mirror of
https://github.com/gpxstudio/gpx.studio.git
synced 2025-08-30 23:30:04 +00:00
1674 lines
65 KiB
TypeScript
1674 lines
65 KiB
TypeScript
import { ramerDouglasPeucker } from "./simplify";
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import { Coordinates, GPXFileAttributes, GPXFileType, LineStyleExtension, Link, Metadata, RouteType, TrackExtensions, TrackPointExtensions, TrackPointType, TrackSegmentType, TrackType, WaypointType } from "./types";
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import { immerable, isDraft, original, freeze } from "immer";
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function cloneJSON<T>(obj: T): T {
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if (obj === null || typeof obj !== 'object') {
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return null;
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}
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return JSON.parse(JSON.stringify(obj));
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}
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// An abstract class that groups functions that need to be computed recursively in the GPX file hierarchy
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export abstract class GPXTreeElement<T extends GPXTreeElement<any>> {
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_data: { [key: string]: any } = {};
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abstract isLeaf(): boolean;
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abstract get children(): Array<T>;
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abstract getNumberOfTrackPoints(): number;
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abstract getStartTimestamp(): Date | undefined;
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abstract getEndTimestamp(): Date | undefined;
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abstract getStatistics(): GPXStatistics;
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abstract getSegments(): TrackSegment[];
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abstract getTrackPoints(): TrackPoint[];
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abstract toGeoJSON(): GeoJSON.Feature | GeoJSON.Feature[] | GeoJSON.FeatureCollection | GeoJSON.FeatureCollection[];
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// Producers
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abstract _reverse(originalNextTimestamp?: Date, newPreviousTimestamp?: Date);
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}
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export type AnyGPXTreeElement = GPXTreeElement<GPXTreeElement<any>>;
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// An abstract class that can be extended to facilitate functions working similarly with Tracks and TrackSegments
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abstract class GPXTreeNode<T extends GPXTreeElement<any>> extends GPXTreeElement<T> {
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isLeaf(): boolean {
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return false;
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}
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getNumberOfTrackPoints(): number {
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return this.children.reduce((acc, child) => acc + child.getNumberOfTrackPoints(), 0);
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}
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getStartTimestamp(): Date | undefined {
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if (this.children.length === 0) {
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return undefined;
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}
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return this.children[0].getStartTimestamp();
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}
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getEndTimestamp(): Date | undefined {
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if (this.children.length === 0) {
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return undefined;
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}
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return this.children[this.children.length - 1].getEndTimestamp();
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}
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getStatistics(): GPXStatistics {
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let statistics = new GPXStatistics();
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for (let child of this.children) {
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statistics.mergeWith(child.getStatistics());
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}
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return statistics;
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}
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getSegments(): TrackSegment[] {
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return this.children.flatMap((child) => child.getSegments());
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}
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getTrackPoints(): TrackPoint[] {
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return this.children.flatMap((child) => child.getTrackPoints());
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}
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// Producers
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_reverse(originalNextTimestamp?: Date, newPreviousTimestamp?: Date) {
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let og = getOriginal(this);
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if (!originalNextTimestamp && !newPreviousTimestamp) {
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originalNextTimestamp = og.getEndTimestamp();
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newPreviousTimestamp = og.getStartTimestamp();
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}
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this.children.reverse();
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for (let i = 0; i < og.children.length; i++) {
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let originalStartTimestamp = og.children[og.children.length - i - 1].getStartTimestamp();
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this.children[i]._reverse(originalNextTimestamp, newPreviousTimestamp);
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originalNextTimestamp = originalStartTimestamp;
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newPreviousTimestamp = this.children[i].getEndTimestamp();
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}
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}
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}
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// An abstract class that TrackSegment extends to implement the GPXTreeElement interface
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abstract class GPXTreeLeaf extends GPXTreeElement<GPXTreeLeaf> {
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isLeaf(): boolean {
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return true;
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}
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get children(): Array<GPXTreeLeaf> {
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return [];
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}
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}
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// A class that represents a GPX file
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export class GPXFile extends GPXTreeNode<Track> {
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[immerable] = true;
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attributes: GPXFileAttributes;
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metadata: Metadata;
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wpt: Waypoint[];
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trk: Track[];
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rte: RouteType[];
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constructor(gpx?: GPXFileType & { _data?: any } | GPXFile) {
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super();
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if (gpx) {
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this.attributes = gpx.attributes
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this.metadata = gpx.metadata ?? {};
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this.metadata.author = {
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name: 'gpx.studio',
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link: {
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attributes: {
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href: 'https://gpx.studio',
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}
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}
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};
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this.wpt = gpx.wpt ? gpx.wpt.map((waypoint) => new Waypoint(waypoint)) : [];
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this.trk = gpx.trk ? gpx.trk.map((track) => new Track(track)) : [];
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if (gpx.rte && gpx.rte.length > 0) {
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this.trk = this.trk.concat(gpx.rte.map((route) => convertRouteToTrack(route)));
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}
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if (gpx.hasOwnProperty('_data')) {
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this._data = gpx._data;
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}
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if (!this._data.hasOwnProperty('style')) {
