{
  "description": "Default category assignments based on SignalK specification path units",
  "version": "1.0.0",
  "categories": {
    "speed": {
      "siUnit": "m/s",
      "paths": [
        "environment.wind.speedApparent",
        "environment.wind.speedTrue",
        "environment.wind.speedOverGround",
        "environment.wind.speedThroughWater",
        "navigation.speedOverGround",
        "navigation.speedThroughWater",
        "navigation.speedThroughWaterTransverse",
        "navigation.speedThroughWaterLongitudinal",
        "navigation.leewayAngle",
        "performance.velocityMadeGood",
        "performance.velocityMadeGoodToWaypoint",
        "performance.beatAngleVelocityMadeGood",
        "performance.beatAngleTargetSpeed",
        "performance.gybeAngleVelocityMadeGood",
        "performance.gybeAngleTargetSpeed",
        "propulsion.*.driveSpeed"
      ]
    },
    "temperature": {
      "siUnit": "K",
      "paths": [
        "environment.outside.temperature",
        "environment.outside.dewPointTemperature",
        "environment.outside.apparentWindChillTemperature",
        "environment.outside.theoreticalWindChillTemperature",
        "environment.outside.heatIndexTemperature",
        "environment.water.temperature",
        "environment.inside.temperature",
        "environment.inside.engineRoom.temperature",
        "environment.inside.refrigerator.temperature",
        "environment.inside.freezer.temperature",
        "environment.inside.heating.temperature",
        "environment.inside.mainCabin.temperature",
        "propulsion.*.temperature",
        "propulsion.*.oilTemperature",
        "propulsion.*.coolantTemperature",
        "propulsion.*.exhaustTemperature",
        "propulsion.*.alternator.temperature",
        "electrical.batteries.*.temperature",
        "electrical.chargers.*.temperature",
        "electrical.inverters.*.temperature",
        "tanks.*.temperature"
      ]
    },
    "pressure": {
      "siUnit": "Pa",
      "paths": [
        "environment.outside.pressure",
        "propulsion.*.oilPressure",
        "propulsion.*.fuelPressure",
        "propulsion.*.coolantPressure",
        "propulsion.*.boostPressure",
        "propulsion.*.intakeManifoldTemperature",
        "propulsion.*.engineLoad"
      ]
    },
    "depth": {
      "siUnit": "m",
      "paths": [
        "environment.depth.belowKeel",
        "environment.depth.belowTransducer",
        "environment.depth.belowSurface",
        "environment.depth.transducerToKeel",
        "environment.depth.surfaceToTransducer"
      ]
    },
    "distance": {
      "siUnit": "m",
      "paths": [
        "navigation.trip.log",
        "navigation.log",
        "navigation.courseRhumbline.nextPoint.distance",
        "navigation.courseGreatCircle.nextPoint.distance",
        "navigation.racing.distanceStartline",
        "navigation.racing.distanceLayline",
        "navigation.closestApproach.distance"
      ]
    },
    "length": {
      "siUnit": "m",
      "paths": [
        "design.length.overall",
        "design.length.hull",
        "design.length.waterline",
        "design.beam",
        "design.draft.minimum",
        "design.draft.maximum",
        "design.draft.canoe",
        "design.airHeight",
        "design.rigging.mast.height",
        "environment.heave",
        "navigation.anchor.maxRadius",
        "navigation.anchor.currentRadius"
      ]
    },
    "angle": {
      "siUnit": "rad",
      "paths": [
        "environment.wind.angleApparent",
        "environment.wind.angleTrueGround",
        "environment.wind.angleTrueWater",
        "environment.wind.directionTrue",
        "environment.wind.directionMagnetic",
        "navigation.courseOverGroundTrue",
        "navigation.courseOverGroundMagnetic",
        "navigation.headingTrue",
        "navigation.headingMagnetic",
        "navigation.magneticVariation",
        "navigation.magneticDeviation",
        "navigation.attitude.roll",
        "navigation.attitude.pitch",
        "navigation.attitude.yaw",
