well-known-parser
A WKT/WKB/EWKT/EWKB/TWKB/GeoJSON parser and serializer with support for
- Point
- LineString
- Polygon
- MultiPoint
- MultiLineString
- MultiPolygon
- GeometryCollection
Based upon wkx
Examples
The following examples show you how to work with wkx.
import { Point, parse, parseTwkb, parseGeoJSON } from "well-known-parser";
//Parsing a WKT string
var geometry = parse('POINT(1 2)');
//Parsing an EWKT string
var geometry = parse('SRID=4326;POINT(1 2)');
//Parsing a node Buffer containing a WKB object
var geometry = parse(wkbBuffer);
//Parsing a node Buffer containing an EWKB object
var geometry = parse(ewkbBuffer);
//Parsing a node Buffer containing a TWKB object
var geometry = parseTwkb(twkbBuffer);
//Parsing a GeoJSON object
var geometry = parseGeoJSON({ type: 'Point', coordinates: [1, 2] });
//Serializing a Point geometry to WKT
var wktString = new Point(1, 2).toWkt();
//Serializing a Point geometry to WKB
var wkbBuffer = new Point(1, 2).toWkb();
//Serializing a Point geometry to EWKT
var ewktString = new Point(1, 2, undefined, undefined, 4326).toEwkt();
//Serializing a Point geometry to EWKB
var ewkbBuffer = new Point(1, 2, undefined, undefined, 4326).toEwkb();
//Serializing a Point geometry to TWKB
var twkbBuffer = new Point(1, 2).toTwkb();
//Serializing a Point geometry to GeoJSON
var geoJSONObject = new Point(1, 2).toGeoJSON();