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let style = this.getStyle();
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let fileStyle = {};
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if (style.color.length === 1) {
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fileStyle['gpx_style:color'] = style.color[0];
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}
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if (style.width.length === 1) {
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fileStyle['gpx_style:width'] = style.width[0];
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}
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if (style.opacity.length === 1) {
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fileStyle['gpx_style:opacity'] = style.opacity[0];
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}
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if (Object.keys(fileStyle).length > 0) {
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this.setStyle(fileStyle);
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}
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}
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} else {
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this.attributes = {};
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this.metadata = {};
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this.wpt = [];
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this.trk = [new Track()];
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}
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this.trk.forEach((track, trackIndex) => {
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track._data['trackIndex'] = trackIndex;
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track.trkseg.forEach((segment, segmentIndex) => {
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segment._data['trackIndex'] = trackIndex;
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segment._data['segmentIndex'] = segmentIndex;
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});
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});
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this.wpt.forEach((waypoint, waypointIndex) => {
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waypoint._data['index'] = waypointIndex;
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});
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}
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get children(): Array<Track> {
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return this.trk;
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}
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getSegment(trackIndex: number, segmentIndex: number): TrackSegment {
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return this.trk[trackIndex].children[segmentIndex];
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}
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forEachSegment(callback: (segment: TrackSegment, trackIndex: number, segmentIndex: number) => void) {
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this.trk.forEach((track, trackIndex) => {
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track.children.forEach((segment, segmentIndex) => {
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callback(segment, trackIndex, segmentIndex);
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});
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});
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}
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getStyle(): MergedLineStyles {
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return this.trk.map((track) => track.getStyle()).reduce((acc, style) => {
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if (style) {
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if (style["gpx_style:color"] && !acc.color.includes(style["gpx_style:color"])) {
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acc.color.push(style["gpx_style:color"]);
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}
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if (style["gpx_style:opacity"] && !acc.opacity.includes(style["gpx_style:opacity"])) {
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acc.opacity.push(style["gpx_style:opacity"]);
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}
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if (style["gpx_style:width"] && !acc.width.includes(style["gpx_style:width"])) {
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acc.width.push(style["gpx_style:width"]);
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}
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}
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return acc;
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}, {
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color: [],
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opacity: [],
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width: []
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});
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}
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clone(): GPXFile {
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return new GPXFile({
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attributes: cloneJSON(this.attributes),
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metadata: cloneJSON(this.metadata),
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wpt: this.wpt.map((waypoint) => waypoint.clone()),
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trk: this.trk.map((track) => track.clone()),
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rte: [],
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_data: cloneJSON(this._data),
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});
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}
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toGeoJSON(): GeoJSON.FeatureCollection {
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return {
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type: "FeatureCollection",
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features: this.children.flatMap((child) => child.toGeoJSON())
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};
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}
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toGPXFileType(exclude: string[] = []): GPXFileType {
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let file: GPXFileType = {
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attributes: cloneJSON(this.attributes),
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metadata: {},
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wpt: this.wpt.map((wpt) => wpt.toWaypointType(exclude)),
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trk: this.trk.map((track) => track.toTrackType(exclude)),
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rte: [],
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};
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if (this.metadata) {
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if (this.metadata.name) {
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file.metadata.name = this.metadata.name;
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}
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if (this.metadata.desc) {
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file.metadata.desc = this.metadata.desc;
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}
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if (this.metadata.author) {
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file.metadata.author = cloneJSON(this.metadata.author);
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}
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if (this.metadata.link) {
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file.metadata.link = cloneJSON(this.metadata.link);
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}
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if (this.metadata.time && !exclude.includes('time')) {
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file.metadata.time = this.metadata.time;
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}
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}
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return file;
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}
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// Producers
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replaceTracks(start: number, end: number, tracks: Track[]) {
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if (this._data.style) {
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tracks.forEach((track) => track.setStyle(this._data.style, false));
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}
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this.trk.splice(start, end - start + 1, ...tracks);
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}
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replaceTrackSegments(trackIndex: number, start: number, end: number, segments: TrackSegment[]) {
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this.trk[trackIndex].replaceTrackSegments(start, end, segments);
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}
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replaceTrackPoints(trackIndex: number, segmentIndex: number, start: number, end: number, points: TrackPoint[], speed?: number, startTime?: Date) {
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this.trk[trackIndex].replaceTrackPoints(segmentIndex, start, end, points, speed, startTime);
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}
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replaceWaypoints(start: number, end: number, waypoints: Waypoint[]) {
