436 lines
12 KiB
JavaScript
436 lines
12 KiB
JavaScript
import maplibregl from "maplibre-gl";
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import proj4 from "proj4";
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import * as THREE from "three";
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console.log(THREE);
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proj4.defs(
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"EPSG:25832",
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"+proj=utm +zone=32 +ellps=GRS80 +units=m +no_defs"
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);
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const center = [9.209116842757239, 52.26520546238239]
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const map = new maplibregl.Map({
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container: 'map',
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style: "https://tiles.openfreemap.org/styles/bright",
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center: center,
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zoom: 17,
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maxZoom: 24,
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});
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map.addControl(
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new maplibregl.NavigationControl({
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visualizePitch: true,
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showZoom: true,
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showCompass: true
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})
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);
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// 2. Create an HTML element to display coordinates (e.g., <pre id="coordinates"></pre>)
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const coordinatesDiv = document.getElementById('coordinates');
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// 3. Listen for mouse movement
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map.on('mousemove', (e) => {
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// e.lngLat contains the longitude and latitude
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const lng = e.lngLat.lng.toFixed(5);
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const lat = e.lngLat.lat.toFixed(5);
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coordinatesDiv.innerHTML = `Lon: ${lng}° | Lat: ${lat}°`;
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});
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var pointBudget = document.getElementById("pointSlider").value;
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var pointSize = document.getElementById("pointSizeSlider").value;
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const elRenderArea=document.getElementById("potree_render_area");
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const viewer=new Potree.Viewer(elRenderArea, {noDragAndDrop:true});
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viewer.setEDLEnabled(false); // sieht realistischer aus
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viewer.setFOV(60);
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viewer.setPointBudget(pointBudget);
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viewer.setMinNodeSize(pointSize);
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viewer.setBackground("none");
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console.log(viewer.orbitControls);
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console.log(viewer.fpControls);
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console.log(viewer.deviceControls);
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viewer.orbitControls.enabled=false;
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viewer.fpControls.enabled=false;
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viewer.deviceControls.enabled=false;
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var quality = 'medium';
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// Dateipfade der Punktwolke
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// Funktion für aktuelle Pfade
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function getPointCloudFiles() {
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return {
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first: `http://ar2350.web-01.fbbgg.hs-woe.de/Punktwolken%20konvertiert%20potree%20Format/sp1_${quality}/metadata.json`,
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second: `http://ar2350.web-01.fbbgg.hs-woe.de/Punktwolken%20konvertiert%20potree%20Format/sp2_${quality}/metadata.json`,
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third: `http://ar2350.web-01.fbbgg.hs-woe.de/Punktwolken%20konvertiert%20potree%20Format/sp3_${quality}/metadata.json`,
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};
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}
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//Aktuelle Datei und Sichtbarkeit
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let currentPointCloud=null;
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let isVisible=true;
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function loadPointCloud(path){
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console.log("Laden aufgerufen")
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console.log("Pfad "+ path);
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// Vorherige Punktwolke entfernen
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if (currentPointCloud) {
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// Aus Potree-Liste entfernen
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const index = viewer.scene.pointclouds.indexOf(currentPointCloud);
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if (index !== -1) {
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viewer.scene.pointclouds.splice(index, 1);
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}
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// Aus Three.js Szene entfernen
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if (currentPointCloud.parent) {
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currentPointCloud.parent.remove(currentPointCloud);
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}
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currentPointCloud = null;
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viewer.render();
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}
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if(!path ||!isVisible) return;
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Potree.loadPointCloud(path, "punktwolke", function(e) {
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currentPointCloud=e.pointcloud;
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viewer.scene.addPointCloud(currentPointCloud);
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// View-Objekt inspizieren
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console.log("view:", viewer.scene.view);
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console.log("view.lookAt:", viewer.scene.view.lookAt);
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console.log("view.position:", viewer.scene.view.position);
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console.log("view keys:", Object.keys(viewer.scene.view));
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let material =currentPointCloud.material;
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material.size =1;
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material.pointSizeType=Potree.PointSizeType.ADAPTIVE;
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viewer.fitToScreen();
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setTimeout(() => syncCamera(), 500);
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});
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}
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function syncCamera() {
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if (!currentPointCloud) return;
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const center = map.getCenter();
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// -----------------------------------------
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// WGS84 -> ETRS89 / UTM32
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// -----------------------------------------
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const [x, y] = proj4(
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"EPSG:4326",
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"EPSG:25832",
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[center.lng, center.lat]
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);
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// -----------------------------------------
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// Map Parameter
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// -----------------------------------------
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const pitch = map.getPitch() * Math.PI / 180;
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const bearing = map.getBearing() * Math.PI / 180;
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const zoom = map.getZoom();
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// -----------------------------------------
