Hi, I've attached a reproducible example : when clabel is used, there are some empty (i.e white) triangles in the countour. It does not occur without clabel.
Tested with matplotlib 1.2.0, python 2.7 on Fedora 14, 64 bits. Cheers, -- Alexis Praga, PhD Student (CERFACS) GPG key : AD4A AF6D BB5C 042F 9422 1223 06E1 C1BF E287 65D0
import matplotlib import numpy as np import matplotlib.cm as cm import matplotlib.mlab as mlab import matplotlib.pyplot as plt deltax = 0.025 deltay = 0.01 x = np.arange(-np.pi, np.pi, deltax) y = np.arange(-np.pi*0.5, np.pi*0.5, deltay) X, Y = np.meshgrid(x, y) centerx= np.pi*0.5 centery= np.pi*0.5 Z = [[np.cos(curx-centerx)*np.cos((cury-centery)) for curx in x] for cury in y] plt.figure() CS = plt.contourf(X, Y, Z,levels=np.arange(-1,1.1,0.1)) plt.colorbar(CS) plt.clabel(CS, inline=1, fontsize=10) plt.show()
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