow when saving as a png
so that all the pixels are visible?
I do something like the following:
import matplotlib.pyplot as plt
plt.clf()
image = np.random.normal(0,1, (1000,1000))
plt.imshow(I, cmap=plt.cm.gray, interpolation='nearest', aspect='equal')
plt.axis('off')
plt.title('title')
plt.savefig('~/tmp/test.png, dpi=600)
If the size of 'image' is too large or dpi is too small, the elements in the
matrix get blended. I would like to set the dpi to the minimal necessary so
that the elements are distinct.
Any tips appreciated.
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