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// Abstand abhängig vom Zoom
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// -----------------------------------------
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const earthCircumference = 40075016.686;
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const metersPerPixel = earthCircumference * Math.cos(center.lat * Math.PI / 180) / Math.pow(2, zoom + 8);
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const distance = metersPerPixel * (map.getCanvas().height/2);
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// -----------------------------------------
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// Zielpunkt = Kartenzentrum
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// -----------------------------------------
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const target = new THREE.Vector3(x, y, 0);
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// -----------------------------------------
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// Kameraoffset
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// -----------------------------------------
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const offset = new THREE.Vector3(0, -distance * Math.sin(pitch), distance * Math.cos(pitch)
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);
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// Bearing rotieren
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offset.applyAxisAngle(new THREE.Vector3(0, 0, 1), -bearing);
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// -----------------------------------------
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// Kameraposition
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// -----------------------------------------
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const cameraPosition = target.clone().add(offset);
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// -----------------------------------------
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// Potree Kamera setzen
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// -----------------------------------------
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viewer.scene.view.position.copy(cameraPosition);
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viewer.scene.view.lookAt(target);
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viewer.renderer.resetState();
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}
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// Kameras bei jeder Kartenbewegung synchronisieren
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map.on('move', syncCamera);
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map.on('zoom', syncCamera);
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map.on('pitch', syncCamera);
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map.on('rotate', syncCamera);
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// Hintergrundkarte ändern
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function changeBaseMap(newMap){
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var basemapStyle;
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switch(newMap){
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case "openfree_dark":
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basemapStyle = "https://tiles.openfreemap.org/styles/dark"
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break;
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case "openfree_bright":
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basemapStyle = "https://tiles.openfreemap.org/styles/bright"
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break;
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case "openfree_liberty":
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basemapStyle = "https://tiles.openfreemap.org/styles/liberty"
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break;
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case "google_satellite":
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basemapStyle = {
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version: 8,
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sources: {
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"raster-tiles": {
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type: "raster",
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tiles: [
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"https://api.maptiler.com/tiles/satellite-v2/{z}/{x}/{y}.jpg?key=6mG881AthmTTWyLvFyjH"
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],
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tileSize: 256,
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attribution: "© MapTiler",
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}
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},
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layers: [
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{
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id: "satellite-layer",
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type: "raster",
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source: "raster-tiles"
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}
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]
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}
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break;
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case "terrain":
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basemapStyle = {
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version: 8,
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sources: {
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topo: {
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type: 'raster',
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url: 'https://api.maptiler.com/maps/topo-v4/tiles.json?key=6mG881AthmTTWyLvFyjH',
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tileSize: 256,
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},
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// Use a different source for terrain and hillshade layers, to improve render quality
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terrainSource: {
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type: 'raster-dem',
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url: 'https://tiles.mapterhorn.com/tilejson.json',
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},
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hillshadeSource: {
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type: 'raster-dem',
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url: 'https://tiles.mapterhorn.com/tilejson.json'
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}
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},
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layers: [
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{
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id: 'topo',
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type: 'raster',
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source: 'topo'
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},
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{
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id: 'hills',
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type: 'hillshade',
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source: 'hillshadeSource',
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layout: {visibility: 'visible'},
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paint: {'hillshade-shadow-color': '#473B24'}
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}
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],
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terrain: {
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source: 'terrainSource',
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exaggeration: 1
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},
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sky: {}
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}
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break;
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case "satellite_terrain":
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basemapStyle = {
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version: 8,
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sources: {
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"raster-tiles": {
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type: "raster",
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tiles: [
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"https://api.maptiler.com/tiles/satellite-v2/{z}/{x}/{y}.jpg?key=6mG881AthmTTWyLvFyjH"
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],
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tileSize: 256,
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attribution: "© MapTiler",
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},
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// Use a different source for terrain and hillshade layers, to improve render quality
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terrainSource: {
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type: 'raster-dem',
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url: 'https://tiles.mapterhorn.com/tilejson.json',
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},
