OpenLayers VectorSource
[Openlayers vectorlayer](https://texonom.com/openlayers-vectorlayer-91f08744b99f4e41b4affd8b405319b3) [Openlayers WebGL Point Layer](https://texonom.com/openlayers-webgl-point-layer-1a3c9487eff54a12a73e271723624b2c) 