geojson.jq

# Create GeoJSON `Feature` values
def feature: {type: "Feature", properties: {}, geometry: .};

# Create GeoJSON `Geometry` values
def geometry($type): {$type, geometry: .};
def point: geometry("Point");
def multipoint: geometry("MultiPoint");
def linestring: geometry("LineString");
def multilinestring: geometry("MultiLineString");
def polygon: geometry("Polygon");
def multipolygon: geometry("MultiPolygon");

# Convert from latitude/longitude structs to GeoJSON coordinates
def lnglat: [.lng, .lat];
def lonlat: [.lon, .lat];
def tude: [.longitude, .latitude];

# Convert from GeoJSON coordinates to latitude/longitude structs
def mklnglat: {lng: .[0], lat: .[1]};
def mklonlat: {lon: .[0], lat: .[1]};
def mktude: {longitude: .[0], latitude: .[1]};