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trace.js
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trace.js
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// gpx.studio is an online GPX file editor which can be found at https://gpx.studio
// Copyright (C) 2020 Vianney Coppé
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
const options = {
async: true,
polyline_options: { weight: 3, opacity: 1 },
marker_options: {
startIconUrl: '',
endIconUrl: '',
shadowUrl: '',
wptIconUrls : { '': './res/favicon.png' }
},
max_point_interval: 10 * 60000,
gpx_options: {
joinTrackSegments: false
}
};
const ELEVATION_ZOOM = 14;
export default class Trace {
constructor(file, name, map, total, callback) {
name = name.split('.')[0];
this.name = name;
this.map = map;
this.total = total;
this.buttons = total.buttons;
this.hasFocus = false;
this.isEdited = false;
this.drawing = false;
this.visible = true;
this.popup = L.popup({closeButton: false});
this.renaming = false;
this.normal_style = {...total.normal_style};
this.focus_style = {...total.focus_style};
const color = total.getColor();
this.normal_style.color = color;
this.focus_style.color = color;
this.memory = [];
this.at = -1;
this.lastSaveIsNew = true;
this.backToZero = false;
this.gpx = new L.GPX(file, options, this).addTo(map);
this.gpx.trace = this;
this.index = total.traces.length;
total.traces.push(this);
const trace = this;
this.gpx.on('error', function (e) {
console.log(e);
total.removeTrace(trace.index);
total.buttons.showLoadErrorPopup();
}).on('loaded', function(e) {
if (this.getLayers().length > 0) {
var layers = this.getLayers()[0].getLayers();
var wptMissingEle = [];
for (var i=0; i<layers.length; i++) {
if (layers[i]._latlng) { // wpt
if (layers[i]._latlng.meta && layers[i]._latlng.meta.ele == -1) wptMissingEle.push(layers[i]._latlng);
}
}
if (wptMissingEle.length > 0 && !trace.buttons.embedding) trace.askElevation(wptMissingEle);
}
if (this.getLayers().length > 0) total.buttons.updateBounds();
var ul = document.getElementById("sortable");
var li = document.createElement("li");
li.innerHTML = name+'<div class="tab-color" style="background:'+trace.normal_style.color+Math.round(trace.normal_style.opacity * 255).toString(16)+';">';
li.title = name;
li.classList.add('tab','tab-draggable');
li.trace = trace;
li.addEventListener('click', function (e) {
if (total.to_merge && total.to_merge != trace && total.buttons.window_open == total.buttons.merge_window) {
total.to_merge.merge(trace, total.buttons.merge_as_segments.checked);
total.removeTrace(trace.index);
total.to_merge.focus();
total.to_merge = null;
total.buttons.merge_window.hide();
gtag('event', 'button', {'event_category' : 'merge'});
} else if (!trace.hasFocus) trace.focus();
});
li.addEventListener('dblclick', function (e) {
if (trace.buttons.embedding) return;
if (trace.renaming) return;
trace.renaming = true;
li.innerHTML = '<input type="text" id="tabname" class="input-minimal" minlength="1" size="'+(trace.name.length)+'"> ';
trace.tabname = document.getElementById("tabname");
trace.tabname.addEventListener('keydown', function (e) {
if (e.key === 'Enter') trace.rename();
});
trace.tabname.addEventListener('focusout', function (e) {
trace.rename();
});
trace.tabname.focus();
trace.tabname.value = trace.name;
});
ul.appendChild(li);
trace.tab = li;
total.buttons.circlesToFront();
trace.focus();
if (total.buttons.multipleEmbedding) trace.updateFocus();
if (trace.gpx.missing_elevation && (!trace.buttons.embedding || trace.buttons.mapboxSKUToken)) trace.askElevation(trace.getPoints());
if (callback) callback(trace);
}).on('click', function (e) {
