Class: WKT

SuperMap.Format.WKT

A class for reading and writing common text. Create a new instance with the SuperMap.Format.WKT constructor.

new SuperMap.Format.WKT(options)

WKT.js, line 13
Name Type Description
options Object

The optional parameters.Its properties will be set to instance. Option specific configuration entries inherit from SuperMap.Format.

Extends

Members

dataObject

When the keepData attribute is set to true, This is the string that is passed to the read operation to be parsed.

keepDataObject

Keep a reference to the data that is read recently (through the attribute). The default value is false

Methods

inherited destroy()

Format.js, line 36

Disposes the resource. The property that references resource is set to null.

extractGeometry(geometry){string}

WKT.js, line 333

Entry point to construct the WKT for a single Geometry object.

Name Type Description
geometry SuperMap.Geometry
Returns:
Type Description
string A WKT string of representing the geometry

read(wkt){SuperMap.Feature.Vector|Array}

WKT.js, line 276

Deserialize a WKT string and return a vector feature or an array of vector features. Supports WKT for POINT, MULTIPOINT, LINESTRING, MULTILINESTRING, POLYGON, MULTIPOLYGON, and GEOMETRYCOLLECTION.

Name Type Description
wkt string

A WKT string
Returns:
Type Description
SuperMap.Feature.Vector | Array A feature or array of features for GEOMETRYCOLLECTION WKT.

write(features){string}

WKT.js, line 301

Serialize a feature or array of features into a WKT string.

Name Type Description
features SuperMap.Feature.Vector | Array.<SuperMap.Feature.Vector>

A feature or array of features
Returns:
Type Description
string The WKT string representation of the input geometries