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this.wpt.splice(start, end - start + 1, ...waypoints);
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}
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reverse() {
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return this._reverse(this.getEndTimestamp(), this.getStartTimestamp());
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}
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reverseTrack(trackIndex: number) {
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this.trk[trackIndex]._reverse();
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}
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reverseTrackSegment(trackIndex: number, segmentIndex: number) {
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this.trk[trackIndex].reverseTrackSegment(segmentIndex);
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}
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roundTrip() {
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this.trk.forEach((track) => {
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track.roundTrip();
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});
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}
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roundTripTrack(trackIndex: number) {
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this.trk[trackIndex].roundTrip();
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}
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roundTripTrackSegment(trackIndex: number, segmentIndex: number) {
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this.trk[trackIndex].roundTripTrackSegment(segmentIndex);
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}
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crop(start: number, end: number, trackIndices?: number[], segmentIndices?: number[]) {
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let i = 0;
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let trackIndex = 0;
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while (i < this.trk.length) {
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let length = this.trk[i].getNumberOfTrackPoints();
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if (trackIndices === undefined || trackIndices.includes(trackIndex)) {
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if (start >= length || end < 0) {
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this.trk.splice(i, 1);
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} else {
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if (start > 0 || end < length - 1) {
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this.trk[i].crop(Math.max(0, start), Math.min(length - 1, end), segmentIndices);
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}
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i++;
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}
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start -= length;
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end -= length;
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} else {
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i++;
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}
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trackIndex++;
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}
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}
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clean(bounds: [Coordinates, Coordinates], inside: boolean, deleteTrackPoints: boolean, deleteWaypoints: boolean, trackIndices?: number[], segmentIndices?: number[], waypointIndices?: number[]) {
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if (deleteTrackPoints) {
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let i = 0;
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let trackIndex = 0;
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while (i < this.trk.length) {
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if (trackIndices === undefined || trackIndices.includes(trackIndex)) {
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this.trk[i].clean(bounds, inside, segmentIndices);
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if (this.trk[i].getNumberOfTrackPoints() === 0) {
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this.trk.splice(i, 1);
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} else {
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i++;
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}
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} else {
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i++;
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}
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trackIndex++;
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}
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}
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if (deleteWaypoints) {
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let og = getOriginal(this); // Read as much as possible from the original object because it is faster
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let wpt = og.wpt.filter((point, waypointIndex) => {
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if (waypointIndices === undefined || waypointIndices.includes(waypointIndex)) {
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let inBounds = point.attributes.lat >= bounds[0].lat && point.attributes.lat <= bounds[1].lat && point.attributes.lon >= bounds[0].lon && point.attributes.lon <= bounds[1].lon;
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return inBounds !== inside;
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} else {
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return true;
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}
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});
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this.wpt = freeze(wpt); // Pre-freeze the array, faster as well
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}
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}
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changeTimestamps(startTime: Date, speed: number, ratio: number, trackIndex?: number, segmentIndex?: number) {
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let lastPoint = undefined;
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this.trk.forEach((track, index) => {
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if (trackIndex === undefined || trackIndex === index) {
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track.changeTimestamps(startTime, speed, ratio, lastPoint, segmentIndex);
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}
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});
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}
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createArtificialTimestamps(startTime: Date, totalTime: number, trackIndex?: number, segmentIndex?: number) {
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let lastPoint = undefined;
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this.trk.forEach((track, index) => {
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if (trackIndex === undefined || trackIndex === index) {
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track.createArtificialTimestamps(startTime, totalTime, lastPoint, segmentIndex);
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}
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});
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}
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addElevation(elevations: number[], trackIndices?: number[], segmentIndices?: number[], waypointIndices?: number[]) {
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let index = 0;
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this.trk.forEach((track, trackIndex) => {
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if (trackIndices === undefined || trackIndices.includes(trackIndex)) {
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track.trkseg.forEach((segment, segmentIndex) => {
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if (segmentIndices === undefined || segmentIndices.includes(segmentIndex)) {
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segment.trkpt.forEach((point) => {
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point.ele = elevations[index++];
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});
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}
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});
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}
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});
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this.wpt.forEach((waypoint, waypointIndex) => {
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if (waypointIndices === undefined || waypointIndices.includes(waypointIndex)) {
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waypoint.ele = elevations[index++];
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}
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});
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elevations.splice(0, index);
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}
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setStyle(style: LineStyleExtension) {
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this.trk.forEach((track) => {
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track.setStyle(style);
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});
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if (!this._data.style) {
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this._data.style = {};
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}
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if (style["gpx_style:color"]) {
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this._data.style.color = style["gpx_style:color"].replace('#', '');
