Display a Potree point cloud.
import { Vector3 } from 'three';
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';
import Instance from '@giro3d/giro3d/core/Instance.js';
import PotreePointCloud from '@giro3d/giro3d/entities/PotreePointCloud.js';
import Inspector from '@giro3d/giro3d/gui/Inspector.js';
import PotreeSource from '@giro3d/giro3d/sources/PotreeSource.js';
const viewerDiv = document.getElementById('viewerDiv');
const source = new PotreeSource(
'https://3d.oslandia.com/potree/pointclouds/lion_takanawa',
'cloud.js',
);
const potree = new PotreePointCloud('potree', source);
const instance = new Instance(viewerDiv, { crs: 'EPSG:3857', renderer: { clearColor: 'bisque' } });
function placeCamera() {
const camera = instance.camera.camera3D;
// create controls
const controls = new OrbitControls(camera, instance.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;
const pos = new Vector3(6.757520397934977, -10.102934086721376, 7.402449241148831);
const lookAt = new Vector3(0.5, 0.5, 5);
camera.lookAt(lookAt);
controls.target.copy(lookAt);
camera.position.copy(pos);
instance.useTHREEControls(controls);
}
instance.add(potree).then(placeCamera);
instance.notifyChange(instance.camera.camera3D);
Inspector.attach(document.getElementById('panelDiv'), instance);
instance.domElement.addEventListener('dblclick', e => {
console.log(instance.pickObjectsAt(e, { radius: 5, limit: 10 }));
});
<!doctype html>
<html lang="en">
<head>
<title>Potree Point Cloud</title>
<meta charset="UTF-8" />
<meta name="name" content="potree_pointcloud" />
<meta name="description" content="Display a Potree point cloud." />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="icon" href="https://giro3d.org/images/favicon.svg" />
<link href="https://giro3d.org/assets/bootstrap-custom.css" rel="stylesheet" />
<script src="https://giro3d.org/assets/bootstrap.bundle.min.js"></script>
<link
rel="stylesheet"
type="text/css"
href="https://giro3d.org/next/css/example.css"
/>
</head>
<body>
<div id="viewerDiv" class="m-0 p-0 w-100 h-100"></div>
<div id="panelDiv" class="position-absolute top-0 start-0 mh-100 overflow-auto"></div>
<script type="module" src="index.js"></script>
<script>
/* activate popovers */
const popoverTriggerList = [].slice.call(
document.querySelectorAll('[data-bs-toggle="popover"]'),
);
popoverTriggerList.map(
// bootstrap is used as script in the template, disable warning about undef
// eslint-disable-next-line no-undef
popoverTriggerEl =>
new bootstrap.Popover(popoverTriggerEl, {
trigger: 'hover',
placement: 'left',
content: document.getElementById(
popoverTriggerEl.getAttribute('data-bs-content'),
).innerHTML,
html: true,
}),
);
</script>
</body>
</html>
{
"name": "potree_pointcloud",
"dependencies": {
"@giro3d/giro3d": "git+https://gitlab.com/giro3d/giro3d.git"
},
"devDependencies": {
"vite": "^3.2.3"
},
"scripts": {
"start": "vite",
"build": "vite build"
}
}