Course Provider Plugin:

__Signal K server plugin that acts as a Course data provider__.

_Note: This plugin should ONLY be installed on Signal K Server version 2.0 or later!_

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This plugin populates the following course data paths found under navigation.course.calcValues as well as providing an API endpoint at /signalk/v2/api/vessels/self/navigation/course/calcValues:

- calcMethod
- bearingTrackTrue
- bearingTrackMagnetic
- crossTrackError
- previousPoint.distance
- distance
- bearingTrue
- bearingMagnetic
- velocityMadeGood
- timeToGo
- estimatedTimeOfArrival
- targetSpeed
- route.distance
- route.timeToGo
- route.estimatedTimeOfArrival

AND
- performance.velocityMadeGoodToWaypoint

Additionally it will raise the following notification:
- notifications.navigation.arrivalCircleEntered: _alert_ message is sent when the value of distance falls below the value of navigation.course.nextPoint.arrivalCircle.

- notifications.navigation.perpendicularPassed: _alert_ message is sent when the perpendicular line (relative to navigation.course.previousPoint.position at the destination has been passed by the vessel.

Configuration

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Notifications: provides configuration for generated notifications.

- Enable sound: Checking this option sets the sound flag for any notifications generated.

Calculation method: Select the course calculation method to use and the paths to populate.

- GreatCircle (default): populates values using _GreatCircle_ calculations.
- Rhumbline: populates values using _Rhumbline_ calculations.