#範例4-21：3D表面圖：具有輪廓的曲面圖，使用contours屬性顯示和自訂每個軸的輪廓資料
import plotly.graph_objects as go 
 
import pandas as pd 
 
# Read data from a csv 
z_data = pd.read_csv('https://raw.githubusercontent.com/plotly/datasets/master/api_docs/mt_bruno_elevation.csv') 
 
fig = go.Figure(data=[go.Surface(z=z_data.values)]) 
fig.update_traces(contours_z=dict(show=True, usecolormap=True, 
                                  highlightcolor="limegreen", project_z=True)) 
fig.update_layout(title='Mt Bruno Elevation', autosize=False, 
                  scene_camera_eye=dict(x=1.87, y=0.88, z=-0.64), 
                  width=500, height=500, 
                  margin=dict(l=65, r=50, b=65, t=90) 
) 
 
#fig.show() 
fig.write_html('exp4-21.html', auto_open=True)