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Convert wind speed from kmh to Beaufort

pull/1301/head
Marco Heiming 2022-01-18 10:06:21 +01:00
parent 4022da2ad9
commit 5d6a028144
1 changed files with 21 additions and 4 deletions
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25
apps/circlesclock/app.js
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@ -296,10 +296,15 @@ function drawWeather(w) {
}
break;
case "wind":
const wind = weather ? weather.wind : undefined;
if (wind >= 0) {
// wind goes from 0 to 12 (see https://en.wikipedia.org/wiki/Beaufort_scale)
drawGauge(w, h3, wind / 12, colorYellow);
if (weather) {
const wind = locale.speed(weather.wind).match(/^(\D*\d*)(.*)$/);
if (wind[1] >= 0) {
if (wind[2] == "kmh") {
wind[1] = windAsBeaufort(wind[1]);
}
// wind goes from 0 to 12 (see https://en.wikipedia.org/wiki/Beaufort_scale)
drawGauge(w, h3, wind[1] / 12, colorYellow);
}
}
break;
case "empty":
@ -366,6 +371,18 @@ function drawSunProgress(w) {
}
/*
* wind goes from 0 to 12 (see https://en.wikipedia.org/wiki/Beaufort_scale)
*/
function windAsBeaufort(windInKmh) {
const beaufort = [2, 6, 12, 20, 29, 39, 50, 62, 75, 89, 103, 118];
let l = 0;
while (l < beaufort.length && beaufort[l] < windInKmh) {
l++;
}
return l;
}
/*
* Choose weather icon to display based on weather conditition code