Cesium基础知识-相机视角

JavaScript代码

1. //创建一个3d地球,相机以一个角度运行到西安地区
2. function CameraPosition() {
3.     viewer = new Cesium.Viewer('cesiumContainer');
4.     var initialPosition = new Cesium.Cartesian3.fromDegrees(107.40, 33.42, 2631.082799425431);
5.     var initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(7.1077496389876024807, -31.987223091598949054, 0.025883251314954971306);
6.     var homeCameraView = {
7.         destination: initialPosition,
8.         orientation: {
9.             heading: initialOrientation.heading,
10.             pitch: initialOrientation.pitch,
11.             roll: initialOrientation.roll
12.         }
13.     };
14.     // Set the initial view
15.     viewer.scene.camera.setView(homeCameraView);
16. }
17. //CameraPosition();
19. //更新初始视角 FlyTo()调整home视角
20. function HomeButtonCameraPosition() {
21.     // Add some camera flight animation options
22.     viewer = new Cesium.Viewer('cesiumContainer');
23.     homeCameraView.duration = 2.0;
24.     homeCameraView.maximumHeight = 2000;
25.     homeCameraView.pitchAdjustHeight = 2000;
26.     homeCameraView.endTransform = Cesium.Matrix4.IDENTITY;
27.     // Override the default home button
28.     viewer.homeButton.viewModel.command.beforeExecute.addEventListener(function (e) {
29.         e.cancel = true;
30.         viewer.scene.camera.flyTo(homeCameraView);
31.     });;
32. }
33. //HomeButtonCameraPosition();