Perform zoom functionality on click of button in cesium 2d map

CesiumJS
1

Perform zoom functionality on click of button in cesium 2d map

2

You can create a mouse event listener and then use the camera’s zoomIn function:

var handler = new Cesium.ScreenSpaceEventHandler(viewer.canvas);

handler.setInputAction(function(movement) {

viewer.camera.zoomIn(100.0);

}, Cesium.ScreenSpaceEventType.LEFT_CLICK);

``

Have you tried that?