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adds route editing

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This commit is contained in:
Christian Beutel
2024-04-22 22:37:13 +02:00
parent 9af7ddeffd
commit 8d7ed16904
19 changed files with 744 additions and 132 deletions
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79
web/src/lib/util/gpx_util.ts
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@@ -1,8 +1,8 @@
import GPX from "$lib/models/gpx/gpx";
import { Trail } from "$lib/models/trail";
import { Waypoint } from "$lib/models/waypoint";
import { kml, tcx } from "$lib/vendor/toGeoJSON/toGeoJSON"
import GeoJsonToGpx from "$lib/vendor/geoJSONToGPX"
import { browser } from "$app/environment";
import GeoJsonToGpx from "$lib/vendor/geoJSONToGPX";
import { kml, tcx } from "$lib/vendor/toGeoJSON/toGeoJSON";
function calculateDistance(lat1: number, lon1: number, lat2: number, lon2: number): number {
const R = 6371; // Radius of the Earth in km
@@ -17,38 +17,23 @@ function calculateDistance(lat1: number, lon1: number, lat2: number, lon2: numbe
return distance;
}
export async function gpx2trail(gpx: string) {
let xml;
if (browser) {
const parser = new DOMParser();
xml = parser.parseFromString(gpx, "application/xml")
} else {
const JSDOM = (await import("jsdom")).JSDOM
xml = new JSDOM(gpx).window.document
export async function gpx2trail(gpxString: string) {
const gpx = await GPX.parse(gpxString);
if (gpx instanceof Error) {
throw gpx;
}
const trail = new Trail("");
let name = xml.getElementsByTagName('name');
if (name.length > 0) {
trail.name = name[0].textContent ?? "";
}
let desc = xml.getElementsByTagName('desc');
if (desc.length > 0) {
trail.description = desc[0].textContent ?? "";
}
trail.name = gpx.metadata?.name ?? "";
const el = xml.getElementsByTagName('wpt');
const elLength = el.length
for (let i = 0; i < elLength; i++) {
const wp = new Waypoint(parseFloat(el[i].getAttribute('lat')!), parseFloat(el[i].getAttribute('lon')!));
let nameEl = el[i].getElementsByTagName('name');
wp.name = nameEl.length > 0 ? nameEl[0].textContent ?? "" : '';
let descEl = el[i].getElementsByTagName('desc');
wp.description = descEl.length > 0 ? descEl[0].textContent ?? "" : '';
trail.description = gpx.metadata?.desc;
for (const wpt of gpx.wpt ?? []) {
const wp = new Waypoint(wpt.$.lat ?? 0, wpt.$.lon ?? 0);
wp.name = wp.name
wp.description = wp.description;
trail.expand.waypoints.push(wp);
}
@@ -56,17 +41,13 @@ export async function gpx2trail(gpx: string) {
let totalDuration = 0;
let totalDistance = 0;
const tracks = xml.getElementsByTagName("trk")
for (const track of tracks) {
const segments = track.getElementsByTagName("trkseg")
for (const segment of segments) {
const points = segment.getElementsByTagName("trkpt")
for (const track of gpx.trk ?? []) {
for (const segment of track.trkseg ?? []) {
const points = segment.trkpt ?? [];
if (points.length >= 2) {
const startTimeString = points[0].querySelector('time')?.textContent;
const startTime = startTimeString ? new Date(startTimeString) : undefined;
const endTimeString = points[points.length - 1].querySelector('time')?.textContent;
const endTime = endTimeString ? new Date(endTimeString) : undefined;
const startTime = points[0].time;
const endTime = points[points.length - 1].time
if (startTime && endTime) {
totalDuration += endTime.getTime() - startTime.getTime();
@@ -79,30 +60,30 @@ export async function gpx2trail(gpx: string) {
const pointLength = points.length
for (let i = 1; i < pointLength; i++) {
const elevation = parseFloat(points[i].querySelector('ele')?.textContent || '0')
const previousElevation = parseFloat(points[i - 1].querySelector('ele')?.textContent || '0')
const prevPoint = points[i - 1];
const point = points[i];
const elevation = point.ele ?? 0
const previousElevation = prevPoint.ele ?? 0
const elevationDiff = elevation - previousElevation;
if (elevationDiff > 0) {
totalElevationGain += elevationDiff;
}
const prevPoint = points[i - 1];
const point = points[i];
const distance = calculateDistance(
parseFloat(prevPoint.getAttribute("lat") || '0'),
parseFloat(prevPoint.getAttribute("lon") || '0'),
parseFloat(point.getAttribute("lat") || '0'),
parseFloat(point.getAttribute("lon") || '0')
prevPoint.$.lat ?? 0,
prevPoint.$.lon ?? 0,
point.$.lat ?? 0,
point.$.lon ?? 0,
);
totalDistance += distance;
}
}
}
const startPoint = xml.getElementsByTagName("trk")[0].getElementsByTagName("trkseg")[0].getElementsByTagName("trkpt")[0];
const startPoint = gpx.trk?.at(0)?.trkseg?.at(0)?.trkpt?.at(0);
if (startPoint) {
trail.lat = parseFloat(startPoint.getAttribute('lat')!)
trail.lon = parseFloat(startPoint.getAttribute('lon')!)
trail.lat = startPoint.$.lat
trail.lon = startPoint.$.lon
}
trail.duration = totalDuration / 1000 / 60