Time Dynamic Point Cloud.html

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    <meta
      name="description"
      content="Render a time dynamic point cloud from a set of Point Cloud tiles and timestamps."
    />
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    <title>Cesium Demo</title>
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      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin
        var viewer = new Cesium.Viewer("cesiumContainer", {
          shouldAnimate: true,
        });

        var dates = [
          "2018-07-19T15:18:00Z",
          "2018-07-19T15:18:00.5Z",
          "2018-07-19T15:18:01Z",
          "2018-07-19T15:18:01.5Z",
          "2018-07-19T15:18:02Z",
          "2018-07-19T15:18:02.5Z",
        ];

        var uris = [
          "../../SampleData/Cesium3DTiles/PointCloud/PointCloudTimeDynamic/0.pnts",
          "../../SampleData/Cesium3DTiles/PointCloud/PointCloudTimeDynamic/1.pnts",
          "../../SampleData/Cesium3DTiles/PointCloud/PointCloudTimeDynamic/2.pnts",
          "../../SampleData/Cesium3DTiles/PointCloud/PointCloudTimeDynamic/3.pnts",
          "../../SampleData/Cesium3DTiles/PointCloud/PointCloudTimeDynamic/4.pnts",
        ];

        function dataCallback(interval, index) {
          return {
            uri: uris[index],
          };
        }

        var timeIntervalCollection = Cesium.TimeIntervalCollection.fromIso8601DateArray(
          {
            iso8601Dates: dates,
            dataCallback: dataCallback,
          }
        );

        var pointCloud = new Cesium.TimeDynamicPointCloud({
          intervals: timeIntervalCollection,
          clock: viewer.clock,
          style: new Cesium.Cesium3DTileStyle({
            pointSize: 5,
          }),
        });
        viewer.scene.primitives.add(pointCloud);

        var start = Cesium.JulianDate.fromIso8601(dates[0]);
        var stop = Cesium.JulianDate.fromIso8601(dates[dates.length - 1]);

        viewer.timeline.zoomTo(start, stop);

        var clock = viewer.clock;
        clock.startTime = start;
        clock.currentTime = start;
        clock.stopTime = stop;
        clock.clockRange = Cesium.ClockRange.LOOP_STOP;

        viewer.zoomTo(
          pointCloud,
          new Cesium.HeadingPitchRange(0.0, -0.5, 50.0)
        );
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      }
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