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voir_trace.html
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voir_trace.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>voir une trace</title>
<link
rel="stylesheet"
href="https://unpkg.com/leaflet@1.4.0/dist/leaflet.css"
integrity="sha512-puBpdR0798OZvTTbP4A8Ix/l+A4dHDD0DGqYW6RQ+9jxkRFclaxxQb/SJAWZfWAkuyeQUytO7+7N4QKrDh+drA=="
crossorigin=""
/>
<style>
h1,
h2,
h3 {
font-family: sans-serif;
}
p {
font-family: sans-serif;
}
#map {
height: 500px;
width: 100%;
}
.chart {
height: 400px;
}
</style>
</head>
<body>
<h3 id="track-name"></h3>
<p>Distance total: <span id="totalDistance"></span> km</p>
<p>Télécharger la trace: <a id="gpxDownload"></a></p>
<div id="map"></div>
<div class="chart" id="altitude"></div>
<script src="./lib/gpx-parser.js"></script>
<script
src="https://unpkg.com/leaflet@1.4.0/dist/leaflet.js"
integrity="sha512-QVftwZFqvtRNi0ZyCtsznlKSWOStnDORoefr1enyq5mVL4tmKB3S/EnC3rRJcxCPavG10IcrVGSmPh6Qw5lwrg=="
crossorigin=""
></script>
<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/series-label.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>
<script>
let mymap = L.map('map')
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution:
'© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
maxZoom: 50,
}).addTo(mymap)
function drawTrack(track) {
let coordinates = track.points.map((p) => [
p.lat.toFixed(5),
p.lon.toFixed(5),
])
var polyline = L.polyline(coordinates, {
weight: 6,
color: 'darkred',
}).addTo(mymap)
// zoom the map to the polyline
mymap.fitBounds(polyline.getBounds())
}
</script>
<script>
var url_string = window.location.href
var url = new URL(url_string)
var trackPath = url.searchParams.get('trace')
fetch(trackPath)
.then(function (response) {
return response.text()
})
.then(function (gpxData) {
let gpx = new gpxParser()
gpx.parse(gpxData)
document.getElementById('track-name').innerText = gpx.tracks[0].name
document.getElementById('totalDistance').innerText = (
gpx.tracks[0].distance.total / 1000
).toFixed(3)
document.getElementById('gpxDownload').innerText = trackPath
document.getElementById('gpxDownload').setAttribute('href', trackPath)
drawTrack(gpx.tracks[0])
drawAltitudeChart(gpx.tracks[0])
})
</script>
<script>
/**
* Returns an array of time - ground speed for each track point (that has a time value).
*
* @param track
*/
function getGroundSpeedData(track) {
let result = []
let gpx = new gpxParser()
let points = track.points.filter((p) => p.time !== null)
let previousPoint = null
for (let i = 0; i < points.length; i++) {
let point = points[i]
if (previousPoint) {
// in seconds
let time = Math.abs(point.time - previousPoint.time) / 1000
if (time < 5) {
continue
}
// in nm (nautical miles)
let distance =
gpx.calcDistanceBetween(previousPoint, point) * 0.539957
let speedInKmPerHour = ((distance / time) * 3600) / 1000
result.push([point.time.getTime(), speedInKmPerHour])
}
previousPoint = point
}
return result
}
function drawAltitudeChart(track) {
let dataPoints = track.points
.filter((p) => p.time !== null)
.map((p) => [p.time, p.ele * 3.28084])
Highcharts.chart('altitude', {
chart: {
type: 'area',
},
title: {
text: 'Altitude (ft)',
},
subtitle: {
text: 'Altitude en route',
},
xAxis: {
type: 'datetime',
dateTimeLabelFormats: {
month: '%e. %b',
year: '%b',
},
title: {
text: 'Date',
},
},
yAxis: {
title: {
text: 'Altitude (ft)',
},
},
tooltip: {
headerFormat: '<b>{series.name}</b><br>',
pointFormat: '{point.x:%e. %b %H:%M}: {point.y:.2f} ft',
},
plotOptions: {
spline: {
marker: {
enabled: true,
},
},
},
colors: ['#6CF', '#39F', '#06C', '#036', '#000'],
series: [
{
name: 'Altitude (ft)',
data: dataPoints,
},
],
time: { useUTC: false },
})
}
function drawGroundSpeedChart(dataPoints) {
Highcharts.chart('groundSpeed', {
chart: {
type: 'area',
},
title: {
text: 'Ground speed (kts)',
},
subtitle: {
text: 'Ground speed',
},
xAxis: {
type: 'datetime',
dateTimeLabelFormats: {
month: '%e. %b',
year: '%b',
},
title: {
text: 'Date',
},
},
yAxis: {
title: {
text: 'Ground speed (kts)',
},
},
tooltip: {
headerFormat: '<b>{series.name}</b><br>',
pointFormat: '{point.x:%e. %b %H:%M}: {point.y:.2f} kts',
},
plotOptions: {
spline: {
marker: {
enabled: true,
},
},
},
colors: ['#6CF', '#39F', '#06C', '#036', '#000'],
series: [
{
name: 'Ground speed (kts)',
data: dataPoints,
},
],
time: { useUTC: false },
})
}
</script>
</body>
</html>