HERE Routing API 7
In maintenance
Routing API v7 Developer's Guide

# IsolineType

An Isoline describes a reached area in isoline computation. It may consists of multiple components and multiple connections between components.

IsolineType defines the following elements:

Element Description
Range xs:string

Range used to calculate this isoline.

Component  IsolineComponentType

List of components. Component describes one reached area in the isoline.

Connection  IsolineConnectionType

List of connections. Connection may be a ferry which connects 2 islands.

## IsolineComponentType

Component represents independent part of the isoline separated by connections (IsolineConnectionType).

IsolineComponentType defines the following attributes:

Attribute Description
ID  ElementReferenceType

Key that identifies this element uniquely within the response.

IsolineComponentType defines the following elements:

Element Description
Shape  GeoPolylineType

Polygon which covers the reached area.

## IsolineConnectionType

Connection represents the geometry of special links, which were reached, but not included in the components. (IsolineComponentType). These links are connections like ferries.

IsolineConnectionType defines the following elements:

Element Description
FromId  ElementReferenceType

The index of the start component

ToId  ElementReferenceType

The index of the end component

Shape  GeoPolylineType

Shape of the connection