if (e.layer.sym) return;
if (trace.buttons.disable_trace) return;
if (!e.target.trace.isEdited) e.target.trace.updateFocus();
}).on('mousedown', function (e) {
if (trace.buttons.disable_trace) return;
if (trace.isEdited) {
if (e.originalEvent.which == 3) return;
if (e.layer._latlng) return;
const marker = trace.insertEditMarker(e.layer, e.layerPoint);
marker.fire('mousedown');
}
}).on('contextmenu', function (e) {
if (!trace.isEdited) return;
var best_idx = -1, best_dist = null;
const points = trace.getPoints();
for (var i=0; i<points.length; i++) {
const dist = points[i].distanceTo(e.latlng);
if (best_idx == -1 || dist < best_dist) {
best_idx = i;
best_dist = dist;
}
}
if (!best_idx) return;
trace.popup.setContent(`<div id="split" class="custom-button" style="display: inline-block">`+trace.buttons.split_text+`</div>
<div style="display: inline-block; width: 4px"></i></div>
<div id="close-popup" class="custom-button" style="display: inline-block"><i class="fas fa-times"></i></div><br>`);
trace.popup.setLatLng(e.latlng);
trace.popup.openOn(map);
trace.popup.addEventListener('remove', function (e) {
trace.closePopup();
});
var button = document.getElementById("split");
button.addEventListener("click", function () {
const copy = trace.clone();
copy.crop(best_idx, copy.getPoints().length, true);
trace.crop(0, best_idx, true);
trace.closePopup();
trace.draw();
});
var close = document.getElementById("close-popup");
close.addEventListener("click", function () {
trace.closePopup();
});
return false;
});
L.DomEvent.on(this.gpx, 'dblclick', L.DomEvent.stopPropagation);
if (file === undefined) this.gpx.fire('loaded');
}
rename(name) {
var newname = name ? name : this.tabname.value;
if (newname.length == 0) this.tab.innerHTML = this.name+'<div class="tab-color" style="background:'+this.normal_style.color+';">';
else {
this.name = newname;
this.tab.innerHTML = newname+'<div class="tab-color" style="background:'+this.normal_style.color+';">';
this.tab.title = newname;
}
this.renaming = false;
}
clone() {
const newTrace = this.total.addTrace(undefined, this.name);
newTrace.gpx.addLayer(new L.FeatureGroup());
const segments = this.getSegments();
for (var l=0; l<segments.length; l++) {
const points = segments[l]._latlngs;
const cpy = [];
for (var i=0; i<points.length; i++) {
const pt = points[i].clone();
pt.meta = JSON.parse(JSON.stringify(points[i].meta));
if (pt.meta.time) pt.meta.time = new Date(pt.meta.time);
pt.index = points[i].index;
pt.routing = points[i].routing;
cpy.push(pt);
}
if (cpy.length > 0) {
newTrace.gpx.getLayers()[0].addLayer(new L.Polyline(cpy, newTrace.gpx.options.polyline_options));
}
}
newTrace.recomputeStats();
newTrace.update();
newTrace.gpx.setStyle(newTrace.focus_style);
newTrace.showChevrons();
newTrace.showDistanceMarkers();
const waypoints = this.getWaypoints();
for (var i=0; i<waypoints.length; i++) {
const marker = waypoints[i];
const newMarker = newTrace.gpx._get_marker(marker._latlng, marker.sym, marker.name, marker.desc, marker.cmt, this.gpx.options);
newTrace.gpx.getLayers()[0].addLayer(newMarker);
}
return newTrace;
}
/*** LOGIC ***/
remove() {
this.total.removeColor(this.normal_style.color);
this.unfocus();
this.gpx.clearLayers();
if (document.body.contains(this.tab)) this.buttons.tabs.removeChild(this.tab);
}
/*** DISPLAY ***/
focus(creation) {
this.total.unfocusAll();
this.hasFocus = true;
this.total.focusOn = this.index;
this.total.hasFocus = false;
this.gpx.setStyle(this.focus_style);
this.gpx.bringToFront();
this.buttons.focusTabElement(this.tab);
this.showData();
this.showElevation();
this.updateExtract();
if (this.visible) {
