Python，地理地图可视化：plotly绘制mapbox地图城市中心点经纬度marker标记

╰半夏微凉° 2022-12-27 14:14 247阅读 0赞

Python地理地图可视化：plotly标记mapbox地图城市中心点经纬度marker

import plotly.graph_objects as go
    
    KEYS = ['中心点经纬度', '维度', '经度', '内容']
    
    
    def get_data():
        city_name = ['北京', '上海', '广州', '深圳', '成都']
    
        latlngs = [[39.929986, 116.395645],  # 北京中心点经纬度
                   [31.249162, 121.487899],  # 上海中心点经纬度
                   [23.120049, 113.30765],  # 广州中心点经纬度
                   [22.546054, 114.025974],  # 深圳中心点经纬度
                   [30.679943, 104.067923]]  # 成都中心点经纬度
    
        lats = []
        lons = []
        for ll in latlngs:
            lats.append(ll[0])
            lons.append(ll[1])
    
        ret = {KEYS[0]: latlngs[4],
               KEYS[1]: lats,
               KEYS[2]: lons,
               KEYS[3]: city_name}
    
        return ret
    
    
    if __name__ == '__main__':
        # 注册mapbox，获得Access tokens
        # https://account.mapbox.com/
        mapbox_access_token = '注册后获得的mapbox Access token'
    
        data = get_data()
        print(data)
    
        center_loc = data[KEYS[0]]
        lats = data[KEYS[1]]
        lons = data[KEYS[2]]
        texts = data[KEYS[3]]
    
        fig = go.Figure(go.Scattermapbox(
            name='中国城市',
            lat=lats,
            lon=lons,
            mode='markers',
            showlegend=True,
            marker=go.scattermapbox.Marker(
                size=15,
                color='red',
                opacity=0.8,
                symbol='circle'  # 可设置 embassy,marker ,更多在 https://labs.mapbox.com/maki-icons/
            ),
            text=texts,
            textfont=dict(size=18),
        ))
    
        fig.update_layout(
            hovermode='closest',
            mapbox=dict(
                accesstoken=mapbox_access_token,
                bearing=0,
                center=go.layout.mapbox.Center(
                    lat=center_loc[0],
                    lon=center_loc[1]
                ),
                pitch=0,
                zoom=3,
            )
        )
    
        fig.show()
    
    # demo
    # https://plotly.com/python/scattermapbox/

结果输出：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW5ncGhpbA_size_16_color_FFFFFF_t_70][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW5ncGhpbA_size_16_color_FFFFFF_t_70]: /images/20221120/50b219c200114f04ad53edc6993e2eba.png