增加 Cloud Optimized GeoTIFF 优化大文件tiff 显示效率

[lzxue]

• L7 Version:
• Platform:
• Mini Showcase(like screenshots):
• CodePen Link:

https://www.cogeo.org/

[lzxue]

数据显示案例

• https://geotiffjs.github.io/cog-explorer/#long=168.453&lat=-17.551&zoom=18&scene=https://oin-hotosm.s3.amazonaws.com/56f9b5a963ebf4bc00074e70/0/56f9c2d42b67227a79b4faec.tif&bands=&pipeline= COG

• https://openlayers.org/en/latest/examples/cog-overviews.html