this.buttons.unhideToHide();
this.showWaypoints();
this.showChevrons();
this.showDistanceMarkers();
} else this.buttons.hideToUnhide();
if (!this.buttons.embedding) this.tab.scrollIntoView();
}
unfocus() {
this.hasFocus = false;
this.gpx.setStyle(this.normal_style);
this.closePopup();
this.hideWaypoints();
this.hideChevrons();
this.hideDistanceMarkers();
if (this.isEdited) this.stopEdit();
if (this.drawing) this.stopDraw();
if (this.renaming) this.rename();
if (this.buttons.slider.isActive()) this.buttons.slider.reset();
}
updateFocus() {
if (this.hasFocus) {
this.unfocus();
this.total.focus();
} else this.focus();
}
update() {
if (this.hasFocus) {
this.showData();
this.showElevation();
this.updateExtract();
}
}
hideUnhide() {
this.visible = !this.visible;
if (this.visible) {
this.buttons.unhideToHide();
this.showSegments();
this.showWaypoints();
this.showChevrons();
this.showDistanceMarkers();
if (this.isEdited) this.updateEditMarkers();
else this.buttons.elev._addSliderCircles();
} else {
this.buttons.hideToUnhide();
this.hideSegments();
this.hideWaypoints();
this.hideChevrons();
this.hideDistanceMarkers();
this.removeEditMarkers();
if (this.buttons.slider.isActive()) this.buttons.slider.reset();
this.buttons.elev._removeSliderCircles();
}
}
updateUndoRedo() {
if (this.at >= 0 && !this.backToZero) this.buttons.undo.classList.remove('unselected','no-click2');
else this.buttons.undo.classList.add('unselected','no-click2');
if (this.at < this.memory.length-1) this.buttons.redo.classList.remove('unselected','no-click2');
else this.buttons.redo.classList.add('unselected','no-click2');
}
updateExtract() {
const count = this.getSegments().length;
if (count < 2) {
this.buttons.extract.classList.add('unselected','no-click');
this.can_extract = false;
} else {
this.buttons.extract.classList.remove('unselected','no-click');
this.can_extract = true;
}
}
showSegments() {
const segments = this.getSegments();
for (var i=0; i<segments.length; i++) {
segments[i]._path.style.display = '';
}
}
hideSegments() {
const segments = this.getSegments();
for (var i=0; i<segments.length; i++) {
segments[i]._path.style.display = 'none';
}
}
showWaypoints() {
const waypoints = this.getWaypoints();
for (var i=0; i<waypoints.length; i++) {
waypoints[i]._icon.style.display = '';
}
}
hideWaypoints() {
const waypoints = this.getWaypoints();
for (var i=0; i<waypoints.length; i++) {
waypoints[i]._icon.style.display = 'none';
}
}
edit() {
this.isEdited = true;
this.updatePointIndices();
this.updateEditMarkers();
this.buttons.greyTraceButtons();
if (this.buttons.slider.isActive()) this.buttons.slider.reset();
this.buttons.elev._removeSliderCircles();
this.buttons.editToValidate();
this.closePopup();
this.buttons.undo.addEventListener('click', this.undoListener = this.undo.bind(this));
this.buttons.redo.addEventListener('click', this.redoListener = this.redo.bind(this));
this.updateUndoRedo();
}
stopEdit() {
this.isEdited = false;
this.removeEditMarkers();
this.buttons.blackTraceButtons();
if (this.visible) this.buttons.elev._addSliderCircles();
this.buttons.validateToEdit();
this.closePopup();
this.updateExtract();
this.buttons.undo.classList.add('unselected');
this.buttons.redo.classList.add('unselected');
this.buttons.undo.removeEventListener('click', this.undoListener);
this.buttons.redo.removeEventListener('click', this.redoListener);
this.memory = [];
this.at = -1;
}
draw() {
this.edit();
this.drawing = true;
this._draggingWaypoint = false;
this.buttons.map._container.style.cursor = 'crosshair';
var mapboxgl_canvas = document.getElementsByClassName('mapboxgl-canvas');
if (mapboxgl_canvas.length > 0) {
