Function geomToGeoJSONCRS

pkg/geo/encode.go:90–108

geomToGeoJSONCRS converts a geom to its CRS GeoJSON form.

(t geom.T, long bool)

// geomToGeoJSONCRS converts a geom to its CRS GeoJSON form.
func geomToGeoJSONCRS(t geom.T, long bool) (*geojson.CRS, error) {
	projection, err := geoprojbase.Projection(geopb.SRID(t.SRID()))
	if err != nil {
		return nil, err
	}
	var prop string
	if long {
		prop = fmt.Sprintf("urn:ogc:def:crs:%s::%d", projection.AuthName, projection.AuthSRID)
	} else {
		prop = fmt.Sprintf("%s:%d", projection.AuthName, projection.AuthSRID)
	}
	crs := &geojson.CRS{
		Type: "name",
		Properties: map[string]interface{}{
			"name": prop,
		},
	}
	return crs, nil
}

// SpatialObjectToGeoJSON transforms a given SpatialObject to GeoJSON.
func SpatialObjectToGeoJSON(