Zero-value colour in matplotlib hexbin

Question

I have some spatially-distributed data. I\'m plotting this with matplotlib.pyplot.hexbin and would like to change the \"background\" (i.e. zero-value) colour. An ex

Answer 1

hexbin(x,y,mincnt=1) should do the trick. Essentially, you only want to display the hexagons with more than 1 count in them.

from numpy import linspace
from numpy.random import normal
from pylab import hexbin,show

n = 2**6

x = linspace(-1,1,n)
y = normal(0,1,n)

h = hexbin(x,y,gridsize=10,mincnt=0)

gives,

and h = hexbin(x,y,gridsize=10,mincnt=1) gives,