mapboxgl_canvas = mapboxgl_canvas[0];
mapboxgl_canvas.style.cursor = 'crosshair';
this.mapboxgl_canvas = mapboxgl_canvas;
} else this.mapboxgl_canvas = null;
const _this = this;
this.buttons.map.addEventListener("click", function (e) {
if (_this.buttons.disable_trace) return;
if (e.originalEvent.target.id != "mapid" && !e.originalEvent.target.classList.contains('mapboxgl-canvas')) return;
if (!_this._draggingWaypoint) _this.addEndPoint(e.latlng.lat, e.latlng.lng);
_this._draggingWaypoint = false;
});
}
stopDraw() {
this.buttons.map._container.style.cursor = '';
var mapboxgl_canvas = document.getElementsByClassName('mapboxgl-canvas');
if (this.mapboxgl_canvas) this.mapboxgl_canvas.style.cursor = '';
this.buttons.map.removeEventListener("click");
this.drawing = false;
if (this.getPoints().length == 0) {
this.total.removeTrace(this.index);
}
}
closePopup() {
if (this.popup) {
this.popup.remove();
}
}
redraw() {
const segments = this.getSegments();
for (var i=0; i<segments.length; i++) {
segments[i].redraw();
}
}
showData() {
this.buttons.distance.innerHTML = (this.getDistance() / 1000).toFixed(1).toString() + ' ' + (this.buttons.km ? this.buttons.unit_kilometers_text : this.buttons.unit_miles_text);
this.buttons.elevation.innerHTML = this.getElevation().toFixed(0).toString() + ' ' + (this.buttons.km ? this.buttons.unit_meters_text : this.buttons.unit_feet_text);
if (this.buttons.cycling) this.buttons.speed.innerHTML = this.getMovingSpeed().toFixed(1).toString() + ' ' + (this.buttons.km ? this.buttons.unit_kilometers_text : this.buttons.unit_miles_text) + '/' + this.buttons.unit_hours_text;
else this.buttons.speed.innerHTML = this.total.msToTimeMin(this.getMovingPace()) + ' ' + this.buttons.unit_minutes_text + '/' + (this.buttons.km ? this.buttons.unit_kilometers_text : this.buttons.unit_miles_text);
this.buttons.duration.innerHTML = this.total.msToTime(this.getMovingTime());
this.buttons.points.innerHTML = this.gpx._info.npoints;
this.buttons.segments.innerHTML = this.gpx._info.nsegments;
}
showElevation() {
this.buttons.elev.clear();
this.buttons.elev.options.imperial = !this.buttons.km;
this.addElevation();
if (this.isEdited || !this.visible) this.buttons.elev._removeSliderCircles();
}
addElevation(total_points) {
const points = this.getPoints();
if (points.length) {
this.buttons.elev.addData(
points,
Math.round(this.gpx._info.length/1e3*1e5)/1e5,
this.gpx._info.elevation.max,
total_points ? total_points : points.length
);
} else this.buttons.elev.clear();
}
showChevrons() {
if (this.buttons.show_direction) {
this.hideChevrons();
this.gpx.setText(' ➜ ', {
repeat: true,
attributes: {
fill: this.normal_style.color,
opacity: this.normal_style.opacity,
dy: '5px',
'font-size': '14px',
style: `text-shadow: 1px 1px 0 white, -1px 1px 0 white, 1px -1px 0 white, -1px -1px 0 white, 0px 1px 0 white, 0px -1px 0 white, -1px 0px 0 white, 1px 0px 0 white, 2px 2px 0 white, -2px 2px 0 white, 2px -2px 0 white, -2px -2px 0 white, 0px 2px 0 white, 0px -2px 0 white, -2px 0px 0 white, 2px 0px 0 white, 1px 2px 0 white, -1px 2px 0 white, 1px -2px 0 white, -1px -2px 0 white, 2px 1px 0 white, -2px 1px 0 white, 2px -1px 0 white, -2px -1px 0 white;
-webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;`
}
});
}
}
hideChevrons() {
this.gpx.setText(null);
}
showDistanceMarkers() {
if (this.buttons.show_distance) {
if (this.buttons.km) this.gpx.addDistanceMarkers();
else this.gpx.addDistanceMarkers({ offset: 1609.344});
}
}
hideDistanceMarkers() {
this.gpx.removeDistanceMarkers();
}
getBounds() {
return this.gpx.getBounds();
}
newEditMarker(point, layer) {
const trace = this;
const map = this.map;
