test parsing geojson urn style crs definition

node-srs-geojson-url.js

~/projects/node-srs[master]$ node
> var srs = require('srs')
// http://geojson.org/geojson-spec.html#coordinate-reference-system-objects
> srs.parse('urn:ogc:def:crs:OGC:1.3:CRS84')
{ input: 'urn:ogc:def:crs:OGC:1.3:CRS84',
  proj4: '+proj=longlat +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +no_defs',
  srid: 4326,
  auth: 'EPSG',
  pretty_wkt: 'GEOGCS["WGS 84",\n    DATUM["WGS_1984",\n        SPHEROID["WGS 84",6378137,298.257223563,\n            AUTHORITY["EPSG","7030"]],\n        TOWGS84[0,0,0,0,0,0,0],\n        AUTHORITY["EPSG","6326"]],\n    PRIMEM["Greenwich",0,\n        AUTHORITY["EPSG","8901"]],\n    UNIT["degree",0.0174532925199433,\n        AUTHORITY["EPSG","9108"]],\n    AUTHORITY["EPSG","4326"]]',
  esri: false,
  name: 'WGS 84',
  valid: true,
  is_geographic: true }
> srs.parse('urn:ogc:def:crs:EPSG::26912')
{ input: 'urn:ogc:def:crs:EPSG::26912',
  proj4: '+proj=utm +zone=12 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs',
  srid: 26912,
  auth: 'EPSG',
  pretty_wkt: 'PROJCS["NAD83 / UTM zone 12N",\n    GEOGCS["NAD83",\n        DATUM["North_American_Datum_1983",\n            SPHEROID["GRS 1980",6378137,298.257222101,\n                AUTHORITY["EPSG","7019"]],\n            TOWGS84[0,0,0,0,0,0,0],\n            AUTHORITY["EPSG","6269"]],\n        PRIMEM["Greenwich",0,\n            AUTHORITY["EPSG","8901"]],\n        UNIT["degree",0.0174532925199433,\n            AUTHORITY["EPSG","9122"]],\n        AUTHORITY["EPSG","4269"],\n        AXIS["Latitude",NORTH],\n        AXIS["Longitude",EAST]],\n    UNIT["metre",1,\n        AUTHORITY["EPSG","9001"]],\n    PROJECTION["Transverse_Mercator"],\n    PARAMETER["latitude_of_origin",0],\n    PARAMETER["central_meridian",-111],\n    PARAMETER["scale_factor",0.9996],\n    PARAMETER["false_easting",500000],\n    PARAMETER["false_northing",0],\n    AUTHORITY["EPSG","26912"],\n    AXIS["Easting",EAST],\n    AXIS["Northing",NORTH]]',
  esri: false,
  name: 'NAD83 / UTM zone 12N',
  valid: true,
  is_geographic: false }
> srs.parse('urn:ogc:def:crs:EPSG::3857')
{ proj4: '+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over',
  srid: 3857,
  auth: 'EPSG',
  pretty_wkt: 'PROJCS["WGS 84 / Pseudo-Mercator",\n    GEOGCS["WGS 84",\n        DATUM["WGS_1984",\n            SPHEROID["WGS 84",6378137,298.257223563,\n                AUTHORITY["EPSG","7030"]],\n            AUTHORITY["EPSG","6326"]],\n        PRIMEM["Greenwich",0,\n            AUTHORITY["EPSG","8901"]],\n        UNIT["degree",0.0174532925199433,\n            AUTHORITY["EPSG","9122"]],\n        AUTHORITY["EPSG","4326"]],\n    UNIT["metre",1,\n        AUTHORITY["EPSG","9001"]],\n    PROJECTION["Mercator_1SP"],\n    PARAMETER["central_meridian",0],\n    PARAMETER["scale_factor",1],\n    PARAMETER["false_easting",0],\n    PARAMETER["false_northing",0],\n    EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over"],\n    AUTHORITY["EPSG","3857"],\n    AXIS["X",EAST],\n    AXIS["Y",NORTH]]',
  esri: false,
  name: 'Google Maps Global Mercator',
  valid: true,
  is_geographic: false,
  input: 'urn:ogc:def:crs:EPSG::3857' }
>