Parameters
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";
function bindToggle(id, onChange) {
const element = document.getElementById(id);
if (!(element instanceof HTMLInputElement)) {
throw new Error(
"invalid binding element: expected HTMLButtonElement, got: " +
element.constructor.name,
);
}
element.oninput = function oninput() {
onChange(element.checked);
};
const callback = (v) => {
element.checked = v;
onChange(element.checked);
};
return [callback, element.checked, element];
}
function bindSlider(id, onChange) {
const element = document.getElementById(id);
if (!(element instanceof HTMLInputElement)) {
throw new Error(
"invalid binding element: expected HTMLInputElement, got: " +
element.constructor.name,
);
}
element.oninput = function oninput() {
onChange(element.valueAsNumber);
};
const setValue = (v) => {
element.valueAsNumber = v;
onChange(element.valueAsNumber);
};
const initialValue = element.valueAsNumber;
return [setValue, initialValue, element];
}
function updateLabel(id, text) {
const element = document.getElementById(id);
if (!(element instanceof HTMLLabelElement)) {
throw new Error(
"invalid binding element: expected HTMLLabelElement, got: " +
element.constructor.name,
);
}
element.innerText = text;
}
const source = new PotreeSource(
"https://3d.oslandia.com/potree/pointclouds/lion_takanawa",
);
const instance = new Instance({
target: "view",
crs: "EPSG:3857",
backgroundColor: null,
});
function placeCamera() {
const camera = instance.view.camera;
const pos = new Vector3(7.5, -9.14, 9.1);
const lookAt = new Vector3(0.5, 0, 4.3);
const controls = new OrbitControls(camera, instance.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;
camera.position.copy(pos);
camera.lookAt(lookAt);
controls.target.copy(lookAt);
instance.view.setControls(controls);
instance.notifyChange(instance.view.camera);
Inspector.attach("inspector", instance);
}
const potree = new PotreePointCloud(source);
instance.add(potree).then(placeCamera).catch(console.error);
const renderingOptions = instance.renderingOptions;
renderingOptions.enableEDL = true;
renderingOptions.enableInpainting = true;
renderingOptions.inpaintingSteps = 1;
renderingOptions.enablePointCloudOcclusion = true;
bindToggle("edl", (v) => {
renderingOptions.enableEDL = v;
instance.notifyChange();
});
bindToggle("inpainting", (v) => {
renderingOptions.enableInpainting = v;
instance.notifyChange();
});
bindSlider("size", (v) => {
potree.pointSize = v;
updateLabel("size-label", "Point size: " + (v > 0 ? v.toString() : "auto"));
instance.notifyChange(potree);
});
<!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/latest/css/example.css"
/>
<style>
#view canvas {
background: rgb(132, 170, 182);
background: radial-gradient(
circle,
rgba(132, 170, 182, 1) 0%,
rgba(37, 44, 48, 1) 100%
);
}
</style>
</head>
<body>
<div id="view" class="m-0 p-0 w-100 h-100"></div>
<div
id="inspector"
class="position-absolute top-0 start-0 mh-100 overflow-auto"
></div>
<div class="side-pane-with-status-bar">
<div class="card">
<div class="card-header">Parameters</div>
<div class="card-body">
<!-- EDL toggle -->
<div class="form-check form-switch">
<input
class="form-check-input"
type="checkbox"
checked="true"
role="switch"
id="edl"
autocomplete="off"
/>
<label class="form-check-label" for="edl">Eye dome lighting</label>
</div>
<!-- Inpainting toggle -->
<div class="form-check form-switch">
<input
class="form-check-input"
type="checkbox"
checked="true"
role="switch"
id="inpainting"
autocomplete="off"
/>
<label class="form-check-label" for="inpainting">Inpainting</label>
</div>
<!-- Point size slider -->
<div class="row mt-2">
<div class="col-auto">
<label
for="size"
style="width: 8rem"
id="size-label"
class="form-label"
>Point size: 4</label
>
</div>
<div class="col">
<input
type="range"
min="0"
max="20"
step="1"
value="4"
class="form-range"
id="size"
autocomplete="off"
/>
</div>
</div>
</div>
</div>
</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": "0.39.0"
},
"devDependencies": {
"vite": "^3.2.3"
},
"scripts": {
"start": "vite",
"build": "vite build"
}
}