import  pandas as  pd
import matplotlib.pyplot  as plt
from mpl_toolkits.mplot3d import Axes3D
import numpy as np

from scipy.interpolate import griddata

fig=plt.figure()
ax = Axes3D(fig)

df=pd.read_csv("02.csv")

x=df["y"]
y=df["x"]
z=df["h"]
x=np.array(x)
y=np.array(y)
z = np.array(z)

ax.plot_trisurf(x,y,z,linewidth=0.1, antialiased=True)
ax.set_zlim(600,800)


C=ax.tricontour(x, y, z,70,zdir='z',offset=650, linewidths=0.3,colors="black" )
#plt.clabel(C,inline=True,fontsize=10)
plt.rcParams['font.sans-serif']=['SimHei']

plt.rcParams['axes.unicode_minus'] =False
plt.title('xxx')


plt.xlabel("x")
plt.ylabel("y")

plt.show()