Cesium bind mouse events and remove mouse events

1、 Bind mouse events

Method 1 ： Create an instance each time , Multiple can coexist and according to the name （ Variables such as ： Below handler） You can clear the specified event （ Recommended ）.

Method 2 ： Directly in viewer Add... To the instance , Clearing the event will pollute the whole viewer Instance and other mouse events in the current instance will be cleared （ It is suitable for one click to clear events on the map ）.

2、 Remove mouse events

Method 1 ：

handler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK)// Remove events 

Method 2 ：

viewer.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK);

3、Cesium Common event types  

Cesium.ScreenSpaceEventType.LEFT_CLICK // Left click event
Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK // Left mouse button double click event
Cesium.ScreenSpaceEventType.LEFT_DOWN // Left mouse button press event
Cesium.ScreenSpaceEventType.LEFT_UP // Left click mouse up event
Cesium.ScreenSpaceEventType.MIDDLE_CLICK // Medium key single machine
Cesium.ScreenSpaceEventType.MIDDLE_DOWN // Press the key
Cesium.ScreenSpaceEventType.MIDDLE_UP // Middle key lift
Cesium.ScreenSpaceEventType.MOUSE_MOVE // Mouse movement
Cesium.ScreenSpaceEventType.PINCH_END // Indicates the end of the two finger event on the touch surface .
Cesium.ScreenSpaceEventType.PINCH_MOVE // Two fingers move
Cesium.ScreenSpaceEventType.PINCH_START // Indicates the beginning of a two finger event on the touch surface .
Cesium.ScreenSpaceEventType.RIGHT_CLICK // Right click event
Cesium.ScreenSpaceEventType.RIGHT_DOWN  // Press the right mouse button
Cesium.ScreenSpaceEventType.RIGHT_UP    // Right click to lift up
Cesium.ScreenSpaceEventType.WHEEL // Mouse wheel events