Class: TopoJSON

TopoJSON

Feature format for reading and writing data in the TopoJSON format.

new ol.format.TopoJSON(opt_options) experimental

Name Type Description
options optional

Options.

Name Type Description
defaultProjection ol.proj.ProjectionLike

Default projection.

Extends

Methods

readFeatures(source){Array.<ol.Feature>} experimental

Read all features from a TopoJSON source.

Name Type Description
source ArrayBuffer | Document | Node | Object | string

Source.

Returns:
Features.

readProjection(object){ol.proj.Projection} experimental

Read the projection from a TopoJSON source.

Name Type Description
object ArrayBuffer | Document | Node | Object | string

Source.

Returns:
Projection.