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export function Speed() {
const _ = L.Control.Elevation.Utils;
let opts = this.options;
let speed = {};
speed.label = opts.speedLabel || L._(opts.imperial ? 'mph' : 'km/h');
opts.speedFactor = opts.speedFactor || 1;
return {
name: 'speed',
required: (this.options.acceleration),
unit: speed.label,
deltaMax: this.options.speedDeltaMax,
clampRange: this.options.speedRange,
decimals: 2,
pointToAttr: (_, i) => {
let dx = (this._data[i].dist - this._data[i > 0 ? i - 1 : i].dist) * 1000;
let dt = this._data[i].time - this._data[ i > 0 ? i - 1 : i].time;
return dt > 0 ? Math.abs((dx / dt) * opts.timeFactor) * opts.speedFactor : NaN;
},
stats: { max: _.iMax, min: _.iMin, avg: _.iAvg },
scale : (this.options.speed && this.options.speed != "summary") && {
axis : "y",
position : "right",
scale : { min : 0, max : +1 },
tickPadding: 16,
labelX : 25,
labelY : -8,
},
path: (this.options.speed && this.options.speed != "summary") && {
// name : 'speed',
label : 'Speed',
yAttr : "speed",
scaleX : 'distance',
scaleY : 'speed',
color : '#03ffff',
strokeColor : '#000',
strokeOpacity: "0.5",
fillOpacity : "0.25",
},
tooltip: (this.options.speed) && {
chart: (item) => L._('v: ') + item.speed + " " + speed.label,
marker: (item) => Math.round(item.speed) + " " + speed.label,
order: 50,
},
summary: (this.options.speed) && {
"minspeed" : {
label: "Min Speed: ",
value: (track, unit) => Math.round(track.speed_min || 0) + ' ' + unit,
order: 51
},
"maxspeed" : {
label: "Max Speed: ",
value: (track, unit) => Math.round(track.speed_max || 0) + ' ' + unit,
order: 51
},
"avgspeed": {
label: "Avg Speed: ",
value: (track, unit) => Math.round(track.speed_avg || 0) + ' ' + unit,
order: 52
},
}
};
}
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