<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
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/>
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<meta
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name="description"
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content="How to export a subset of a CesiumJS scene as a KML/KMZ file."
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/>
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<meta name="cesium-sandcastle-labels" content="Showcases, DataSources" />
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<title>Export KML</title>
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<script type="text/javascript" src="../Sandcastle-header.js"></script>
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<script
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type="text/javascript"
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src="../../../Build/CesiumUnminified/Cesium.js"
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nomodule
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></script>
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<script type="module" src="../load-cesium-es6.js"></script>
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</head>
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<body
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class="sandcastle-loading"
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data-sandcastle-bucket="bucket-requirejs.html"
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>
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<style>
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@import url(../templates/bucket.css);
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</style>
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<div id="cesiumContainer" class="fullSize"></div>
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<div id="loadingOverlay"><h1>Loading...</h1></div>
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<div id="toolbar">
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<div id="propertiesMenu"></div>
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</div>
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<script id="cesium_sandcastle_script">
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function startup(Cesium) {
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"use strict";
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//Sandcastle_Begin
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var viewer = new Cesium.Viewer("cesiumContainer", {
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shouldAnimate: true,
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});
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var modelCzml = [
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{
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id: "document",
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name: "CZML Model",
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version: "1.0",
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},
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{
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id: "truck model",
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name: "Cesium Milk Truck",
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position: {
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cartographicDegrees: [-77, 37, 0],
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},
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model: {
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gltf:
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"../../SampleData/models/CesiumMilkTruck/CesiumMilkTruck.glb",
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},
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},
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];
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function downloadBlob(filename, blob) {
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if (window.navigator.msSaveOrOpenBlob) {
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window.navigator.msSaveBlob(blob, filename);
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} else {
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var elem = window.document.createElement("a");
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elem.href = window.URL.createObjectURL(blob);
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elem.download = filename;
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document.body.appendChild(elem);
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elem.click();
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document.body.removeChild(elem);
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}
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}
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function reset() {
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viewer.trackedEntity = undefined;
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viewer.dataSources.removeAll();
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}
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// We fetch the resources that will be embedded in the KMZ file.
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var daeModelPromise = Cesium.Resource.fetchBlob({
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url: "../../SampleData/models/CesiumMilkTruck/CesiumMilkTruck.dae",
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});
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var texturePromise = Cesium.Resource.fetchBlob({
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url: "../../SampleData/models/CesiumMilkTruck/CesiumMilkTruck.jpg",
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});
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// This callback allows us to set the URL of the model to use
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// a COLLADA version of the model instead of the glTF version.
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// It also lets us specify the files that will be embedded in the exported KMZ.
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function modelCallback(modelGraphics, time, externalFiles) {
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var resource = modelGraphics.uri.getValue(time);
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if (resource.url.indexOf("CesiumMilkTruck") !== -1) {
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externalFiles["model/CesiumMilkTruck.dae"] = daeModelPromise;
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externalFiles["model/CesiumMilkTruck.jpg"] = texturePromise;
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return "model/CesiumMilkTruck.dae";
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}
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throw Cesium.RuntimeError("Unknown Model");
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}
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var filenameToSave = "";
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var dataSourcePromise;
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Sandcastle.addToolbarMenu(
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[
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{
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text: "Satellites",
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onselect: function () {
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reset();
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filenameToSave = "Satellites.kmz";
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dataSourcePromise = Cesium.CzmlDataSource.load(
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"../../SampleData/simple.czml"
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);
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viewer.dataSources.add(dataSourcePromise);
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viewer.camera.flyHome(0);
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},
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},
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{
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text: "Model",
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onselect: function () {
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reset();
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filenameToSave = "Model.kmz";
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dataSourcePromise = Cesium.CzmlDataSource.load(modelCzml);
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viewer.dataSources
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.add(dataSourcePromise)
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.then(function (dataSource) {
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viewer.trackedEntity = dataSource.entities.getById(
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"truck model"
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);
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});
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},
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},
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],
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"propertiesMenu"
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);
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Sandcastle.addToolbarButton("Download", function () {
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dataSourcePromise
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.then(function (dataSource) {
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return Cesium.exportKml({
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entities: dataSource.entities,
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kmz: true,
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modelCallback: modelCallback,
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});
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})
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.then(function (result) {
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downloadBlob(filenameToSave, result.kmz);
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})
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.otherwise(console.error);
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});
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//Sandcastle_End
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Sandcastle.finishedLoading();
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}
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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startup(Cesium);
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}
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</script>
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</body>
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</html>
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