        "navigation.courseRhumbline.bearingTrackTrue",
        "navigation.courseRhumbline.bearingTrackMagnetic",
        "navigation.courseGreatCircle.bearingTrackTrue",
        "navigation.courseGreatCircle.bearingTrackMagnetic",
        "navigation.racing.laylineDistance",
        "steering.rudderAngle",
        "steering.rudderAngleTarget",
        "steering.autopilot.targetHeadingTrue",
        "steering.autopilot.targetHeadingMagnetic",
        "steering.autopilot.target.headingMagnetic",
        "steering.autopilot.target.headingTrue",
        "steering.autopilot.target.windAngleApparent",
        "performance.gybeAngle",
        "performance.beatAngle",
        "sails.*.reefState"
      ]
    },
    "angularVelocity": {
      "siUnit": "rad/s",
      "paths": [
        "navigation.rateOfTurn",
        "navigation.attitude.roll.rate",
        "navigation.attitude.pitch.rate",
        "navigation.attitude.yaw.rate"
      ]
    },
    "voltage": {
      "siUnit": "V",
      "paths": [
        "electrical.batteries.*.voltage",
        "electrical.chargers.*.voltage",
        "electrical.inverters.*.dc.voltage",
        "electrical.inverters.*.ac.voltage",
        "electrical.alternators.*.voltage",
        "electrical.solar.*.voltage",
        "propulsion.*.alternator.voltage"
      ]
    },
    "current": {
      "siUnit": "A",
      "paths": [
        "electrical.batteries.*.current",
        "electrical.chargers.*.current",
        "electrical.inverters.*.dc.current",
        "electrical.inverters.*.ac.current",
        "electrical.alternators.*.current",
        "electrical.solar.*.current",
        "propulsion.*.alternator.current"
      ]
    },
    "power": {
      "siUnit": "W",
      "paths": [
        "electrical.batteries.*.power",
        "electrical.chargers.*.power",
        "electrical.inverters.*.dc.power",
        "electrical.inverters.*.ac.power",
        "electrical.alternators.*.power",
        "electrical.solar.*.power",
        "propulsion.*.power"
      ]
    },
    "frequency": {
      "siUnit": "Hz",
      "paths": [
        "propulsion.*.revolutions",
        "electrical.inverters.*.ac.frequency"
      ]
    },
    "volume": {
      "siUnit": "m3",
      "paths": [
        "tanks.*.capacity",
        "tanks.*.currentVolume",
        "tanks.fuel.*.capacity",
        "tanks.fuel.*.currentVolume",
        "tanks.freshWater.*.capacity",
        "tanks.freshWater.*.currentVolume",
        "tanks.wasteWater.*.capacity",
        "tanks.wasteWater.*.currentVolume",
        "tanks.blackWater.*.capacity",
        "tanks.blackWater.*.currentVolume",
        "tanks.liveWell.*.capacity",
        "tanks.liveWell.*.currentVolume",
        "tanks.lubrication.*.capacity",
        "tanks.lubrication.*.currentVolume"
      ]
    },
    "volumeRate": {
      "siUnit": "m3/s",
      "paths": ["propulsion.*.fuel.rate", "propulsion.*.exhaustTemperature"]
    },
    "mass": {
      "siUnit": "kg",
      "paths": ["design.displacement"]
    },
    "percentage": {
      "siUnit": "ratio",
      "paths": [
        "environment.outside.relativeHumidity",
        "environment.inside.relativeHumidity",
        "environment.inside.engineRoom.relativeHumidity",
        "electrical.batteries.*.capacity.stateOfCharge",
        "electrical.batteries.*.capacity.stateOfHealth",
        "tanks.*.currentLevel",
        "propulsion.*.fuel.used",
        "propulsion.*.engineLoad",
        "steering.autopilot.gain"
      ]
    },
    "charge": {
      "siUnit": "C",
      "paths": [
        "electrical.batteries.*.capacity.remaining",
        "electrical.batteries.*.capacity.nominal"
      ]
    },
    "time": {
      "siUnit": "s",
      "paths": [
        "electrical.batteries.*.capacity.timeRemaining",
        "navigation.courseRhumbline.nextPoint.timeToGo",
        "navigation.courseGreatCircle.nextPoint.timeToGo",
        "navigation.racing.timeToStart",
        "navigation.racing.timePortDown",
        "navigation.racing.timeStbdDown",
        "navigation.closestApproach.timeTo"
      ]
    }
  }
}