For example, if you are interested in a path traveled by a car, you can use PathMatchers.carPathMatcher. For each input probe point, the PathMatchers.carPathMatcher returns a MatchResult. If the matching is successful, the returned MatchResult is OnRoad. An OnRoad MatchResult contains the matched Vertex and the closest point to the probe point on this Vertex.

If the input probes are sparse (typically, less than one probe per second), you should consider using a PathMatchers.carPathMatcherWithTransitions. This HMMPathMatcher can compute Transitions that contain the Vertices between two consecutive OnRoad MatchResults.

You can use PathMatchers.newHMMPathMatcher to define your own HMMPathMatcher. To help you with this task, this package provides the following components:

EmissionProbabilityStrategies for predefined EmissionProbabilityStrategies
TransitionProbabilityStrategies for predefined TransitionProbabilityStrategies

See also:

com.here.platform.location.integration.optimizedmap.mapmatching.PathMatchers for more predefined PathMatchers
CandidateGenerators for predefined CandidateGenerators
MatchedPath for more information about the return type of a PathMatcher

Definition Classes: optimizedmap

package navigationattributes

Definition Classes: optimizedmap

package roadattributes

Definition Classes: optimizedmap

com.here.platform.location.integration.optimizedmap

commonattributes

package commonattributes

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Type Members

final case class SpeedLimit(value: Int, source: SpeedLimitSource) extends Product with Serializable
Speed limit information for the segment.
Speed limit information for the segment.
value
The speed limit value in kilometers per hour, or zero if the speed limit is "unlimited"
source
The source for how the speed limit was collected. See com.here.platform.location.integration.optimizedmap.commonattributes.SpeedLimitSource
sealed trait SpeedLimitSource extends Product with Serializable
The source for how the speed limit was collected.

Value Members

object SpeedLimitSource extends Serializable

Packages

commonattributes

package commonattributes

Type Members

Value Members

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commonattributes