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}
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if (style["gpx_style:opacity"]) {
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this._data.style.opacity = style["gpx_style:opacity"];
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}
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if (style["gpx_style:width"]) {
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this._data.style.width = style["gpx_style:width"];
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}
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}
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setHidden(hidden: boolean, trackIndices?: number[], segmentIndices?: number[]) {
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let allHidden = hidden;
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this.trk.forEach((track, index) => {
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if (trackIndices === undefined || trackIndices.includes(index)) {
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track.setHidden(hidden, segmentIndices);
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} else {
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allHidden = allHidden && (track._data.hidden === true);
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}
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});
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this.wpt.forEach((waypoint) => {
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if (trackIndices === undefined && segmentIndices === undefined) {
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waypoint.setHidden(hidden);
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} else {
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allHidden = allHidden && (waypoint._data.hidden === true);
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}
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});
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if (trackIndices === undefined && segmentIndices === undefined) {
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this._data.hiddenWpt = hidden;
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}
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this._data.hidden = allHidden;
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}
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setHiddenWaypoints(hidden: boolean, waypointIndices?: number[]) {
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let allHiddenWpt = hidden;
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this.wpt.forEach((waypoint, index) => {
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if (waypointIndices === undefined || waypointIndices.includes(index)) {
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waypoint.setHidden(hidden);
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} else {
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allHiddenWpt = allHiddenWpt && (waypoint._data.hidden === true);
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}
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});
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let allHiddenTrk = true;
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this.trk.forEach((track) => {
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allHiddenTrk = allHiddenTrk && (track._data.hidden === true);
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});
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this._data.hiddenWpt = allHiddenWpt;
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this._data.hidden = allHiddenTrk && allHiddenWpt;
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}
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};
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// A class that represents a Track in a GPX file
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export class Track extends GPXTreeNode<TrackSegment> {
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[immerable] = true;
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name?: string;
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cmt?: string;
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desc?: string;
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src?: string;
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link?: Link;
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type?: string;
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extensions?: TrackExtensions;
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trkseg: TrackSegment[];
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constructor(track?: TrackType & { _data?: any } | Track) {
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super();
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if (track) {
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this.name = track.name;
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this.cmt = track.cmt;
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this.desc = track.desc;
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this.src = track.src;
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this.link = track.link;
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this.type = track.type;
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this.trkseg = track.trkseg ? track.trkseg.map((seg) => new TrackSegment(seg)) : [];
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this.extensions = track.extensions;
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if (track.hasOwnProperty('_data')) {
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this._data = track._data;
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}
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} else {
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this.trkseg = [new TrackSegment()];
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}
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}
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get children(): Array<TrackSegment> {
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return this.trkseg;
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}
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clone(): Track {
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return new Track({
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name: this.name,
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cmt: this.cmt,
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desc: this.desc,
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src: this.src,
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link: cloneJSON(this.link),
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type: this.type,
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extensions: cloneJSON(this.extensions),
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trkseg: this.trkseg.map((seg) => seg.clone()),
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_data: cloneJSON(this._data),
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});
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}
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getStyle(): LineStyleExtension | undefined {
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if (this.extensions && this.extensions['gpx_style:line']) {
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if (this.extensions["gpx_style:line"]["gpx_style:color"]) {
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return {
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...this.extensions["gpx_style:line"],
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["gpx_style:color"]: `#${this.extensions["gpx_style:line"]["gpx_style:color"]}`
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}
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}
|
|
return this.extensions['gpx_style:line'];
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
toGeoJSON(): GeoJSON.Feature[] {
|
|
return this.children.map((child) => {
|
|
let geoJSON = child.toGeoJSON();
|
|
if (this.extensions && this.extensions['gpx_style:line']) {
|
|
if (this.extensions['gpx_style:line']["gpx_style:color"]) {
|
|
geoJSON.properties['color'] = `#${this.extensions['gpx_style:line']["gpx_style:color"]}`;
|
|
}
|
|
if (this.extensions['gpx_style:line']["gpx_style:opacity"]) {
|
|
geoJSON.properties['opacity'] = this.extensions['gpx_style:line']["gpx_style:opacity"];
|
|
}
|
|
if (this.extensions['gpx_style:line']["gpx_style:width"]) {
|
|
geoJSON.properties['width'] = this.extensions['gpx_style:line']["gpx_style:width"];
|
|
}
|
|
}
|
|
return geoJSON;
|
|
});
|
|
}
|
|
|
|
toTrackType(exclude: string[] = []): TrackType {
|
|
return {
|
|
name: this.name,
|
|
cmt: this.cmt,
|
|
desc: this.desc,
|
|
src: this.src,
|
|
link: this.link,
|
|
type: this.type,
|
|
extensions: this.extensions,
|
|
trkseg: this.trkseg.map((seg) => seg.toTrackSegmentType(exclude)),
|
|
};
|
|
}
|
|
|
|
// Producers
|
|
replaceTrackSegments(start: number, end: number, segments: TrackSegment[]) {
|
|
this.trkseg.splice(start, end - start + 1, ...segments);
|
|
}
|
|
|
|
replaceTrackPoints(segmentIndex: number, start: number, end: number, points: TrackPoint[], speed?: number, startTime?: Date) {
|
|
this.trkseg[segmentIndex].replaceTrackPoints(start, end, points, speed, startTime);
|
|
}
|
|
|
|
reverseTrackSegment(segmentIndex: number) {
|
|
this.trkseg[segmentIndex]._reverse(this.trkseg[segmentIndex].getEndTimestamp(), this.trkseg[segmentIndex].getStartTimestamp());
|
|
}
|
|
|
|
roundTrip() {
|
|
this.trkseg.forEach((segment) => {
|
|
segment.roundTrip();
|
|
});
|
|
}
|
|
|
|
roundTripTrackSegment(segmentIndex: number) {
|
|
this.trkseg[segmentIndex].roundTrip();
|
|
}
|
|
|
|
crop(start: number, end: number, segmentIndices?: number[]) {
|
|
let i = 0;
|
|
let segmentIndex = 0;
|
|
while (i < this.trkseg.length) {
|
|
