Module: ol/format/TopoJSON

ol/format/TopoJSON


Classes

TopoJSON

Type Definitions

Options{Object}

Properties:
Name Type Argument Default Description
dataProjection module:ol/proj~ProjectionLike <optional>
 'EPSG:4326'

Default data projection.
layerName string <optional>

Set the name of the TopoJSON topology objects's children as feature property with the specified name. This means that when set to 'layer', a topology like

{
  "type": "Topology",
  "objects": {
    "example": {
      "type": "GeometryCollection",
      "geometries": []
    }
  }
}

will result in features that have a property 'layer' set to 'example'. When not set, no property will be added to features.
layers Array.<string> <optional>

Names of the TopoJSON topology's objects's children to read features from. If not provided, features will be read from all children.

TopoJSONMultiPolygon{module:topojson-specification~Topology}