pcolor does not handle non-array C data #5205
Description
reported via VisTrails/VisTrails#1132
may be a regression from 1.3 series, reported against 1.4.3, verified against master. Not sure what last version it work on was.
import matplotlib.pyplot as plt
import numpy as np
def func3(x, ):
return (1 - x/2 + x**5 + y**3) * np.exp(-x**2 - y**2)
# make these smaller to increase the resolution
dx, dy = 0.05, 0.05
x = np.arange(-3.0, 3.0001, dx)
y = np.arange(-3.0, 3.0001, dy)
X, Y = np.meshgrid(x, y)
Z = func3(X, Y)
# fails
plt.pcolor(X, Y, list(Z))
# plt.pcolor(X, Y, Z) # works