Python:地理地图folium标记物icon,圆圈,圆形,热力图,经纬度点之间的线绘制

朱雀 2022-12-25 07:57 436阅读 0赞

# python:地理地图folium标记物icon,圆圈,圆形,热力图,经纬度点之间的线绘制     #

import webbrowser as wb
    import folium
    from folium.plugins import HeatMap, MiniMap, MarkerCluster
    import numpy as np
    
    
    # 绘制热力图
    def draw_heatmap(map):
        data = (
                np.random.normal(size=(100, 3)) *
                np.array([[1, 1, 1]]) +
                np.array([[30, 104, 1]])
        ).tolist()
    
        HeatMap(data).add_to(map)
    
    
    # 增加小地图
    def draw_minimap(map):
        minimap = MiniMap(toggle_display=True,
                          tile_layer='Stamen Watercolor',
                          position='topleft',
                          width=100,
                          height=100)
        map.add_child(minimap)
    
    
    # 在地图上绘制无边框圆形，填充颜色
    def draw_CircleMarker(loc, radius, map):
        folium.CircleMarker(
            location=loc,
            radius=radius,
            color="cornflowerblue",
            stroke=False,
            fill=True,
            fill_opacity=0.6,
            opacity=1,
            popup="{} 像素".format(radius),
            tooltip=str(loc),
        ).add_to(map)
    
    
    # 在地图上绘制一个小Info标记物
    def draw_icon(map, loc):
        mk = folium.features.Marker(loc)
        pp = folium.Popup(str(loc))
        ic = folium.features.Icon(color="blue")
        mk.add_child(ic)
        mk.add_child(pp)
        map.add_child(mk)
    
    
    # 在地图上绘制一个圆圈
    def draw_Circle(map, loc, radius):
        folium.CircleMarker(
            location=loc,
            radius=radius,
            color="red",
            weight=3,
            fill=False,
            fill_opacity=0.6,
            opacity=1,
        ).add_to(map)
    
    
    # 绘制可缩放的标记物数字指示
    def draw_MarkerCluster(map, loc):
        marker_cluster = MarkerCluster().add_to(map)
    
        folium.Marker(
            location=loc,
            popup="弹窗消息1",
            icon=folium.Icon(color="green", icon="ok-sign"),
        ).add_to(marker_cluster)
    
        folium.Marker(
            location=loc,
            popup="弹窗消息2",
            icon=folium.Icon(color="red", icon="remove-sign"),
        ).add_to(marker_cluster)
    
        folium.Marker(
            location=loc,
            popup="弹窗消息3",
            icon=None,
        ).add_to(marker_cluster)
    
    
    # 画线
    def draw_line(map, loc1, loc2):
        kw = {"opacity": 1.0, "weight": 6}
        folium.PolyLine(
            smooth_factor=10,
            locations=[loc1, loc2],
            color="red",
            tooltip="连线两个经纬度点",
            **kw,
        ).add_to(map)
    
    
    def draw_lines(map, coordinates):
        folium.PolyLine(
            smooth_factor=50,
            locations=coordinates,
            color="#FF0000",
            weight=2,
            tooltip="连接多个城市之间的线",
        ).add_to(map)
    
        folium.PolyLine(
            smooth_factor=50,
            locations=coordinates,
            color="grey",
            tooltip="灰色的线条",
            weight=5,
        ).add_to(map)
    
    
    if __name__ == '__main__':
    
        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
    
        map = folium.Map([30., 104.],  # 地图中心
                         tiles='stamentoner',  # stamentoner,Stamen Watercolor,OpenStreetMap'
                         zoom_start=6)
    
        draw_heatmap(map)
        draw_minimap(map)
        draw_CircleMarker(loc=latlngs[0], radius=20, map=map)
        draw_MarkerCluster(map, latlngs[1])
        draw_Circle(map, latlngs[2], radius=15)
        draw_icon(map, latlngs[3])
        draw_line(map, latlngs[0], latlngs[4])
    
        draw_lines(map, latlngs)
    
        map.save('m.html')
        wb.open('m.html')

代码运行后如同所示：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW5ncGhpbA_size_16_color_FFFFFF_t_70][]

更多folium示例请查阅  [https://nbviewer.jupyter.org/github/python-visualization/folium/tree/master/examples/][https_nbviewer.jupyter.org_github_python-visualization_folium_tree_master_examples]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poYW5ncGhpbA_size_16_color_FFFFFF_t_70]: /images/20221120/dfee9820eded44d6861f32b0e063cb92.png
[https_nbviewer.jupyter.org_github_python-visualization_folium_tree_master_examples]: https://nbviewer.jupyter.org/github/python-visualization/folium/tree/master/examples/