{ "distanceUnit": "METER", "projectionParam": { "centralParallel": 0, "firstPointLongitude": 0, "rectifiedAngle": 0, "scaleFactor": 1, "falseNorthing": 0, "centralMeridian": 123, "secondStandardParallel": 0, "secondPointLongitude": 0, "azimuth": 0, "falseEasting": 2.15E7, "firstStandardParallel": 0 }, "epsgCode": 21421, "coordUnit": "METER", "name": "Beijing_1954_GK_Zone_21", "projection": { "name": "Gauss_Kruger", "type": "PRJ_GAUSS_KRUGER" }, "type": "PCS_BEIJING_1954_GK_21", "coordSystem": { "datum": { "name": "D_Beijing_1954", "type": "DATUM_BEIJING_1954", "spheroid": { "flatten": 0.003352329869259135, "name": "Krasovsky_1940", "axis": 6378245, "type": "SPHEROID_KRASOVSKY_1940" } }, "unit": "DEGREE", "spatialRefType": "SPATIALREF_EARTH_LONGITUDE_LATITUDE", "name": "GCS_Beijing_1954", "type": "GCS_BEIJING_1954", "primeMeridian": { "longitudeValue": 0, "name": "Greenwich", "type": "PRIMEMERIDIAN_GREENWICH" } } }