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| const clockViewModel = new Cesium.ClockViewModel(); const options3D = { geocoder: false, homeButton: false, sceneModePicker: false, navigationHelpButton: false, navigationInstructionsInitiallyVisible: false, animation: false, timeline: false, fullscreenButton: false, skyBox: false, shouldAnimate: true, baseLayerPicker: false, shadows: true, clockViewModel: clockViewModel, };
const options2D = { geocoder: false, homeButton: false, sceneModePicker: false, navigationHelpButton: false, navigationInstructionsInitiallyVisible: false, animation: false, timeline: false, fullscreenButton: false, skyBox: false, shouldAnimate: true, baseLayerPicker: false, shadows: true, infoBox: false, sceneMode: Cesium.SceneMode.SCENE2D, clockViewModel: clockViewModel, };
const view3D = new Cesium.Viewer("view3D", options3D); view3D.cesiumWidget.creditContainer.style.display = "none"; const view2D = new Cesium.Viewer("view2D", options2D); view2D.cesiumWidget.creditContainer.style.display = "none";
let worldPosition; let distance;
function sync2DView() { const viewCenter = new Cesium.Cartesian2( Math.floor(view3D.canvas.clientWidth / 2), Math.floor(view3D.canvas.clientHeight / 2) ); const newWorldPosition = view3D.scene.camera.pickEllipsoid(viewCenter); if (Cesium.defined(newWorldPosition)) { worldPosition = newWorldPosition; } distance = Cesium.Cartesian3.distance( worldPosition, view3D.scene.camera.positionWC );
view2D.scene.camera.lookAt( worldPosition, new Cesium.Cartesian3(0.0, 0.0, distance) ); }
view3D.camera.changed.addEventListener(sync2DView);
view3D.camera.percentageChanged = 0.01;
view2D.scene.screenSpaceCameraController.enableRotate = false; view2D.scene.screenSpaceCameraController.enableTranslate = false; view2D.scene.screenSpaceCameraController.enableZoom = false; view2D.scene.screenSpaceCameraController.enableTilt = false; view2D.scene.screenSpaceCameraController.enableLook = false;
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