let length = this.trkseg[i].getNumberOfTrackPoints();
|
|
if (segmentIndices === undefined || segmentIndices.includes(segmentIndex)) {
|
|
if (start >= length || end < 0) {
|
|
this.trkseg.splice(i, 1);
|
|
} else {
|
|
if (start > 0 || end < length - 1) {
|
|
this.trkseg[i].crop(Math.max(0, start), Math.min(length - 1, end));
|
|
}
|
|
i++;
|
|
}
|
|
start -= length;
|
|
end -= length;
|
|
} else {
|
|
i++;
|
|
}
|
|
segmentIndex++;
|
|
}
|
|
}
|
|
|
|
clean(bounds: [Coordinates, Coordinates], inside: boolean, segmentIndices?: number[]) {
|
|
let i = 0;
|
|
let segmentIndex = 0;
|
|
while (i < this.trkseg.length) {
|
|
if (segmentIndices === undefined || segmentIndices.includes(segmentIndex)) {
|
|
this.trkseg[i].clean(bounds, inside);
|
|
if (this.trkseg[i].getNumberOfTrackPoints() === 0) {
|
|
this.trkseg.splice(i, 1);
|
|
} else {
|
|
i++;
|
|
}
|
|
} else {
|
|
i++;
|
|
}
|
|
segmentIndex++;
|
|
}
|
|
}
|
|
|
|
changeTimestamps(startTime: Date, speed: number, ratio: number, lastPoint?: TrackPoint, segmentIndex?: number) {
|
|
this.trkseg.forEach((segment, index) => {
|
|
if (segmentIndex === undefined || segmentIndex === index) {
|
|
segment.changeTimestamps(startTime, speed, ratio, lastPoint);
|
|
if (segment.trkpt.length > 0) {
|
|
lastPoint = segment.trkpt[segment.trkpt.length - 1];
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
createArtificialTimestamps(startTime: Date, totalTime: number, lastPoint: TrackPoint | undefined, segmentIndex?: number) {
|
|
this.trkseg.forEach((segment, index) => {
|
|
if (segmentIndex === undefined || segmentIndex === index) {
|
|
segment.createArtificialTimestamps(startTime, totalTime, lastPoint);
|
|
if (segment.trkpt.length > 0) {
|
|
lastPoint = segment.trkpt[segment.trkpt.length - 1];
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
setStyle(style: LineStyleExtension, force: boolean = true) {
|
|
if (!this.extensions) {
|
|
this.extensions = {};
|
|
}
|
|
if (!this.extensions['gpx_style:line']) {
|
|
this.extensions['gpx_style:line'] = {};
|
|
}
|
|
if (style["gpx_style:color"] !== undefined && (force || this.extensions['gpx_style:line']["gpx_style:color"] === undefined)) {
|
|
this.extensions['gpx_style:line']["gpx_style:color"] = style["gpx_style:color"].replace('#', '');
|
|
}
|
|
if (style["gpx_style:opacity"] !== undefined && (force || this.extensions['gpx_style:line']["gpx_style:opacity"] === undefined)) {
|
|
this.extensions['gpx_style:line']["gpx_style:opacity"] = style["gpx_style:opacity"];
|
|
}
|
|
if (style["gpx_style:width"] !== undefined && (force || this.extensions['gpx_style:line']["gpx_style:width"] === undefined)) {
|
|
this.extensions['gpx_style:line']["gpx_style:width"] = style["gpx_style:width"];
|
|
}
|
|
}
|
|
|
|
setHidden(hidden: boolean, segmentIndices?: number[]) {
|
|
let allHidden = hidden;
|
|
this.trkseg.forEach((segment, index) => {
|
|
if (segmentIndices === undefined || segmentIndices.includes(index)) {
|
|
segment.setHidden(hidden);
|
|
} else {
|
|
allHidden = allHidden && (segment._data.hidden === true);
|
|
}
|
|
});
|
|
this._data.hidden = allHidden;
|
|
}
|
|
}
|
|
|
|
// A class that represents a TrackSegment in a GPX file
|
|
export class TrackSegment extends GPXTreeLeaf {
|
|
[immerable] = true;
|
|
|
|
trkpt: TrackPoint[];
|
|
|
|
constructor(segment?: TrackSegmentType & { _data?: any } | TrackSegment) {
|
|
super();
|
|
if (segment) {
|
|
this.trkpt = segment.trkpt.map((point) => new TrackPoint(point));
|
|
if (segment.hasOwnProperty('_data')) {
|
|
this._data = segment._data;
|
|
}
|
|
} else {
|
|
this.trkpt = [];
|
|
}
|
|
}
|
|
|
|
_computeStatistics(): GPXStatistics {
|
|
let statistics = new GPXStatistics();
|
|
|
|
statistics.local.points = this.trkpt.map((point) => point);
|
|
|
|
statistics.local.elevation.smoothed = this._computeSmoothedElevation();
|
|
statistics.local.slope.at = this._computeSlope();
|
|
|
|
const points = this.trkpt;
|
|
for (let i = 0; i < points.length; i++) {
|
|
points[i]._data['index'] = i;
|
|
|
|
// distance
|
|
let dist = 0;
|
|
if (i > 0) {
|
|
dist = distance(points[i - 1].getCoordinates(), points[i].getCoordinates()) / 1000;
|
|
|
|
statistics.global.distance.total += dist;
|
|
}
|
|
|
|
statistics.local.distance.total.push(statistics.global.distance.total);
|
|
|
|
// elevation
|
|
if (i > 0) {
|
|
const ele = statistics.local.elevation.smoothed[i] - statistics.local.elevation.smoothed[i - 1];
|
|
if (ele > 0) {
|
|
statistics.global.elevation.gain += ele;
|
|
} else if (ele < 0) {
|
|
statistics.global.elevation.loss -= ele;
|
|
}
|
|
}
|
|
|
|
statistics.local.elevation.gain.push(statistics.global.elevation.gain);
|
|
statistics.local.elevation.loss.push(statistics.global.elevation.loss);
|
|
|
|
// time
|
|
if (points[i].time === undefined) {
|
|
statistics.local.time.total.push(0);
|
|
} else {
|
|
if (statistics.global.time.start === undefined) {
|
|
statistics.global.time.start = points[i].time;
|
|
}
|
|
statistics.global.time.end = points[i].time;
|
|
statistics.local.time.total.push((points[i].time.getTime() - statistics.global.time.start.getTime()) / 1000);
|
|
}
|
|
|
|
// speed
|
|
let speed = 0;
|
|
if (i > 0 && points[i - 1].time !== undefined && points[i].time !== undefined) {
|
|
const time = (points[i].time.getTime() - points[i - 1].time.getTime()) / 1000;
|
|
speed = dist / (time / 3600);
|
|
|
|
if (speed >= 0.5 && speed <= 1500) {
|
|
statistics.global.distance.moving += dist;
|
|
statistics.global.time.moving += time;
|
|
}
|
|
}
|
|
|
|
statistics.local.distance.moving.push(statistics.global.distance.moving);
|
|
statistics.local.time.moving.push(statistics.global.time.moving);
|
|
|
|
// bounds
|
|
statistics.global.bounds.southWest.lat = Math.min(statistics.global.bounds.southWest.lat, points[i].attributes.lat);
|
|
statistics.global.bounds.southWest.lon = Math.min(statistics.global.bounds.southWest.lon, points[i].attributes.lon);
|
|
statistics.global.bounds.northEast.lat = Math.max(statistics.global.bounds.northEast.lat, points[i].attributes.lat);
|
|
statistics.global.bounds.northEast.lon = Math.max(statistics.global.bounds.northEast.lon, points[i].attributes.lon);
|
|
|
|
// extensions
|
|
if (points[i].extensions) {
|
|
if (points[i].extensions["gpxtpx:TrackPointExtension"] && points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:atemp"]) {
|
|
let atemp = points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:atemp"];
|
|
statistics.global.atemp.avg = (statistics.global.atemp.count * statistics.global.atemp.avg + atemp) / (statistics.global.atemp.count + 1);
|
|
statistics.global.atemp.count++;
|
|
}
|
|
if (points[i].extensions["gpxtpx:TrackPointExtension"] && points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:hr"]) {
|
|
let hr = points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:hr"];
|
|
statistics.global.hr.avg = (statistics.global.hr.count * statistics.global.hr.avg + hr) / (statistics.global.hr.count + 1);
|
|
statistics.global.hr.count++;
|
|
}
|
|
if (points[i].extensions["gpxtpx:TrackPointExtension"] && points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:cad"]) {
|
|
let cad = points[i].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:cad"];
|
|
statistics.global.cad.avg = (statistics.global.cad.count * statistics.global.cad.avg + cad) / (statistics.global.cad.count + 1);
|
|
statistics.global.cad.count++;
|
|
}
|
|
if (points[i].extensions["gpxpx:PowerExtension"] && points[i].extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"]) {
|
|
let power = points[i].extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"];
|
|
statistics.global.power.avg = (statistics.global.power.count * statistics.global.power.avg + power) / (statistics.global.power.count + 1);
|
|
statistics.global.power.count++;
|
|
}
|
|
}
|
|
|
|
if (i > 0 && points[i - 1].extensions && points[i - 1].extensions["gpxtpx:TrackPointExtension"] && points[i - 1].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]) {
|
|
Object.entries(points[i - 1].extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]).forEach(([key, value]) => {
|
|
if (statistics.global.extensions[key] === undefined) {
|
|
statistics.global.extensions[key] = {};
|
|
}
|
|
if (statistics.global.extensions[key][value] === undefined) {
|
|
statistics.global.extensions[key][value] = 0;
|
|
}
|
|
statistics.global.extensions[key][value] += dist;
|
|
});
|
|
}
|
|
}
|
|
|
|
[statistics.local.slope.segment, statistics.local.slope.length] = this._computeSlopeSegments(statistics);
|
|
|
|
statistics.global.time.total = statistics.global.time.start && statistics.global.time.end ? (statistics.global.time.end.getTime() - statistics.global.time.start.getTime()) / 1000 : 0;
|
|
statistics.global.speed.total = statistics.global.time.total > 0 ? statistics.global.distance.total / (statistics.global.time.total / 3600) : 0;
|
|
statistics.global.speed.moving = statistics.global.time.moving > 0 ? statistics.global.distance.moving / (statistics.global.time.moving / 3600) : 0;
|
|
|
|
statistics.local.speed = distanceWindowSmoothingWithDistanceAccumulator(points, 200, (accumulated, start, end) => (points[start].time && points[end].time) ? 3600 * accumulated / (points[end].time.getTime() - points[start].time.getTime()) : undefined);
|
|
|
|
return statistics;
|
|
}
|
|
|
|
_computeSmoothedElevation(): number[] {
|
|
const points = this.trkpt;
|
|
|
|
let smoothed = distanceWindowSmoothing(points, 100, (index) => points[index].ele ?? 0, (accumulated, start, end) => accumulated / (end - start + 1));
|
|
|
|
if (points.length > 0) {
|
|
smoothed[0] = points[0].ele ?? 0;
|
|
smoothed[points.length - 1] = points[points.length - 1].ele ?? 0;
|
|
}
|
|
|
|
return smoothed;
|
|
}
|
|
|
|
_computeSlope(): number[] {
|
|
const points = this.trkpt;
|
|
|
|
return distanceWindowSmoothingWithDistanceAccumulator(points, 50, (accumulated, start, end) => 100 * ((points[end].ele ?? 0) - (points[start].ele ?? 0)) / (accumulated > 0 ? accumulated : 1));
|
|
}
|
|
|
|
_computeSlopeSegments(statistics: GPXStatistics): [number[], number[]] {
|
|