const marker = L.circleMarker([point.lat, point.lng], {
className: 'edit-marker',
radius: 4,
pane: 'markerPane'
}).addTo(map);
marker._pt = point;
marker._prec = point;
marker._succ = point;
marker._layer = layer;
marker.on({
mousedown: function (e) {
if (e.originalEvent !== undefined && e.originalEvent.which == 3) return;
map.dragging.disable();
map.on('mousemove', function (e) {
marker.setLatLng(e.latlng);
});
map._draggedMarker = marker;
marker.getElement().style.cursor = 'grabbing';
},
contextmenu: function (e) {
if (trace._editMarkers.length == 1) return;
var content = `<div id="remove-waypoint" class="custom-button" style="display: inline-block">`+trace.buttons.remove_pt_text+`</div>
<div style="display: inline-block; width: 4px"></i></div>
<div id="close-popup" class="custom-button" style="display: inline-block"><i class="fas fa-times"></i></div><br>`;
if (marker != trace._editMarkers[0] && marker != trace._editMarkers[trace._editMarkers.length-1]) {
content += '<div id="split-waypoint" class="custom-button" style="display: inline-block">'+trace.buttons.split_text+'</div>';
}
trace.popup.setContent(content);
trace.popup.setLatLng(e.latlng);
trace.popup.openOn(map);
trace.popup.addEventListener('remove', function (e) {
trace.closePopup();
});
var button = document.getElementById("remove-waypoint");
button.addEventListener("click", function () {
trace.deletePoint(marker);
marker.remove();
trace.closePopup();
});
if (marker != trace._editMarkers[0] && marker != trace._editMarkers[trace._editMarkers.length-1]) {
var button2 = document.getElementById("split-waypoint");
button2.addEventListener("click", function () {
const copy = trace.clone();
copy.crop(marker._pt.trace_index, copy.getPoints().length, true);
trace.crop(0, marker._pt.trace_index, true);
marker.remove();
trace.closePopup();
trace.draw();
});
}
var close = document.getElementById("close-popup");
close.addEventListener("click", function () {
trace.closePopup();
});
return false;
}
});
return marker;
}
insertEditMarker(layer, layer_point) {
const pt = this.map.layerPointToLatLng(layer_point);
const points = layer._latlngs;
var best_dist = -1, best_idx = -1;
for (var i=0; i<points.length-1; i++) {
const dist = L.LineUtil.pointToSegmentDistance(layer_point,
this.map.latLngToLayerPoint(points[i]),
this.map.latLngToLayerPoint(points[i+1])
);
if (best_idx == -1 || dist < best_dist) {
best_idx = i+1;
best_dist = dist;
}
}
var newPt = new L.LatLng(pt.lat, pt.lng);
newPt.meta = {
time: null,
ele: (points[best_idx-1].meta.ele + points[best_idx].meta.ele) / 2
};
points.splice(best_idx, 0, newPt);
this.updatePointIndices();
const marker = this.newEditMarker(newPt, layer);
var marker_idx = -1;
// find index for new marker (could binary search)
for (var i=0; i<this._editMarkers.length; i++) {
if (this._editMarkers[i]._layer == layer && this._editMarkers[i]._pt.index >= best_idx) {
marker_idx = i;
break;
}
}
// insert new marker
this._editMarkers.splice(marker_idx, 0, marker);
this._editMarkers[marker_idx]._prec = this._editMarkers[marker_idx-1]._pt;
this._editMarkers[marker_idx]._succ = this._editMarkers[marker_idx+1]._pt;
this._editMarkers[marker_idx-1]._succ = this._editMarkers[marker_idx]._pt;
this._editMarkers[marker_idx+1]._prec = this._editMarkers[marker_idx]._pt;
return marker;
}
removeEditMarkers() {
if (this._editMarkers) {
for (var i=0; i<this._editMarkers.length; i++)
this._editMarkers[i].remove();
}
this._editMarkers = [];
}
updateEditMarkers() {
if (this.isEdited && this.visible) {
this.removeEditMarkers();
const bounds = this.map.getBounds();
const dist = Math.abs(bounds._southWest.lat - bounds._northEast.lat);
