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export function Acceleration() {
const _ = L.Control.Elevation.Utils;
let opts = this.options;
let acceleration = {};
acceleration.label = opts.accelerationLabel || L._(opts.imperial ? 'ft/s²' : 'm/s²');
opts.accelerationFactor = opts.accelerationFactor || 1;
return {
name: 'acceleration',
unit: acceleration.label,
deltaMax: this.options.accelerationDeltaMax,
clampRange: this.options.accelerationRange,
decimals: 2,
pointToAttr: (_, i) => {
let dv = (this._data[i].speed - this._data[i > 0 ? i - 1 : i].speed) * (1000 / opts.timeFactor);
let dt = (this._data[i].time - this._data[i > 0 ? i - 1 : i].time) / 1000;
return dt > 0 ? Math.abs((dv / dt)) * opts.accelerationFactor : NaN;
},
stats: { max: _.iMax, min: _.iMin, avg: _.iAvg },
scale: {
axis : "y",
position : "right",
scale : { min: 0, max: +1 },
tickPadding: 16,
labelX : 25,
labelY : -8,
},
path: {
label : 'Acceleration',
yAttr : 'acceleration',
scaleX : 'distance',
scaleY : 'acceleration',
color : '#050402',
strokeColor : '#000',
strokeOpacity: "0.5",
fillOpacity : "0.25",
},
tooltip: {
chart: (item) => L._("a: ") + item.acceleration + " " + acceleration.label,
marker: (item) => Math.round(item.acceleration) + " " + acceleration.label,
order: 60,
},
summary: {
"minacceleration" : {
label: "Min Acceleration: ",
value: (track, unit) => Math.round(track.acceleration_min || 0) + ' ' + unit,
order: 60
},
"maxacceleration" : {
label: "Max Acceleration: ",
value: (track, unit) => Math.round(track.acceleration_max || 0) + ' ' + unit,
order: 61
},
"avgacceleration": {
label: "Avg Acceleration: ",
value: (track, unit) => Math.round(track.acceleration_avg || 0) + ' ' + unit,
order: 62
},
}
};
}
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