let simplified = ramerDouglasPeucker(this.trkpt, 20, getElevationDistanceFunction(statistics));
|
|
|
|
let slope = [];
|
|
let length = [];
|
|
|
|
for (let i = 0; i < simplified.length - 1; i++) {
|
|
let start = simplified[i].point._data.index;
|
|
let end = simplified[i + 1].point._data.index;
|
|
let dist = statistics.local.distance.total[end] - statistics.local.distance.total[start];
|
|
let ele = (simplified[i + 1].point.ele ?? 0) - (simplified[i].point.ele ?? 0);
|
|
|
|
for (let j = start; j < end + (i + 1 === simplified.length - 1 ? 1 : 0); j++) {
|
|
slope.push(0.1 * ele / dist);
|
|
length.push(dist);
|
|
}
|
|
}
|
|
|
|
return [slope, length];
|
|
}
|
|
|
|
getNumberOfTrackPoints(): number {
|
|
return this.trkpt.length;
|
|
}
|
|
|
|
getStartTimestamp(): Date | undefined {
|
|
if (this.trkpt.length === 0) {
|
|
return undefined;
|
|
}
|
|
return this.trkpt[0].time;
|
|
}
|
|
|
|
getEndTimestamp(): Date | undefined {
|
|
if (this.trkpt.length === 0) {
|
|
return undefined;
|
|
}
|
|
return this.trkpt[this.trkpt.length - 1].time;
|
|
}
|
|
|
|
getStatistics(): GPXStatistics {
|
|
return this._computeStatistics();
|
|
}
|
|
|
|
getSegments(): TrackSegment[] {
|
|
return [this];
|
|
}
|
|
|
|
getTrackPoints(): TrackPoint[] {
|
|
return this.trkpt;
|
|
}
|
|
|
|
toGeoJSON(): GeoJSON.Feature {
|
|
return {
|
|
type: "Feature",
|
|
geometry: {
|
|
type: "LineString",
|
|
coordinates: this.trkpt.map((point) => [point.attributes.lon, point.attributes.lat])
|
|
},
|
|
properties: {}
|
|
};
|
|
}
|
|
|
|
toTrackSegmentType(exclude: string[] = []): TrackSegmentType {
|
|
return {
|
|
trkpt: this.trkpt.map((point) => point.toTrackPointType(exclude))
|
|
};
|
|
}
|
|
|
|
clone(): TrackSegment {
|
|
return new TrackSegment({
|
|
trkpt: this.trkpt.map((point) => point.clone()),
|
|
_data: cloneJSON(this._data),
|
|
});
|
|
}
|
|
|
|
// Producers
|
|
replaceTrackPoints(start: number, end: number, points: TrackPoint[], speed?: number, startTime?: Date, removeGaps?: boolean) {
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
let trkpt = og.trkpt.slice();
|
|
|
|
if (speed !== undefined || (trkpt.length > 0 && trkpt[0].time !== undefined)) {
|
|
// Must handle timestamps (either segment has timestamps or the new points will have timestamps)
|
|
if (start > 0 && trkpt[0].time === undefined) {
|
|
// Add timestamps to points before [start, end] because they are missing
|
|
trkpt.splice(0, 0, ...withTimestamps(trkpt.splice(0, start), speed, undefined, startTime));
|
|
}
|
|
if (points.length > 0) {
|
|
// Adapt timestamps of the new points
|
|
let last = start > 0 ? trkpt[start - 1] : undefined;
|
|
if (points[0].time === undefined || (points.length > 1 && points[1].time === undefined)) {
|
|
// Add timestamps to the new points because they are missing
|
|
points = withTimestamps(points, speed, last, startTime);
|
|
} else if (last !== undefined && points[0].time < last.time) {
|
|
// Adapt timestamps of the new points because they are too early
|
|
points = withShiftedAndCompressedTimestamps(points, speed, 1, last);
|
|
} else if (last !== undefined && removeGaps) {
|
|
// Remove gaps between the new points and the previous point
|
|
if (last.getLatitude() === points[0].getLatitude() && last.getLongitude() === points[0].getLongitude()) {
|
|
// Same point, make the new points start at its timestamp and remove the first point
|
|
if (points[0].time > last.time) {
|
|
points = withShiftedAndCompressedTimestamps(points, speed, 1, last).slice(1);
|
|
}
|
|
} else {
|
|
// Different points, make the new points start one second after the previous point
|
|
if (points[0].time.getTime() - last.time.getTime() > 1000) {
|
|
let artificialLast = points[0].clone();
|
|
artificialLast.time = new Date(last.time.getTime() + 1000);
|
|
points = withShiftedAndCompressedTimestamps(points, speed, 1, artificialLast);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (end < trkpt.length - 1) {
|
|
// Adapt timestamps of points after [start, end]
|
|
let last = points.length > 0 ? points[points.length - 1] : start > 0 ? trkpt[start - 1] : undefined;
|
|
if (trkpt[end + 1].time === undefined) {
|
|
// Add timestamps to points after [start, end] because they are missing
|
|
trkpt.splice(end + 1, 0, ...withTimestamps(trkpt.splice(end + 1), speed, last, startTime));
|
|
} else if (last !== undefined && trkpt[end + 1].time < last.time) {
|
|
// Adapt timestamps of points after [start, end] because they are too early
|
|
trkpt.splice(end + 1, 0, ...withShiftedAndCompressedTimestamps(trkpt.splice(end + 1), speed, 1, last));
|
|
}
|
|
}
|
|
}
|
|
|
|
trkpt.splice(start, end - start + 1, ...points);
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
}
|
|
|
|
_reverse(originalNextTimestamp?: Date, newPreviousTimestamp?: Date) {
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
let originalStartTimestamp = og.getStartTimestamp();
|
|
let originalEndTimestamp = og.getEndTimestamp();
|
|
if (!newPreviousTimestamp) {
|
|
newPreviousTimestamp = originalStartTimestamp;
|
|
}
|
|
if (newPreviousTimestamp && originalEndTimestamp && !originalNextTimestamp) {
|
|
originalNextTimestamp = new Date(newPreviousTimestamp.getTime() + originalEndTimestamp.getTime() - originalStartTimestamp.getTime());
|
|
}
|
|
if (originalNextTimestamp !== undefined && newPreviousTimestamp !== undefined && originalEndTimestamp !== undefined) {
|
|
let newStartTimestamp = new Date(
|
|
newPreviousTimestamp.getTime() + originalNextTimestamp.getTime() - originalEndTimestamp.getTime()
|
|
);
|
|
|
|
let trkpt = og.trkpt.map((point, i) => new TrackPoint({
|
|
attributes: cloneJSON(point.attributes),
|
|
ele: point.ele,
|
|
time: new Date(
|
|
newStartTimestamp.getTime() + (originalEndTimestamp.getTime() - og.trkpt[i].time.getTime())
|
|
),
|
|
extensions: cloneJSON(point.extensions),
|
|
_data: cloneJSON(point._data),
|
|
}));
|
|
|
|
trkpt.reverse();
|
|
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
} else {
|
|
this.trkpt.reverse();
|
|
}
|
|
}
|
|
|
|
roundTrip() {
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
let newSegment = og.clone();
|
|
newSegment._reverse(newSegment.getEndTimestamp(), newSegment.getEndTimestamp());
|
|
this.replaceTrackPoints(this.trkpt.length, this.trkpt.length, newSegment.trkpt);
|
|
}
|
|
|
|
crop(start: number, end: number) {
|
|
this.trkpt = this.trkpt.slice(start, end + 1);
|
|
}
|
|
|
|
clean(bounds: [Coordinates, Coordinates], inside: boolean) {
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
let trkpt = og.trkpt.filter((point) => {
|
|
let inBounds = point.attributes.lat >= bounds[0].lat && point.attributes.lat <= bounds[1].lat && point.attributes.lon >= bounds[0].lon && point.attributes.lon <= bounds[1].lon;
|
|
return inBounds !== inside;
|
|
});
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
}
|
|
|
|
changeTimestamps(startTime: Date, speed: number, ratio: number, lastPoint?: TrackPoint) {
|
|
if (lastPoint === undefined && this.trkpt.length > 0) {
|
|
lastPoint = this.trkpt[0].clone();
|
|
lastPoint.time = startTime;
|
|
}
|
|
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
if (og.trkpt.length > 0 && og.trkpt[0].time === undefined) {
|
|
let trkpt = withTimestamps(og.trkpt, speed, lastPoint, startTime);
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
} else {
|
|
let trkpt = withShiftedAndCompressedTimestamps(og.trkpt, speed, ratio, lastPoint);
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
}
|
|
}
|
|
|
|
createArtificialTimestamps(startTime: Date, totalTime: number, lastPoint: TrackPoint | undefined) {
|
|
let og = getOriginal(this); // Read as much as possible from the original object because it is faster
|
|
let slope = og._computeSlope();
|
|
let trkpt = withArtificialTimestamps(og.trkpt, totalTime, lastPoint, startTime, slope);
|
|
this.trkpt = freeze(trkpt); // Pre-freeze the array, faster as well
|
|
}
|
|
|
|
setHidden(hidden: boolean) {
|
|
this._data.hidden = hidden;
|
|
}
|
|
};
|
|
|
|
export class TrackPoint {
|
|
[immerable] = true;
|
|
|
|
attributes: Coordinates;
|
|
ele?: number;
|
|
time?: Date;
|
|
extensions?: TrackPointExtensions;
|
|
_data: { [key: string]: any } = {};
|
|
|
|
constructor(point: TrackPointType & { _data?: any } | TrackPoint) {
|
|
this.attributes = point.attributes;
|
|
this.ele = point.ele;
|
|
this.time = point.time;
|
|
this.extensions = point.extensions;
|
|
if (point.hasOwnProperty('_data')) {
|
|
this._data = point._data;
|
|
}
|
|
}
|
|
|
|
getCoordinates(): Coordinates {
|
|
return this.attributes;
|
|
}
|
|
|
|
setCoordinates(coordinates: Coordinates): void {
|
|
this.attributes = coordinates;
|
|
}
|
|
|
|
getLatitude(): number {
|
|
return this.attributes.lat;
|
|
}
|
|
|
|
getLongitude(): number {
|
|
return this.attributes.lon;
|
|
}
|
|
|
|
getTemperature(): number {
|
|
return this.extensions && this.extensions['gpxtpx:TrackPointExtension'] && this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:atemp'] ? this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:atemp'] : undefined;
|
|
}
|
|
|
|
getHeartRate(): number {
|
|
return this.extensions && this.extensions['gpxtpx:TrackPointExtension'] && this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:hr'] ? this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:hr'] : undefined;
|
|
}
|
|
|
|
getCadence(): number {
|
|
return this.extensions && this.extensions['gpxtpx:TrackPointExtension'] && this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:cad'] ? this.extensions['gpxtpx:TrackPointExtension']['gpxtpx:cad'] : undefined;
|
|
}
|
|
|
|
getPower(): number {
|
|
return this.extensions && this.extensions["gpxpx:PowerExtension"] && this.extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"] ? this.extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"] : undefined;
|
|
}
|
|
|
|
setExtensions(extensions: Record<string, string>) {
|
|
if (Object.keys(extensions).length === 0) {
|
|
return;
|
|
}
|
|
if (!this.extensions) {
|
|
this.extensions = {};
|
|
}
|
|
if (!this.extensions["gpxtpx:TrackPointExtension"]) {
|
|