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hillshadeSource: {
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type: 'raster-dem',
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url: 'https://tiles.mapterhorn.com/tilejson.json'
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}
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},
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layers: [
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{
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id: 'raster-tiles',
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type: 'raster',
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source: 'raster-tiles'
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},
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{
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id: 'hills',
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type: 'hillshade',
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source: 'hillshadeSource',
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layout: {visibility: 'visible'},
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paint: {'hillshade-shadow-color': '#473B24'}
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}
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],
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terrain: {
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source: 'terrainSource',
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exaggeration: 1
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},
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sky: {}
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}
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}
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map.setStyle(basemapStyle);
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}
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const button = document.querySelector('#disable')
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button.addEventListener('click', () => {
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isVisible = !isVisible;
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if(currentPointCloud){
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currentPointCloud.visible = isVisible;
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}
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button.textContent = isVisible
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? "Punktwolke ausblenden"
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: "Punktwolke anzeigen";
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});
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// ausgewähltes Element im BaseMap DropDown Feld
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const selectElement = document.querySelector('select[name="basemap"]');
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selectElement.addEventListener('change', (event) => {
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changeBaseMap(event.target.value);
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});
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// ausgewähltes Element im Punktwolken DropDown Feld
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document.querySelector('select[name="pointcloud"]').addEventListener('change', (event) => {
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const pointCloudFiles = getPointCloudFiles();
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var pointcloud = pointCloudFiles[event.target.value];
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loadPointCloud(pointcloud);
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console.log(pointCloudFiles[event.target.value]);
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});
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// Auf Zentrum zurück zoomen
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document.getElementById("location").addEventListener("click", () => {
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map.flyTo({center, zoom: 17 })
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});
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var pointCountSlider = document.getElementById("pointSlider");
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var pointCountOutput = document.getElementById("pointSliderValue");
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pointCountOutput.innerHTML = "Dargestellte Punkte: " + Number(pointCountSlider.value).toLocaleString();
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pointCountSlider.oninput = function() {
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pointCountOutput.innerHTML = "Dargestellte Punkte: " + Number(this.value).toLocaleString('de-DE');;
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pointBudget = document.getElementById("pointSlider").value;
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viewer.setPointBudget(pointBudget);
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}
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var pointSizeSlider = document.getElementById("pointSizeSlider");
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pointSizeSlider.oninput = function() {
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pointSize = document.getElementById("pointSizeSlider").value;
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viewer.setMinNodeSize(pointSize);
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console.log(pointSize);
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}
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const closeButton = document.getElementById("closeSideBarButton");
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const sidebar = document.getElementById("sidebar");
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const openOuter = document.getElementById("openButtonOuter");
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if (closeButton) {
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closeButton.addEventListener("click", () => {
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const rect = closeButton.getBoundingClientRect();
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sidebar.style.display = "none";
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openOuter.innerHTML = "<button class='sideBarButtons' id='openSideBarButton' title='Menü ausklappen'>>></button>";
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const openButton = document.getElementById("openSideBarButton");
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openButton.style.top = `${rect.top + window.scrollY -2}px`;
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if (openButton) {
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openButton.addEventListener("click", () => {
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sidebar.style.display = "flex";
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openOuter.innerHTML = "";
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});
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}
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});
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}
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// Qualitätsbuttons aktivieren/deaktivieren
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const qualityButtons = document.querySelectorAll('.qualityButtons');
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qualityButtons.forEach(button => {
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button.addEventListener('click', () => {
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console.log(button.id);
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quality=button.id;
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if (currentPointCloud) {
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const pointCloudFiles = getPointCloudFiles();
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var pointCloudValue = document.getElementById("pointcloud").value
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var pointcloud = pointCloudFiles[pointCloudValue];
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loadPointCloud(pointcloud);
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}
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qualityButtons.forEach(btn => {
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btn.classList.remove('active');
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});
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button.classList.add('active');
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});
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});
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// Farbbuttons aktivieren/deaktivieren
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const colorButtons = document.querySelectorAll('.colorButtons');
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colorButtons.forEach(button => {
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button.addEventListener('click', () => {
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colorButtons.forEach(btn => {
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btn.classList.remove('active');
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});
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button.classList.add('active');
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});
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}); |