def pcolor(self, *kwargs):
    plt.pcolor(self.xx, self.yy, self.zz(), *kwargs)
    plt.ion()
    plt.show()
    plt.pause(0.001)
def pcolor(self, *kwargs):
    plt.pcolor(self.xx, self.yy, self.zz(), *kwargs)
    plt.ion()
    plt.show()
    plt.pause(0.001)