this.extensions["gpxtpx:TrackPointExtension"] = {};
|
|
}
|
|
if (!this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]) {
|
|
this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] = {};
|
|
}
|
|
Object.entries(extensions).forEach(([key, value]) => {
|
|
this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"][key] = value;
|
|
});
|
|
}
|
|
|
|
getExtensions(): Record<string, string> {
|
|
return this.extensions && this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] ? this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] : {};
|
|
}
|
|
|
|
toTrackPointType(exclude: string[] = []): TrackPointType {
|
|
let trkpt: TrackPointType = {
|
|
attributes: this.attributes,
|
|
ele: this.ele,
|
|
};
|
|
if (!exclude.includes('time')) {
|
|
trkpt = { ...trkpt, time: this.time };
|
|
}
|
|
if (this.extensions) {
|
|
trkpt = {
|
|
...trkpt, extensions: {
|
|
"gpxtpx:TrackPointExtension": {},
|
|
"gpxpx:PowerExtension": {},
|
|
}
|
|
};
|
|
if (this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:atemp"] && !exclude.includes('atemp')) {
|
|
trkpt.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:atemp"] = this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:atemp"];
|
|
}
|
|
if (this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:hr"] && !exclude.includes('hr')) {
|
|
trkpt.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:hr"] = this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:hr"];
|
|
}
|
|
if (this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:cad"] && !exclude.includes('cad')) {
|
|
trkpt.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:cad"] = this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:cad"];
|
|
}
|
|
if (this.extensions["gpxpx:PowerExtension"] && this.extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"] && !exclude.includes('power')) {
|
|
trkpt.extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"] = this.extensions["gpxpx:PowerExtension"]["gpxpx:PowerInWatts"];
|
|
}
|
|
if (this.extensions["gpxtpx:TrackPointExtension"] && this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] && !exclude.includes('extensions')) {
|
|
trkpt.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"] = {};
|
|
Object.entries(this.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"]).forEach(([key, value]) => {
|
|
trkpt.extensions["gpxtpx:TrackPointExtension"]["gpxtpx:Extensions"][key] = value;
|
|
});
|
|
}
|
|
}
|
|
return trkpt;
|
|
}
|
|
|
|
clone(): TrackPoint {
|
|
return new TrackPoint({
|
|
attributes: cloneJSON(this.attributes),
|
|
ele: this.ele,
|
|
time: this.time ? new Date(this.time.getTime()) : undefined,
|
|
extensions: cloneJSON(this.extensions),
|
|
_data: cloneJSON(this._data),
|
|
});
|
|
}
|
|
};
|
|
|
|
export class Waypoint {
|
|
[immerable] = true;
|
|
|
|
attributes: Coordinates;
|
|
ele?: number;
|
|
time?: Date;
|
|
name?: string;
|
|
cmt?: string;
|
|
desc?: string;
|
|
link?: Link;
|
|
sym?: string;
|
|
type?: string;
|
|
_data: { [key: string]: any } = {};
|
|
|
|
constructor(waypoint: WaypointType & { _data?: any } | Waypoint) {
|
|
this.attributes = waypoint.attributes;
|
|
this.ele = waypoint.ele;
|
|
this.time = waypoint.time;
|
|
this.name = waypoint.name;
|
|
this.cmt = waypoint.cmt;
|
|
this.desc = waypoint.desc;
|
|
this.link = waypoint.link;
|
|
this.sym = waypoint.sym;
|
|
this.type = waypoint.type;
|
|
if (waypoint.hasOwnProperty('_data')) {
|
|
this._data = waypoint._data;
|
|
}
|
|
}
|
|
|
|
getCoordinates(): Coordinates {
|
|
return this.attributes;
|
|
}
|
|
|
|
setCoordinates(coordinates: Coordinates): void {
|
|
this.attributes = coordinates;
|
|
}
|
|
|
|
getLatitude(): number {
|
|
return this.attributes.lat;
|
|
}
|
|
|
|
getLongitude(): number {
|
|
return this.attributes.lon;
|
|
}
|
|
|
|
toWaypointType(exclude: string[] = []): WaypointType {
|
|
if (!exclude.includes('time')) {
|
|
return {
|
|
attributes: this.attributes,
|
|
ele: this.ele,
|
|
time: this.time,
|
|
name: this.name,
|
|
cmt: this.cmt,
|
|
desc: this.desc,
|
|
link: this.link,
|
|
sym: this.sym,
|
|
type: this.type,
|
|
|
|
}
|
|
} else {
|
|
return {
|
|
attributes: this.attributes,
|
|
ele: this.ele,
|
|
name: this.name,
|
|
cmt: this.cmt,
|
|
desc: this.desc,
|
|
link: this.link,
|
|
sym: this.sym,
|
|
type: this.type,
|
|
};
|
|
}
|
|
}
|
|
|
|
clone(): Waypoint {
|
|
return new Waypoint({
|
|
attributes: cloneJSON(this.attributes),
|
|
ele: this.ele,
|
|
time: this.time ? new Date(this.time.getTime()) : undefined,
|
|
name: this.name,
|
|
cmt: this.cmt,
|
|
desc: this.desc,
|
|
link: cloneJSON(this.link),
|
|
sym: this.sym,
|
|
type: this.type,
|
|
});
|
|
}
|
|
|
|
equals(other: Waypoint): boolean {
|
|
if (this.attributes.lat !== other.attributes.lat || this.attributes.lon !== other.attributes.lon || this.ele !== other.ele ||
|
|
this.name !== other.name || this.cmt !== other.cmt || this.desc !== other.desc || this.sym !== other.sym || this.type !== other.type) {
|
|
return false;
|
|
}
|
|
|
|
if (this.time === undefined && other.time !== undefined || this.time !== undefined && other.time === undefined || this.time !== undefined && other.time !== undefined && this.time.getTime() !== other.time.getTime()) {
|
|
return false;
|
|
}
|
|
|
|
if (JSON.stringify(this.link) !== JSON.stringify(other.link)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// Producers
|
|
setHidden(hidden: boolean) {
|
|
this._data.hidden = hidden;
|
|
}
|
|
}
|
|
|
|
export class GPXStatistics {
|
|
global: {
|
|
distance: {
|
|
moving: number,
|
|
total: number,
|
|
},
|
|
time: {
|
|
start: Date | undefined,
|
|
end: Date | undefined,
|
|
moving: number,
|
|
total: number,
|
|
},
|
|
speed: {
|
|
moving: number,
|
|
total: number,
|
|
},
|
|
elevation: {
|
|
gain: number,
|
|
loss: number,
|
|
},
|
|
bounds: {
|
|
southWest: Coordinates,
|
|
northEast: Coordinates,
|
|
},
|
|
atemp: {
|
|
avg: number,
|
|
count: number,
|
|
},
|
|
hr: {
|
|
avg: number,
|
|
count: number,
|
|
},
|
|
cad: {
|
|
avg: number,
|
|
count: number,
|
|
},
|
|
power: {
|
|
avg: number,
|
|
count: number,
|
|
},
|
|
extensions: Record<string, Record<string, number>>,
|
|
};
|
|
local: {
|
|
points: TrackPoint[],
|
|
distance: {
|
|
moving: number[],
|
|
total: number[],
|
|
},
|
|
time: {
|
|
moving: number[],
|
|
total: number[],
|
|
},
|
|
speed: number[],
|
|
elevation: {
|
|
smoothed: number[],
|
|
gain: number[],
|
|
loss: number[],
|
|
},
|
|
slope: {
|
|
at: number[],
|
|
segment: number[],
|
|
length: number[],
|
|
}
|
|
};
|
|
|
|
constructor() {
|
|
this.global = {
|
|
distance: {
|
|
moving: 0,
|
|
total: 0,
|
|
},
|
|
time: {
|
|
start: undefined,
|
|
end: undefined,
|
|
moving: 0,
|
|
total: 0,
|
|
},
|
|
speed: {
|
|
moving: 0,
|
|
total: 0,
|
|
},
|
|
elevation: {
|
|
gain: 0,
|
|
loss: 0,
|
|
},
|
|
bounds: {
|
|
southWest: {
|
|
lat: 90,
|
|
lon: 180,
|
|
},
|
|
northEast: {
|
|
lat: -90,
|
|
lon: -180,
|
|
},
|
|
},
|
|
atemp: {
|
|
avg: 0,
|
|
count: 0,
|
|
},
|
|
hr: {
|
|
avg: 0,
|
|
count: 0,
|
|
},
|
|
cad: {
|
|
avg: 0,
|
|
count: 0,
|
|
},
|
|
power: {
|
|
avg: 0,
|
|
count: 0,
|
|
},
|
|
extensions: {},
|
|
};
|
|
this.local = {
|
|
points: [],
|
|
distance: {
|
|
moving: [],
|
|
total: [],
|
|
},
|
|
time: {
|
|
moving: [],
|
|
total: [],
|
|
},
|
|
speed: [],
|
|
elevation: {
|
|
smoothed: [],
|
|
gain: [],
|
|
loss: [],
|
|
},
|
|
slope: {
|
|
at: [],
|
|
segment: [],
|
|
length: [],
|
|
}
|
|
};
|
|
}
|
|
|
|
mergeWith(other: GPXStatistics): void {
|
|
this.local.points = this.local.points.concat(other.local.points);
|
|
|
|
this.local.distance.total = this.local.distance.total.concat(other.local.distance.total.map((distance) => distance + this.global.distance.total));
|
|
this.local.distance.moving = this.local.distance.moving.concat(other.local.distance.moving.map((distance) => distance + this.global.distance.moving));
|
|
this.local.time.total = this.local.time.total.concat(other.local.time.total.map((time) => time + this.global.time.total));
|
|
this.local.time.moving = this.local.time.moving.concat(other.local.time.moving.map((time) => time + this.global.time.moving));
|
|
this.local.elevation.gain = this.local.elevation.gain.concat(other.local.elevation.gain.map((gain) => gain + this.global.elevation.gain));
|
|
this.local.elevation.loss = this.local.elevation.loss.concat(other.local.elevation.loss.map((loss) => loss + this.global.elevation.loss));
|
|
|
|
this.local.speed = this.local.speed.concat(other.local.speed);
|
|
this.local.elevation.smoothed = this.local.elevation.smoothed.concat(other.local.elevation.smoothed);
|
|
this.local.slope.at = this.local.slope.at.concat(other.local.slope.at);
|
|
this.local.slope.segment = this.local.slope.segment.concat(other.local.slope.segment);
|
|
this.local.slope.length = this.local.slope.length.concat(other.local.slope.length);
|
|
|
|
this.global.distance.total += other.global.distance.total;
|
|
this.global.distance.moving += other.global.distance.moving;
|
|
|
|
this.global.time.start = this.global.time.start !== undefined && other.global.time.start !== undefined ? new Date(Math.min(this.global.time.start.getTime(), other.global.time.start.getTime())) : this.global.time.start ?? other.global.time.start;
|
|
this.global.time.end = this.global.time.end !== undefined && other.global.time.end !== undefined ? new Date(Math.max(this.global.time.end.getTime(), other.global.time.end.getTime())) : this.global.time.end ?? other.global.time.end;
|
|
|
|
this.global.time.total += other.global.time.total;
|
|
this.global.time.moving += other.global.time.moving;
|
|
|
|
this.global.speed.moving = this.global.time.moving > 0 ? this.global.distance.moving / (this.global.time.moving / 3600) : 0;
|
|
this.global.speed.total = this.global.time.total > 0 ? this.global.distance.total / (this.global.time.total / 3600) : 0;
|
|
|
|
this.global.elevation.gain += other.global.elevation.gain;
|
|
this.global.elevation.loss += other.global.elevation.loss;
|
|
|
|
this.global.bounds.southWest.lat = Math.min(this.global.bounds.southWest.lat, other.global.bounds.southWest.lat);
