The import numpy as np 
The import pandas as pd 
The import matplotlib. Pyplot as PLT 
The from mpl_toolkits import mplot3d 
The import scipy. Interpolate the as IP 
The import matplotlib. Mlab as ml 
The from matplotlib. Colors import LightSource 
The from matplotlib import cm 

Path="E:/Model_building/A/" 
S1=pd. Read_excel (path + "sheet1. XLSX") 

X=np. Array (s1. Iloc [:, 2]) 
Y=np. Array (s1) iloc [:, 3]) 
Z=np. Array (s1. Iloc [:, 4]) 
Xx=np. Linspace (x.m in (), x.m ax ()) 
Yy=np. Linspace (y.m in (), y.m ax ()) 
X, Y=np. Meshgrid (xx, yy) 

Z=IP. Griddata ((x, y), Z (x, y), the method='cubic') 
Contr=PLT. Contour (X, Y, Z, 30) # contour map 

PLT. Figure () 
Ax=PLT. Axes (the projection='3 d') # 3 d topographic map 
Ax. Invert_xaxis () 
Ax. Plot_surface (X, Y, Z, rstride=1, cstride=1, cmap="viridis") 
PLT. The show () 

Excuse me why topographic map, or a color, from top to bottom, and consult