| New file |
|---|
| 0,0 → 1,80 |
|---|
| //#include "GPX.js" |
| |
| (function() { |
| |
| function d2h(d) { |
| var hex = '0123456789ABCDEF'; |
| var r = ''; |
| d = Math.floor(d); |
| while (d != 0) { |
| r = hex[d % 16] + r; |
| d = Math.floor(d / 16); |
| } |
| while (r.length < 2) r = '0' + r; |
| return r; |
| } |
| |
| function gradient(color) { |
| // First arc (0, PI) in HSV colorspace |
| function f2h(d) { return d2h(256 * d); } |
| if (color < 0) |
| return "#FF0000"; |
| else if (color < 1.0/3) |
| return "#FF" + f2h(3 * color) + "00"; |
| else if (color < 2.0/3) |
| return "#" + f2h(2 - 3 * color) + "FF00"; |
| else if (color < 1) |
| return "#00FF" + f2h(3 * color - 2); |
| else |
| return "#00FFFF"; |
| }; |
| |
| function gpx2time(s) { |
| // 2011-09-24T12:07:53Z |
| if (s.length != 10 + 1 + 8 + 1) |
| return new Date(); |
| return new Date(s); |
| }; |
| |
| L.GPX.include({ |
| options: { |
| maxSpeed: 110, |
| chunks: 200 |
| }, |
| |
| speedSplitEnable: function(options) { |
| L.Util.setOptions(this, options); |
| return this.on('addline', this.speed_split, this); |
| }, |
| |
| speedSplitDisable: function() { |
| return this.off('addline', this.speed_split, this); |
| }, |
| |
| speed_split: function(e) { |
| var l = e.line.pop(), ll = l.getLatLngs(); |
| var chunk = Math.floor(ll.length / this.options.chunks); |
| if (chunk < 3) chunk = 3; |
| var p = null; |
| for (var i = 0; i < ll.length; i += chunk) { |
| var d = 0, t = null; |
| if (i + chunk > ll.length) |
| chunk = ll.length - i; |
| for (var j = 0; j < chunk; j++) { |
| if (p) d += p.distanceTo(ll[i+j]); |
| p = ll[i + j]; |
| if (!t) t = gpx2time(p.meta.time); |
| } |
| p = ll[i + chunk - 1]; |
| t = (gpx2time(p.meta.time) - t) / (3600 * 1000); |
| var speed = 0.001 * d / t; |
| //console.info('Dist: ' + d + "; Speed: " + speed); |
| var color = gradient(speed / this.options.maxSpeed); |
| var l = new L.Polyline(ll.slice(i, i+chunk+1), {color: color, weight: 2, opacity: 1}); |
| l.bindPopup('Dist: ' + d.toFixed() + "m; Speed: " + speed.toFixed(2) + " km/h"); |
| e.line.push(l); |
| } |
| } |
| |
| }); |
| })(); |