使用es6和rollup重写WebWorldWind。
https://github.com/mapnik/geometry-test-data.git
https://github.com/mapbox/mapnik-vector-tile.git
https://github.com/googlefonts/noto-emoji.git
https://github.com/go-spatial/tegola.git
https://github.com/gravitystorm/openstreetmap-carto.git
https://github.com/openstreetmap/osm2pgsql.git
https://github.com/mapnik/test-data.git
https://github.com/mapbox/protozero.git
https://github.com/mapnik/test-data-visual.git