ArcGIS API for JavaScript 4.X Camera类（史上最全)

require(["esri/Camera"], function(Camera) { /* code goes here */ });

• 关键代码

var cam = new Camera({
  heading: 90, // face due east
  tilt: 45, // looking from a bird's eye view
  position: {
    latitude: 38,
    longitude: -122,
    z: 20000,
    spatialReference: { wkid: 3857 }
  }
});

view.camera = cam;

联系方式
总结：仅用于3D模式，实例化时自定义参数即可。