mirror of https://github.com/CesiumGS/cesium.git
200 lines
6.2 KiB
HTML
200 lines
6.2 KiB
HTML
<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
|
|
<meta
|
|
name="viewport"
|
|
content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
|
|
/>
|
|
<meta name="description" content="Exaggerate terrain." />
|
|
<meta name="cesium-sandcastle-labels" content="Showcases" />
|
|
<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);
|
|
#toolbar {
|
|
background: rgba(42, 42, 42, 0.8);
|
|
padding: 4px;
|
|
border-radius: 4px;
|
|
}
|
|
#toolbar input {
|
|
vertical-align: middle;
|
|
padding-top: 2px;
|
|
padding-bottom: 2px;
|
|
}
|
|
#toolbar .header {
|
|
font-weight: bold;
|
|
}
|
|
</style>
|
|
<div id="cesiumContainer" class="fullSize"></div>
|
|
<div id="loadingOverlay"><h1>Loading...</h1></div>
|
|
<div id="toolbar">
|
|
<table>
|
|
<tbody>
|
|
<tr>
|
|
<td>Exaggeration</td>
|
|
<td>
|
|
<input
|
|
type="range"
|
|
min="0"
|
|
max="10"
|
|
step="0.01"
|
|
data-bind="value: exaggeration, valueUpdate: 'input'"
|
|
/>
|
|
<input type="text" size="5" data-bind="value: exaggeration" />
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>Relative Height</td>
|
|
<td>
|
|
<input
|
|
type="range"
|
|
min="-1000"
|
|
max="9000"
|
|
step="1"
|
|
data-bind="value: relativeHeight, valueUpdate: 'input'"
|
|
/>
|
|
<input type="text" size="5" data-bind="value: relativeHeight" />
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</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(),
|
|
});
|
|
|
|
const scene = viewer.scene;
|
|
const globe = scene.globe;
|
|
scene.verticalExaggeration = 2.0;
|
|
scene.verticalExaggerationRelativeHeight = 2400.0;
|
|
|
|
scene.camera.setView({
|
|
destination: new Cesium.Cartesian3(
|
|
336567.0354790703,
|
|
5664688.047602498,
|
|
2923204.3566963132,
|
|
),
|
|
orientation: new Cesium.HeadingPitchRoll(
|
|
1.2273281382639265,
|
|
-0.32239612370237514,
|
|
0.0027207329018610338,
|
|
),
|
|
});
|
|
|
|
viewer.entities.add({
|
|
position: new Cesium.Cartesian3(
|
|
314557.3531714575,
|
|
5659723.771882165,
|
|
2923538.5417330978,
|
|
),
|
|
ellipsoid: {
|
|
radii: new Cesium.Cartesian3(400.0, 400.0, 400.0),
|
|
material: Cesium.Color.RED,
|
|
heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
|
|
},
|
|
});
|
|
|
|
let visualizeRelativeHeight = true;
|
|
|
|
function updateMaterial() {
|
|
if (visualizeRelativeHeight) {
|
|
const height = scene.verticalExaggerationRelativeHeight;
|
|
const exaggeration = scene.verticalExaggeration;
|
|
const alpha = Math.min(1.0, exaggeration * 0.25);
|
|
const layer = {
|
|
extendUpwards: true,
|
|
extendDownwards: true,
|
|
entries: [
|
|
{
|
|
height: height + 100.0,
|
|
color: new Cesium.Color(0.0, 1.0, 0.0, alpha * 0.25),
|
|
},
|
|
{
|
|
height: height + 50.0,
|
|
color: new Cesium.Color(1.0, 1.0, 1.0, alpha * 0.5),
|
|
},
|
|
{
|
|
height: height,
|
|
color: new Cesium.Color(1.0, 1.0, 1.0, alpha),
|
|
},
|
|
{
|
|
height: height - 50.0,
|
|
color: new Cesium.Color(1.0, 1.0, 1.0, alpha * 0.5),
|
|
},
|
|
{
|
|
height: height - 100.0,
|
|
color: new Cesium.Color(1.0, 0.0, 0.0, alpha * 0.25),
|
|
},
|
|
],
|
|
};
|
|
scene.globe.material = Cesium.createElevationBandMaterial({
|
|
scene: scene,
|
|
layers: [layer],
|
|
});
|
|
} else {
|
|
scene.globe.material = undefined;
|
|
}
|
|
}
|
|
updateMaterial();
|
|
|
|
const viewModel = {
|
|
exaggeration: scene.verticalExaggeration,
|
|
relativeHeight: scene.verticalExaggerationRelativeHeight,
|
|
};
|
|
|
|
function updateExaggeration() {
|
|
scene.verticalExaggeration = Number(viewModel.exaggeration);
|
|
scene.verticalExaggerationRelativeHeight = Number(viewModel.relativeHeight);
|
|
updateMaterial();
|
|
}
|
|
|
|
Cesium.knockout.track(viewModel);
|
|
const toolbar = document.getElementById("toolbar");
|
|
Cesium.knockout.applyBindings(viewModel, toolbar);
|
|
for (const name in viewModel) {
|
|
if (viewModel.hasOwnProperty(name)) {
|
|
Cesium.knockout.getObservable(viewModel, name).subscribe(updateExaggeration);
|
|
}
|
|
}
|
|
|
|
Sandcastle.addToggleButton(
|
|
"Visualize Relative Height",
|
|
visualizeRelativeHeight,
|
|
function (checked) {
|
|
visualizeRelativeHeight = checked;
|
|
updateMaterial();
|
|
},
|
|
);
|
|
|
|
Sandcastle.addToolbarButton("Remove Exaggeration", function () {
|
|
viewModel.exaggeration = 1.0;
|
|
viewModel.relativeHeight = 0.0;
|
|
});
|
|
//Sandcastle_End
|
|
};
|
|
if (typeof Cesium !== "undefined") {
|
|
window.startupCalled = true;
|
|
window.startup(Cesium).catch((error) => {
|
|
"use strict";
|
|
console.error(error);
|
|
});
|
|
Sandcastle.finishedLoading();
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|