Z.shape = (tot-2,tot-2) Z = Z.T#自定义颜色条colorslist = ['w','gray','aqua']#将颜色条命名为mylist,一共插值颜色条3000个cmaps = colors.LinearSegmentedColormap.from_list('mylist',colorslist,N=3000)#画40层颜色cset = plt.contourf(X,Y,Z,