Examples

Accessing a CRS definition directly by constant:

let def = crs_definitions::EPSG_4326;

assert_eq!(
    def.proj4,
    r#"+proj=longlat +datum=WGS84 +no_defs"#,
);

assert_eq!(
    def.wkt,
    r#"GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]"#,
);

Lookup a CRS definition by an EPSG code:

# use crs_definitions::Def;
let def = crs_definitions::from_code(4326);

assert_eq!(def, Some(crs_definitions::EPSG_4326));

Lookup a CRS definition by a constant EPSG code:

# use crs_definitions::Def;
const def: Def = crs_definitions::from_code_const::<4326>();

assert_eq!(def, crs_definitions::EPSG_4326);

crs-definitions 0.3.0

Examples