const segments = this.getSegments();
for (var l=0; l<segments.length; l++) {
const points = segments[l]._latlngs;
var start = -1, simplifiedPoints = [];
for (var i=0; i<points.length; i++) {
if (!points[i].routing && start == -1) start = i;
else if (points[i].routing && start != -1) {
if (start == i-1) simplifiedPoints.push(points[start]);
else simplifiedPoints = simplifiedPoints.concat(simplify.douglasPeucker(points.slice(start, i), dist/20));
start = -1;
}
}
if (start != -1) {
if (start == points.length-1) simplifiedPoints.push(points[start]);
else simplifiedPoints = simplifiedPoints.concat(simplify.douglasPeucker(points.slice(start, points.length), dist/20));
}
for (var i=0; i<simplifiedPoints.length; i++) {
this._editMarkers.push(this.newEditMarker(simplifiedPoints[i], segments[l]));
if (i > 0) {
const len = this._editMarkers.length;
this._editMarkers[len-1]._prec = this._editMarkers[len-2]._pt;
this._editMarkers[len-2]._succ = this._editMarkers[len-1]._pt;
}
}
}
}
}
updatePointIndices() {
const segments = this.getSegments();
var k = 0;
for (var l=0; l<segments.length; l++) {
const points = segments[l]._latlngs;
for (var i=0; i<points.length; i++) {
points[i].index = i;
points[i].trace_index = k++;
}
}
}
refreshEditMarkers() {
for (var i=0; i<this._editMarkers.length; i++)
this._editMarkers[i].bringToFront();
}
previewSimplify(value) {
value = value / 50;
const bounds = this.getBounds();
const dist = Math.abs(bounds._southWest.lat - bounds._northEast.lat);
const tol = dist * Math.pow(2, -value);
if (this.preview) this.preview.clearLayers();
const color = this.normal_style.color;
const preview_style = {
color: `#${color.substring(3,7)}${color.substring(1,3)}`,
weight: 4
};
this.preview = new L.GPX(undefined, options, null).addTo(this.map);
const segments = this.getSegments();
var totalPoints = 0;
for (var l=0; l<segments.length; l++) {
const simplifiedPoints = simplify.douglasPeucker(segments[l]._latlngs, tol);
const preview_layer = new L.Polyline(simplifiedPoints, preview_style);
this.preview.addLayer(preview_layer);
preview_layer.segment = segments[l];
totalPoints += simplifiedPoints.length;
}
return totalPoints;
}
cancelSimplify() {
if (this.preview) {
this.preview.clearLayers();
this.preview = null;
}
}
simplify() {
const preview_layers = this.preview.getLayers();
for (var l=0; l<preview_layers.length; l++) preview_layers[l].segment._latlngs = preview_layers[l]._latlngs;
const points = this.getPoints();
for (var i=0; i<points.length; i++) {
points[i].routing = false;
}
this.buttons.slider.reset();
this.update();
this.redraw();
this.preview.clearLayers();
this.preview = null;
}
/*** GPX DATA ***/
getLayers() {
if (this.gpx.getLayers().length == 0) return [];
else return this.gpx.getLayers()[0].getLayers();
}
getSegments() {
const layers = this.getLayers();
const segments = [];
for (var l=0; l<layers.length; l++) if (layers[l]._latlngs) {
segments.push(layers[l]);
}
return segments;
}
getWaypoints() {
const layers = this.getLayers();
const waypoints = [];
for (var l=0; l<layers.length; l++) if (layers[l]._latlng) {
waypoints.push(layers[l]);
}
return waypoints;
}
hasPoints() {
const layers = this.getLayers();
for (var i=0; i<layers.length; i++) if (layers[i]._latlngs)
return true;
return false;
}
getPoints() {
const segments = this.getSegments();
var points = [];
for (var i=0; i<segments.length; i++)
points = points.concat(segments[i]._latlngs);
return points;
}
getDistance(noConversion) {
if (this.buttons.km || noConversion) return this.gpx._info.length;
else return this.gpx._info.length / 1.60934;
}
getMovingDistance(noConversion) {
