Something about GeoJSON
Introduction GeoJSON is a subset of JSON. According to GeoJSON site, GeoJSON is a format for encoding a variety of geographic data structures. Currently GeoJSON supports: Point LineString Polygon MultiPoint MultiLineString MultiPolygon With in the geometric objects, we need to add an extra object called Feature. A set of features will be contained in a FeatureCollection objects. Examples Point LineString Polygon Reference GeoJSON site GeoJSON Specification Learn GeoJSON GeoJSON.io JSON Lint