地图绘制

1.canva

http://www.w3school.com.cn/tags/canvas_drawimage.asp

2.gdal

http://download.osgeo.org/gdal/2.4.0/

https://blog.csdn.net/u013929284/article/details/52732910

3.地理数据格式转换（geojson、kml等）

https://blog.csdn.net/u013929284/article/details/52732910

4.百度地图

http://lbsyun.baidu.com/cms/jsapi/reference/jsapi_reference.html#a0b0

5.echarts

http://echarts.baidu.com/tutorial.html#5%20%E5%88%86%E9%92%9F%E4%B8%8A%E6%89%8B%20ECharts

6.datav.aliyun地图

http://datav.aliyun.com/tools/atlas/#&lat=33.50475906922609&lng=104.2822265625&zoom=4