Update 图5-3-1 等高线图.py

Author: Easy-Shu

第5章 数据关系型图表/图5-3-1 等高线图.py

@@ -20,7 +20,8 @@
 
 df=pd.DataFrame(np.loadtxt('等高线.txt'))
 df=df.reset_index()
-
+map_df=pd.melt(df,id_vars='index',var_name='var',value_name='value')
+map_df['var']=map_df['var'].astype(int)
 
 ngridx = 100
 ngridy = 200
@@ -68,4 +69,4 @@
 fig.colorbar(cntr,ax=ax,label="value")                
 CS.levels = [int(val) for val in cntr.levels]
 ax.clabel(CS, CS.levels, fmt='%.0f', inline=True,  fontsize=10)
-#fig.savefig('等高线图3.pdf')
+#fig.savefig('等高线图3.pdf')