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Fix headwind forecast field does not show preview (#165)

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timklge 2025-08-15 21:20:56 +02:00 committed by GitHub
parent 917770e45a
commit 1fe7eb1a16
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1 changed files with 60 additions and 59 deletions
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app/src/main/kotlin/de/timklge/karooheadwind/datatypes/HeadwindForecastDataType.kt
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@ -55,68 +55,69 @@ class HeadwindForecastDataType(karooSystem: KarooSystemService) : LineGraphForec
} }
val headwindPoints = try { val headwindPoints = try {
if (upcomingRoute != null){ (0..<HEADWIND_SAMPLE_COUNT).mapNotNull { i ->
(0..<HEADWIND_SAMPLE_COUNT).mapNotNull { i -> val t = i / HEADWIND_SAMPLE_COUNT.toDouble()
val t = i / HEADWIND_SAMPLE_COUNT.toDouble()
if (isPreview) { if (isPreview) {
// Use a sine wave for headwind preview speed // Use a sine wave for headwind preview speed
val headwindSpeed = 10f * kotlin.math.sin(i * Math.PI * 2 / HEADWIND_SAMPLE_COUNT).toFloat() val headwindSpeed = 10f * kotlin.math.sin(i * Math.PI * 2 / HEADWIND_SAMPLE_COUNT).toFloat()
return@mapNotNull LineGraphBuilder.DataPoint(x = i.toFloat() * (windPoints.size / HEADWIND_SAMPLE_COUNT.toFloat()), return@mapNotNull LineGraphBuilder.DataPoint(x = i.toFloat() * (windPoints.size / HEADWIND_SAMPLE_COUNT.toFloat()),
y = headwindSpeed) y = headwindSpeed)
}
val beforeLineData = lineData.getOrNull(floor((lineData.size) * t).toInt().coerceAtLeast(0)) ?: lineData.firstOrNull()
val afterLineData = lineData.getOrNull(ceil((lineData.size) * t).toInt().coerceAtLeast(0)) ?: lineData.lastOrNull()
if (beforeLineData?.weatherData == null || afterLineData?.weatherData == null || beforeLineData.distance == null
|| afterLineData.distance == null || beforeLineData == afterLineData) return@mapNotNull null
val dt = remap(t.toFloat(),
floor(lineData.size * t).toFloat() / lineData.size,
ceil(lineData.size * t).toFloat() / lineData.size,
0.0f, 1.0f
).toDouble()
val interpolatedWeather = lerpWeather(beforeLineData.weatherData, afterLineData.weatherData, dt)
val beforeDistanceAlongRoute = beforeLineData.distance
val afterDistanceAlongRoute = afterLineData.distance
val distanceAlongRoute = (beforeDistanceAlongRoute + (afterDistanceAlongRoute - beforeDistanceAlongRoute) * dt).coerceIn(0.0, upcomingRoute.routeLength)
val coordsAlongRoute = try {
TurfMeasurement.along(upcomingRoute.routePolyline, distanceAlongRoute, TurfConstants.UNIT_METERS)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error getting coordinates along route", e)
return@mapNotNull null
}
val nextCoordsAlongRoute = try {
TurfMeasurement.along(upcomingRoute.routePolyline, distanceAlongRoute + 5, TurfConstants.UNIT_METERS)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error getting next coordinates along route", e)
return@mapNotNull null
}
val bearingAlongRoute = try {
TurfMeasurement.bearing(coordsAlongRoute, nextCoordsAlongRoute)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error calculating bearing along route", e)
return@mapNotNull null
}
val windBearing = interpolatedWeather.windDirection + 180
val diff = signedAngleDifference(bearingAlongRoute, windBearing)
val headwindSpeed = cos( (diff + 180) * Math.PI / 180.0) * interpolatedWeather.windSpeed
val headwindSpeedInUserUnit = if (isImperial) {
headwindSpeed * 2.23694 // Convert m/s to mph
} else {
headwindSpeed * 3.6 // Convert m/s to km/h
}
LineGraphBuilder.DataPoint(
x = i.toFloat() * (windPoints.size / HEADWIND_SAMPLE_COUNT.toFloat()),
y = headwindSpeedInUserUnit.toFloat()
)
} }
} else {
emptyList() if (upcomingRoute == null) {
Log.e(KarooHeadwindExtension.TAG, "Upcoming route is null")
return@mapNotNull null
}
val beforeLineData = lineData.getOrNull(floor((lineData.size) * t).toInt().coerceAtLeast(0)) ?: lineData.firstOrNull()
val afterLineData = lineData.getOrNull(ceil((lineData.size) * t).toInt().coerceAtLeast(0)) ?: lineData.lastOrNull()
if (beforeLineData?.weatherData == null || afterLineData?.weatherData == null || beforeLineData.distance == null
|| afterLineData.distance == null || beforeLineData == afterLineData) return@mapNotNull null
val dt = remap(t.toFloat(),
floor(lineData.size * t).toFloat() / lineData.size,
ceil(lineData.size * t).toFloat() / lineData.size,
0.0f, 1.0f
).toDouble()
val interpolatedWeather = lerpWeather(beforeLineData.weatherData, afterLineData.weatherData, dt)
val beforeDistanceAlongRoute = beforeLineData.distance
val afterDistanceAlongRoute = afterLineData.distance
val distanceAlongRoute = (beforeDistanceAlongRoute + (afterDistanceAlongRoute - beforeDistanceAlongRoute) * dt).coerceIn(0.0, upcomingRoute.routeLength)
val coordsAlongRoute = try {
TurfMeasurement.along(upcomingRoute.routePolyline, distanceAlongRoute, TurfConstants.UNIT_METERS)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error getting coordinates along route", e)
return@mapNotNull null
}
val nextCoordsAlongRoute = try {
TurfMeasurement.along(upcomingRoute.routePolyline, distanceAlongRoute + 5, TurfConstants.UNIT_METERS)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error getting next coordinates along route", e)
return@mapNotNull null
}
val bearingAlongRoute = try {
TurfMeasurement.bearing(coordsAlongRoute, nextCoordsAlongRoute)
} catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error calculating bearing along route", e)
return@mapNotNull null
}
val windBearing = interpolatedWeather.windDirection + 180
val diff = signedAngleDifference(bearingAlongRoute, windBearing)
val headwindSpeed = cos( (diff + 180) * Math.PI / 180.0) * interpolatedWeather.windSpeed
val headwindSpeedInUserUnit = if (isImperial) {
headwindSpeed * 2.23694 // Convert m/s to mph
} else {
headwindSpeed * 3.6 // Convert m/s to km/h
}
LineGraphBuilder.DataPoint(
x = i.toFloat() * (windPoints.size / HEADWIND_SAMPLE_COUNT.toFloat()),
y = headwindSpeedInUserUnit.toFloat()
)
} }
} catch(e: Exception) { } catch(e: Exception) {
Log.e(KarooHeadwindExtension.TAG, "Error calculating headwind points", e) Log.e(KarooHeadwindExtension.TAG, "Error calculating headwind points", e)