|
|
this.global.bounds.southWest.lon = Math.min(this.global.bounds.southWest.lon, other.global.bounds.southWest.lon);
|
|
this.global.bounds.northEast.lat = Math.max(this.global.bounds.northEast.lat, other.global.bounds.northEast.lat);
|
|
this.global.bounds.northEast.lon = Math.max(this.global.bounds.northEast.lon, other.global.bounds.northEast.lon);
|
|
|
|
this.global.atemp.avg = (this.global.atemp.count * this.global.atemp.avg + other.global.atemp.count * other.global.atemp.avg) / Math.max(1, this.global.atemp.count + other.global.atemp.count);
|
|
this.global.atemp.count += other.global.atemp.count;
|
|
this.global.hr.avg = (this.global.hr.count * this.global.hr.avg + other.global.hr.count * other.global.hr.avg) / Math.max(1, this.global.hr.count + other.global.hr.count);
|
|
this.global.hr.count += other.global.hr.count;
|
|
this.global.cad.avg = (this.global.cad.count * this.global.cad.avg + other.global.cad.count * other.global.cad.avg) / Math.max(1, this.global.cad.count + other.global.cad.count);
|
|
this.global.cad.count += other.global.cad.count;
|
|
this.global.power.avg = (this.global.power.count * this.global.power.avg + other.global.power.count * other.global.power.avg) / Math.max(1, this.global.power.count + other.global.power.count);
|
|
this.global.power.count += other.global.power.count;
|
|
Object.keys(other.global.extensions).forEach((extension) => {
|
|
if (this.global.extensions[extension] === undefined) {
|
|
this.global.extensions[extension] = {};
|
|
}
|
|
Object.keys(other.global.extensions[extension]).forEach((value) => {
|
|
if (this.global.extensions[extension][value] === undefined) {
|
|
this.global.extensions[extension][value] = 0;
|
|
}
|
|
this.global.extensions[extension][value] += other.global.extensions[extension][value];
|
|
});
|
|
});
|
|
}
|
|
|
|
slice(start: number, end: number): GPXStatistics {
|
|
if (start < 0) {
|
|
start = 0;
|
|
} else if (start >= this.local.points.length) {
|
|
return new GPXStatistics();
|
|
}
|
|
if (end < start) {
|
|
return new GPXStatistics();
|
|
} else if (end >= this.local.points.length) {
|
|
end = this.local.points.length - 1;
|
|
}
|
|
|
|
let statistics = new GPXStatistics();
|
|
|
|
statistics.local.points = this.local.points.slice(start, end + 1);
|
|
|
|
statistics.global.distance.total = this.local.distance.total[end] - this.local.distance.total[start];
|
|
statistics.global.distance.moving = this.local.distance.moving[end] - this.local.distance.moving[start];
|
|
|
|
statistics.global.time.start = this.local.points[start].time;
|
|
statistics.global.time.end = this.local.points[end].time;
|
|
|
|
statistics.global.time.total = this.local.time.total[end] - this.local.time.total[start];
|
|
statistics.global.time.moving = this.local.time.moving[end] - this.local.time.moving[start];
|
|
|
|
statistics.global.speed.moving = statistics.global.time.moving > 0 ? statistics.global.distance.moving / (statistics.global.time.moving / 3600) : 0;
|
|
statistics.global.speed.total = statistics.global.time.total > 0 ? statistics.global.distance.total / (statistics.global.time.total / 3600) : 0;
|
|
|
|
statistics.global.elevation.gain = this.local.elevation.gain[end] - this.local.elevation.gain[start];
|
|
statistics.global.elevation.loss = this.local.elevation.loss[end] - this.local.elevation.loss[start];
|
|
|
|
statistics.global.bounds.southWest.lat = this.global.bounds.southWest.lat;
|
|
statistics.global.bounds.southWest.lon = this.global.bounds.southWest.lon;
|
|
statistics.global.bounds.northEast.lat = this.global.bounds.northEast.lat;
|
|
statistics.global.bounds.northEast.lon = this.global.bounds.northEast.lon;
|
|
|
|
statistics.global.atemp = this.global.atemp;
|
|
statistics.global.hr = this.global.hr;
|
|
statistics.global.cad = this.global.cad;
|
|
statistics.global.power = this.global.power;
|
|
|
|
return statistics;
|
|
}
|
|
}
|
|
|
|
const earthRadius = 6371008.8;
|
|
export function distance(coord1: TrackPoint | Coordinates, coord2: TrackPoint | Coordinates): number {
|
|
if (coord1 instanceof TrackPoint) {
|
|
coord1 = coord1.getCoordinates();
|
|
}
|
|
if (coord2 instanceof TrackPoint) {
|
|
coord2 = coord2.getCoordinates();
|
|
}
|
|
const rad = Math.PI / 180;
|
|
const lat1 = coord1.lat * rad;
|
|
const lat2 = coord2.lat * rad;
|
|
const a = Math.sin(lat1) * Math.sin(lat2) + Math.cos(lat1) * Math.cos(lat2) * Math.cos((coord2.lon - coord1.lon) * rad);
|
|
const maxMeters = earthRadius * Math.acos(Math.min(a, 1));
|
|
return maxMeters;
|
|
}
|
|
|
|
export function getElevationDistanceFunction(statistics: GPXStatistics) {
|
|
// x-coordinates are given by: statistics.local.distance.total[point._data.index] * 1000
|
|
// y-coordinates are given by: point.ele
|
|
// Compute the distance between point3 and the line defined by point1 and point2
|
|
return (point1: TrackPoint, point2: TrackPoint, point3: TrackPoint) => {
|
|
if (point1.ele === undefined || point2.ele === undefined || point3.ele === undefined) {
|
|
return 0;
|
|
}
|
|
let x1 = statistics.local.distance.total[point1._data.index] * 1000;
|
|
let x2 = statistics.local.distance.total[point2._data.index] * 1000;
|
|
let x3 = statistics.local.distance.total[point3._data.index] * 1000;
|
|
let y1 = point1.ele;
|
|
let y2 = point2.ele;
|
|
let y3 = point3.ele;
|
|
|
|
let dist = Math.sqrt(Math.pow(y2 - y1, 2) + Math.pow(x2 - x1, 2));
|
|
if (dist === 0) {
|
|
return Math.sqrt(Math.pow(x3 - x1, 2) + Math.pow(y3 - y1, 2));
|
|
}
|
|
|
|
return Math.abs((y2 - y1) * x3 - (x2 - x1) * y3 + x2 * y1 - y2 * x1) / dist;
|
|
}
|
|
}
|
|
|
|
function distanceWindowSmoothing(points: TrackPoint[], distanceWindow: number, accumulate: (index: number) => number, compute: (accumulated: number, start: number, end: number) => number, remove?: (index: number) => number): number[] {
|
|
let result = [];
|
|
|
|
let start = 0, end = 0, accumulated = 0;
|
|
for (var i = 0; i < points.length; i++) {
|
|
while (start + 1 < i && distance(points[start].getCoordinates(), points[i].getCoordinates()) > distanceWindow) {
|
|
if (remove) {
|
|
accumulated -= remove(start);
|
|
} else {
|
|
accumulated -= accumulate(start);
|
|
}
|
|
start++;
|
|
}
|
|
while (end < points.length && distance(points[i].getCoordinates(), points[end].getCoordinates()) <= distanceWindow) {
|
|
accumulated += accumulate(end);
|
|
end++;
|
|
}
|
|
result[i] = compute(accumulated, start, end - 1);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function distanceWindowSmoothingWithDistanceAccumulator(points: TrackPoint[], distanceWindow: number, compute: (accumulated: number, start: number, end: number) => number): number[] {
|
|
return distanceWindowSmoothing(points, distanceWindow, (index) => index > 0 ? distance(points[index - 1].getCoordinates(), points[index].getCoordinates()) : 0, compute, (index) => distance(points[index].getCoordinates(), points[index + 1].getCoordinates()));
|
|
}
|
|
|
|
function withTimestamps(points: TrackPoint[], speed: number, lastPoint: TrackPoint | undefined, startTime?: Date): TrackPoint[] {
|
|
let last = lastPoint;
|
|
if (last === undefined) {
|
|
last = points[0].clone();
|
|
last.time = startTime;
|
|
}
|
|
return points.map((point) => {
|
|
let time = getTimestamp(last, point, speed);
|
|
last = point.clone();
|
|
last.time = time;
|
|
return last;
|
|
});
|
|
}
|
|
|
|
function withShiftedAndCompressedTimestamps(points: TrackPoint[], speed: number, ratio: number, lastPoint: TrackPoint): TrackPoint[] {
|
|
let start = getTimestamp(lastPoint, points[0], speed);
|
|
let last = points[0];
|
|
return points.map((point) => {
|
|
let pt = point.clone();
|
|
if (point.time === undefined) {
|
|
pt.time = getTimestamp(last, point, speed);
|
|
} else {
|
|
pt.time = new Date(start.getTime() + ratio * (point.time.getTime() - points[0].time.getTime()));
|
|
}
|
|
last = pt;
|
|
return pt;
|
|
});
|
|
}
|
|
|
|
function withArtificialTimestamps(points: TrackPoint[], totalTime: number, lastPoint: TrackPoint | undefined, startTime: Date, slope: number[]): TrackPoint[] {
|
|
let weight = [];
|
|
let totalWeight = 0;
|
|
|
|
for (let i = 0; i < points.length - 1; i++) {
|
|
let dist = distance(points[i].getCoordinates(), points[i + 1].getCoordinates());
|
|
let w = dist * (0.5 + 1 / (1 + Math.exp(- 0.2 * slope[i])));
|
|
weight.push(w);
|
|
totalWeight += w;
|
|
}
|
|
|
|
let last = lastPoint;
|
|
return points.map((point, i) => {
|
|
let pt = point.clone();
|
|
if (i === 0) {
|
|
pt.time = lastPoint?.time ?? startTime;
|
|
} else {
|
|
pt.time = new Date(last.time.getTime() + totalTime * 1000 * weight[i - 1] / totalWeight);
|
|
}
|
|
last = pt;
|
|
return pt;
|
|
});
|
|
}
|
|
|
|
function getTimestamp(a: TrackPoint, b: TrackPoint, speed: number): Date {
|
|
let dist = distance(a.getCoordinates(), b.getCoordinates()) / 1000;
|
|
return new Date(a.time.getTime() + 1000 * 3600 * dist / speed);
|
|
}
|
|
|
|
function getOriginal(obj: any): any {
|
|
while (isDraft(obj)) {
|
|
obj = original(obj);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
export type MergedLineStyles = {
|
|
color: string[]
|
|
opacity: number[],
|
|
width: number[],
|
|
};
|
|
|
|
function convertRouteToTrack(route: RouteType): Track {
|
|
const track = new Track({
|
|
name: route.name,
|
|
cmt: route.cmt,
|
|
desc: route.desc,
|
|
src: route.src,
|
|
link: route.link,
|
|
type: route.type,
|
|
extensions: route.extensions,
|
|
trkseg: [],
|
|
});
|
|
|
|
if (route.rtept) {
|
|
const segment = new TrackSegment();
|
|
|
|
route.rtept.forEach((rpt) => {
|
|
if (rpt.extensions && rpt.extensions['gpxx:RoutePointExtension'] && rpt.extensions['gpxx:RoutePointExtension']["gpxx:rpt"]) {
|
|
rpt.extensions['gpxx:RoutePointExtension']["gpxx:rpt"].forEach((rptExtension) => {
|
|
segment.trkpt.push(new TrackPoint({
|
|
attributes: rptExtension.attributes,
|
|
}));
|
|
});
|
|
} else {
|
|
segment.trkpt.push(new TrackPoint({
|
|
attributes: rpt.attributes,
|
|
ele: rpt.ele,
|
|
time: rpt.time,
|
|
}));
|
|
}
|
|
});
|
|
|
|
track.trkseg.push(segment);
|
|
}
|
|
|
|
return track;
|
|
}
|