225 lines
6.6 KiB
HTML
225 lines
6.6 KiB
HTML
<!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="A sample BIM dataset rendered with 3D Tiles."
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/>
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<meta name="cesium-sandcastle-labels" content="Showcases, 3D Tiles" />
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<title>Cesium Demo</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"></div>
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<script id="cesium_sandcastle_script">
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window.startup = async function (Cesium) {
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"use strict";
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//Sandcastle_Begin
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// Power Plant design model provided by Bentley Systems
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const viewer = new Cesium.Viewer("cesiumContainer");
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const scene = viewer.scene;
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viewer.clock.currentTime = Cesium.JulianDate.fromIso8601(
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"2022-08-01T00:00:00Z"
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);
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let selectedFeature;
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let picking = false;
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Sandcastle.addToggleButton("Per-feature selection", false, function (
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checked
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) {
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picking = checked;
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if (!picking) {
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unselectFeature(selectedFeature);
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}
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});
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function selectFeature(feature) {
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const element = feature.getProperty("element");
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setElementColor(element, Cesium.Color.YELLOW);
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selectedFeature = feature;
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}
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function unselectFeature(feature) {
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if (!Cesium.defined(feature)) {
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return;
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}
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const element = feature.getProperty("element");
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setElementColor(element, Cesium.Color.WHITE);
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if (feature === selectedFeature) {
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selectedFeature = undefined;
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}
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}
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const handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);
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handler.setInputAction(function (movement) {
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if (!picking) {
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return;
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}
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const feature = scene.pick(movement.endPosition);
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unselectFeature(selectedFeature);
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if (feature instanceof Cesium.Cesium3DTileFeature) {
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selectFeature(feature);
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}
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}, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
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// In this tileset every feature has an "element" property which is a global ID.
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// This property is used to associate features across different tiles and LODs.
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// Workaround until 3D Tiles has the concept of global batch ids: https://github.com/CesiumGS/3d-tiles/issues/265
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const elementMap = {}; // Build a map of elements to features.
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const hiddenElements = [
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112001,
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113180,
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131136,
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113167,
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71309,
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109652,
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111178,
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113156,
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113170,
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124846,
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114076,
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131122,
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113179,
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114325,
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131134,
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113164,
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113153,
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113179,
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109656,
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114095,
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114093,
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39225,
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39267,
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113149,
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113071,
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112003,
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39229,
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113160,
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39227,
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39234,
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113985,
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39230,
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112004,
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39223,
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];
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function getElement(feature) {
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return parseInt(feature.getProperty("element"), 10);
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}
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function setElementColor(element, color) {
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const featuresToColor = elementMap[element];
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const length = featuresToColor.length;
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for (let i = 0; i < length; ++i) {
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const feature = featuresToColor[i];
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feature.color = Cesium.Color.clone(color, feature.color);
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}
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}
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function unloadFeature(feature) {
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unselectFeature(feature);
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const element = getElement(feature);
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const features = elementMap[element];
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const index = features.indexOf(feature);
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if (index > -1) {
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features.splice(index, 1);
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}
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}
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function loadFeature(feature) {
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const element = getElement(feature);
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let features = elementMap[element];
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if (!Cesium.defined(features)) {
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features = [];
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elementMap[element] = features;
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}
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features.push(feature);
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if (hiddenElements.indexOf(element) > -1) {
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feature.show = false;
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}
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}
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function processContentFeatures(content, callback) {
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const featuresLength = content.featuresLength;
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for (let i = 0; i < featuresLength; ++i) {
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const feature = content.getFeature(i);
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callback(feature);
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}
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}
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function processTileFeatures(tile, callback) {
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const content = tile.content;
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const innerContents = content.innerContents;
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if (Cesium.defined(innerContents)) {
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const length = innerContents.length;
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for (let i = 0; i < length; ++i) {
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processContentFeatures(innerContents[i], callback);
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}
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} else {
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processContentFeatures(content, callback);
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}
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}
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try {
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const tileset = await Cesium.Cesium3DTileset.fromIonAssetId(2464651);
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scene.primitives.add(tileset);
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viewer.zoomTo(
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tileset,
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new Cesium.HeadingPitchRange(
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0.5,
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-0.2,
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tileset.boundingSphere.radius * 4.0
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)
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);
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tileset.colorBlendMode = Cesium.Cesium3DTileColorBlendMode.REPLACE;
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tileset.tileLoad.addEventListener(function (tile) {
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processTileFeatures(tile, loadFeature);
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});
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tileset.tileUnload.addEventListener(function (tile) {
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processTileFeatures(tile, unloadFeature);
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});
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} catch (error) {
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console.log(`Error loading tileset: ${error}`);
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} //Sandcastle_End
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};
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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window.startup(Cesium).catch((error) => {
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"use strict";
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console.error(error);
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});
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Sandcastle.finishedLoading();
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}
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</script>
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</body>
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</html>
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