if (this.buttons.km || noConversion) return this.gpx._info.moving_length;
else return this.gpx._info.moving_length / 1.60934;
}
getElevation() {
if (this.buttons.km) return this.gpx._info.elevation.gain;
else return this.gpx._info.elevation.gain * 3.28084;
}
getMovingTime() {
return this.gpx._info.duration.moving;
}
getMovingSpeed(noConversion) {
const time = this.getMovingTime();
if (time == 0) return 0;
return this.getMovingDistance(noConversion) / (time / 3600);
}
getMovingPace() {
const dist = this.getDistance();
if (dist == 0) return 0;
return this.getMovingTime() / (this.getDistance() / 1000);
}
getAverageAdditionalData() {
var cntHr = 0, totHr = 0;
var cntTemp = 0, totTemp = 0;
var cntCad = 0, totCad = 0;
var cntPower = 0, totPower = 0;
const points = this.getPoints();
for (var i=0; i<points.length; i++) {
if (points[i].meta.hr) {
totHr += points[i].meta.hr;
cntHr++;
}
if (points[i].meta.atemp) {
totTemp += points[i].meta.atemp;
cntTemp++;
}
if (points[i].meta.cad) {
totCad += points[i].meta.cad;
cntCad++;
}
if (points[i].meta.power) {
totPower += points[i].meta.power;
cntPower++;
}
}
this.additionalAvgData = {
hr: cntHr > 0 ? Math.round(totHr/cntHr) : null,
atemp: cntTemp > 0 ? Math.round((totTemp/cntTemp) * 10) / 10 : null,
cad: cntCad > 0 ? Math.round(totCad/cntCad) : null,
power: cntPower > 0 ? Math.round(totPower/cntPower) : null
};
return this.additionalAvgData;
}
/*** MODIFIERS ***/
crop(start, end, no_recursion) {
var copy = null;
if (!no_recursion) {
copy = this.clone();
}
const segments = this.getSegments();
var cumul = 0;
for (var i=0; i<segments.length; i++) {
const len = segments[i]._latlngs.length;
if (start >= cumul+len) this.gpx.getLayers()[0].removeLayer(segments[i]);
else if (end < cumul) this.gpx.getLayers()[0].removeLayer(segments[i]);
else if (start > cumul || end < cumul+len-1) {
if (end-cumul+1 < len) segments[i]._latlngs.splice(end-cumul+1);
if (start > cumul) segments[i]._latlngs.splice(0, start-cumul);
segments[i]._latlngs[0].routing = false;
segments[i]._latlngs[segments[i]._latlngs.length-1].routing = false;
}
cumul += len;
}
if (!no_recursion) {
if (start > 0 && end < cumul-1) {
const copy2 = copy.clone();
copy.crop(0, start-1, true);
copy2.crop(end+1, cumul, true);
} else if (start > 0) {
copy.crop(0, start-1, true);
} else if (end < cumul-1) {
copy.crop(end+1, cumul, true);
}
}
this.recomputeStats();
this.redraw();
this.update();
this.focus();
}
reverse() {
const segments = this.getSegments();
for (var l=0; l<segments.length; l++)
segments[l]._latlngs.reverse();
for (var l=0; l<segments.length; l++)
this.gpx.getLayers()[0].removeLayer(segments[l]);
for (var l=segments.length-1; l>=0; l--)
this.gpx.getLayers()[0].addLayer(new L.Polyline(segments[l]._latlngs, this.gpx.options.polyline_options));
if (this.firstTimeData() != -1) {
const points = this.getPoints();
var missing = false;
for (var i=0; i<points.length && !missing; i++) {
if (!points[i].meta.time) missing = true;
}
if (missing) this.extendTimeData();
var last = points[0].meta.time;
points[0].meta.time = points[points.length-1].meta.time;
for (var i=1; i<points.length; i++) {
const tmp = new Date(points[i-1].meta.time.getTime() + (last.getTime() - points[i].meta.time.getTime()));
last = points[i].meta.time;
points[i].meta.time = tmp;
}
}
this.gpx.setStyle(this.focus_style);
this.buttons.slider.reset();
this.update();
this.redraw();
this.showChevrons();
this.showDistanceMarkers();
}
merge(trace, as_segments) {
const points = this.getPoints();
const otherPoints = trace.getPoints();
const data = this.getAverageAdditionalData();
const otherData = trace.getAverageAdditionalData();
