cesium/Apps/Sandcastle/gallery/3D Tiles Gaussian Splatting...

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HTML

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
<!-- Use Chrome Frame in IE -->
<meta
name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
/>
<meta
name="description"
content="View the same 3D Tiles power station dataset with Gaussian splatting (or Gaussian splats) rendering versus triangle-based mesh rendering."
/>
<meta name="cesium-sandcastle-labels" content="Showcases, 3D Tiles" />
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script
type="text/javascript"
src="../../../Build/CesiumUnminified/Cesium.js"
nomodule
></script>
<script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
@import url(../templates/bucket.css);
#slider {
position: absolute;
left: 50%;
top: 0px;
background-color: #d3d3d3;
width: 5px;
height: 100%;
z-index: 9999;
}
#slider:hover {
cursor: ew-resize;
}
.split-label {
position: absolute;
top: 50%;
transform: translateY(-50%);
background: rgba(42, 42, 42, 0.8);
padding: 8px;
border-radius: 4px;
z-index: 9999;
font-size: large;
font-weight: bold;
text-align: center;
}
.split-label.left {
left: 0;
}
.split-label.right {
right: 0;
}
</style>
<div id="cesiumContainer" class="fullSize">
<div id="slider"></div>
<div class="split-label left">3D Tiles<br />Gaussian splats</div>
<div class="split-label right">3D Tiles<br />Mesh</div>
</div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
window.startup = async function (Cesium) {
"use strict";
//Sandcastle_Begin
const viewer = new Cesium.Viewer("cesiumContainer", {
terrain: Cesium.Terrain.fromWorldTerrain(),
});
try {
const left = await Cesium.Cesium3DTileset.fromIonAssetId(3667784);
viewer.scene.primitives.add(left);
left.splitDirection = Cesium.SplitDirection.LEFT;
viewer.zoomTo(
left,
new Cesium.HeadingPitchRange(
Cesium.Math.toRadians(-50),
Cesium.Math.toRadians(-20),
100.0,
),
);
const right = await Cesium.Cesium3DTileset.fromIonAssetId(3443919);
viewer.scene.primitives.add(right);
right.splitDirection = Cesium.SplitDirection.RIGHT;
} catch (error) {
console.log(`Error loading tileset: ${error}`);
}
// Sync the position of the slider with the split position
const slider = document.getElementById("slider");
viewer.scene.splitPosition = slider.offsetLeft / slider.parentElement.offsetWidth;
const handler = new Cesium.ScreenSpaceEventHandler(slider);
let moveActive = false;
function move(movement) {
if (!moveActive) {
return;
}
const relativeOffset = movement.endPosition.x;
const splitPosition =
(slider.offsetLeft + relativeOffset) / slider.parentElement.offsetWidth;
slider.style.left = `${100.0 * splitPosition}%`;
viewer.scene.splitPosition = splitPosition;
}
handler.setInputAction(function () {
moveActive = true;
}, Cesium.ScreenSpaceEventType.LEFT_DOWN);
handler.setInputAction(function () {
moveActive = true;
}, Cesium.ScreenSpaceEventType.PINCH_START);
handler.setInputAction(move, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
handler.setInputAction(move, Cesium.ScreenSpaceEventType.PINCH_MOVE);
handler.setInputAction(function () {
moveActive = false;
}, Cesium.ScreenSpaceEventType.LEFT_UP);
handler.setInputAction(function () {
moveActive = false;
}, Cesium.ScreenSpaceEventType.PINCH_END);
//Sandcastle_End
};
if (typeof Cesium !== "undefined") {
window.startupCalled = true;
window.startup(Cesium).catch((error) => {
"use strict";
console.error(error);
});
Sandcastle.finishedLoading();
}
</script>
</body>
</html>