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Create generic zone-index detection helper

This commit is contained in:
Rene Saarsoo 2020-10-02 11:31:10 +03:00
parent 14930e748e
commit 423012024b
1 changed files with 30 additions and 19 deletions
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49
src/stats/zoneDistribution.ts
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@ -2,33 +2,44 @@ import { Interval } from "../ast";
import { Duration } from "../Duration"; import { Duration } from "../Duration";
import { intervalsToIntensityNumbers } from "./intervalsToIntensityNumbers"; import { intervalsToIntensityNumbers } from "./intervalsToIntensityNumbers";
type Zone = { type NumericZoneDuration = { name: string; duration: number };
from: number; type ZoneDuration = { name: string; duration: Duration };
to: number; type ZoneIndex = 0 | 1 | 2 | 3 | 4 | 5;
name: string;
};
type NumericZoneDuration = Zone & { duration: number }; const emptyZones = (): NumericZoneDuration[] => [
type ZoneDuration = Zone & { duration: Duration }; { name: "Z1: Recovery", duration: 0 },
{ name: "Z2: Endurance", duration: 0 },
{ name: "Z3: Tempo", duration: 0 },
{ name: "Z4: Threshold", duration: 0 },
{ name: "Z5: VO2 Max", duration: 0 },
{ name: "Z6: Anaerobic", duration: 0 },
];
// Intensity ranges based on https://zwiftinsider.com/power-zone-colors/ // Intensity ranges based on https://zwiftinsider.com/power-zone-colors/
const emptyZones = (): NumericZoneDuration[] => [ const zoneIndex = (intensity: number): ZoneIndex => {
{ from: 0.0, to: 0.6, name: "Z1: Recovery", duration: 0 }, if (intensity >= 1.18) {
{ from: 0.6, to: 0.75, name: "Z2: Endurance", duration: 0 }, return 5;
{ from: 0.75, to: 0.9, name: "Z3: Tempo", duration: 0 }, }
{ from: 0.9, to: 1.05, name: "Z4: Threshold", duration: 0 }, if (intensity >= 1.05) {
{ from: 1.05, to: 1.18, name: "Z5: VO2 Max", duration: 0 }, return 4;
{ from: 1.18, to: Infinity, name: "Z6: Anaerobic", duration: 0 }, }
]; if (intensity >= 0.9) {
return 3;
}
if (intensity >= 0.75) {
return 2;
}
if (intensity >= 0.6) {
return 1;
}
return 0;
};
export const zoneDistribution = (intervals: Interval[]): ZoneDuration[] => { export const zoneDistribution = (intervals: Interval[]): ZoneDuration[] => {
const zones = emptyZones(); const zones = emptyZones();
intervalsToIntensityNumbers(intervals).forEach((intensity) => { intervalsToIntensityNumbers(intervals).forEach((intensity) => {
const zone = zones.find((zone) => intensity >= zone.from && intensity < zone.to); zones[zoneIndex(intensity)].duration++;
if (zone) {
zone.duration++;
}
}); });
return zones.map(({ duration, ...rest }) => ({ duration: new Duration(duration), ...rest })); return zones.map(({ duration, ...rest }) => ({ duration: new Duration(duration), ...rest }));