for (var i=0; i<points.length; i++) {
if (!data.hr && otherData.hr) points[i].meta.hr = otherData.hr;
if (!data.atemp && otherData.atemp) points[i].meta.atemp = otherData.atemp;
if (!data.cad && otherData.cad) points[i].meta.cad = otherData.cad;
if (!data.power && otherData.power) points[i].meta.power = otherData.power;
}
for (var i=0; i<otherPoints.length; i++) {
if (data.hr && !otherData.hr) otherPoints[i].meta.hr = data.hr;
if (data.atemp && !otherData.atemp) otherPoints[i].meta.atemp = data.atemp;
if (data.cad && !otherData.cad) otherPoints[i].meta.cad = data.cad;
if (data.power && !otherData.power) otherPoints[i].meta.power = data.power;
}
if (this.hasPoints() && trace.hasPoints()) {
if (this.firstTimeData() >= 0 && trace.firstTimeData() == -1) {
const avg = this.getMovingSpeed();
const a = points[points.length-1];
const b = otherPoints[0];
const dist = this.gpx._dist2d(a, b);
const startTime = new Date(a.meta.time.getTime() + 1000 * 60 * 60 * dist/(1000 * avg));
trace.changeTimeData(startTime, avg);
} else if (this.firstTimeData() == -1 && trace.firstTimeData() >= 0) {
const avg = trace.getMovingSpeed();
const a = points[points.length-1];
const b = otherPoints[0];
const dist = this.gpx._dist2d(a, b) + this.getDistance(true);
const startTime = new Date(b.meta.time.getTime() - 1000 * 60 * 60 * dist/(1000 * avg));
this.changeTimeData(startTime, avg);
} else if (this.firstTimeData() >= 0 && trace.firstTimeData() >= 0) {
const avg1 = this.getMovingSpeed();
const avg2 = trace.getMovingSpeed();
const dist1 = this.getMovingDistance();
const dist2 = trace.getMovingDistance();
const avg = (dist1 * avg1 + dist2 * avg2) / (dist1 + dist2);
const a = points[points.length-1];
const b = otherPoints[0];
const dist = this.gpx._dist2d(a, b);
const startTime = new Date(a.meta.time.getTime() + 1000 * 60 * 60 * dist/(1000 * avg));
if (startTime > b.meta.time.getTime()) trace.changeTimeData(startTime, avg2);
}
}
if (as_segments) {
const segments = trace.getSegments();
for (var l=0; l<segments.length; l++)
this.gpx.getLayers()[0].addLayer(new L.Polyline(segments[l]._latlngs, this.gpx.options.polyline_options));
} else {
if (this.hasPoints()) {
points.push(...otherPoints);
const segments = this.getSegments();
for (var l=0; l<segments.length; l++)
this.gpx.getLayers()[0].removeLayer(segments[l]);
this.gpx.getLayers()[0].addLayer(new L.Polyline(points, this.gpx.options.polyline_options));
} else {
this.gpx.getLayers()[0].addLayer(new L.Polyline(otherPoints, this.gpx.options.polyline_options));
}
}
this.gpx.setStyle(this.focus_style);
const waypoints = trace.getWaypoints();
for (var i=0; i<waypoints.length; i++) {
const marker = waypoints[i];
const newMarker = this.gpx._get_marker(marker._latlng, marker.sym, marker.name, marker.desc, marker.cmt, this.gpx.options);
this.gpx.getLayers()[0].addLayer(newMarker);
}
this.recomputeStats();
this.update();
this.redraw();
}
extract_segments() {
const segments = this.getSegments();
const waypoints = this.getWaypoints();
var count = 1;
var lastTrace = null;
var closestSegments = [];
for (var w=0; w<waypoints.length; w++) {
closestSegments.push({distance: Infinity, segments: []});
}
for (var l=0; l<segments.length; l++) {
const bounds = segments[l].getBounds().pad(0.2);
for (var w=0; w<waypoints.length; w++) if (bounds.contains(waypoints[w]._latlng)) {
var pt = segments[l].closestLayerPoint(this.map.latLngToLayerPoint(waypoints[w]._latlng));
if (!pt) pt = L.GeometryUtil.closest(this.map, segments[l]._latlngs, waypoints[w]._latlng, true);
if (pt && pt.distance < closestSegments[w].distance) {
closestSegments[w] = { distance: pt.distance, segments: [segments[l]] };