{ "coordSystem": { "datum": { "name": "D_China_2000", "spheroid": { "axis": 6378137, "flatten": 0.003352810681182319, "name": "China_2000", "type": "SPHEROID_CHINA_2000" }, "type": "DATUM_CHINA_2000" }, "name": "GCS_China_2000", "primeMeridian": { "longitudeValue": 0, "name": "Greenwich", "type": "PRIMEMERIDIAN_GREENWICH" }, "spatialRefType": "SPATIALREF_EARTH_LONGITUDE_LATITUDE", "type": "GCS_CHINA_2000", "unit": "DEGREE" }, "coordUnit": "DEGREE", "distanceUnit": "METER", "epsgCode": 4490, "name": "Longitude / Latitude Coordinate System---GCS_China_2000", "projection": null, "projectionParam": null, "type": "PCS_EARTH_LONGITUDE_LATITUDE" }