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

handler.setInputAction(function(click) {

    var alertText = '';

    function addToMessage(key, value) {

        alertText += key + ': ' + value + '\n';

    }

​

    var pickedObject = scene.pick(click.position);

    if (Cesium.defined(pickedObject) && (pickedObject.id === entity)) {

        addToMessage('target', pickedObject.id.id);

        var position = viewer.camera.pickEllipsoid(click.position);

        addToMessage('screenX', click.position.x);

        addToMessage('screenY', click.position.y);

        addToMessage('didHitGlobe', Cesium.defined(position));

        var cartographicPosition = Cesium.Ellipsoid.WGS84.cartesianToCartographic(position);

        addToMessage('longitude', Cesium.Math.toDegrees(cartographicPosition.longitude));

        addToMessage('latitude', Cesium.Math.toDegrees(cartographicPosition.latitude));

        terrainSamplePositions = [cartographicPosition];

        Cesium.sampleTerrain(viewer.terrainProvider, 9, terrainSamplePositions).then(function() {

            addToMessage('height', terrainSamplePositions[0].height);

        }).always(function() {

            alert(alertText);

        });

    }

}, Cesium.ScreenSpaceEventType.LEFT_CLICK);

google.earth.addEventListener(placemark, 'click', function(event) {

    var text = 'Click:';

​

    function addToMessage(append1, append2) {

        text += ' ' + append1 + ': ' + append2 + '\n';

    }

​

    addToMessage('target type', event.getTarget().getType());

    addToMessage('currentTarget type', event.getCurrentTarget().getType());

    addToMessage('button', event.getButton());

    addToMessage('clientX', event.getClientX());

    addToMessage('clientY', event.getClientY());

    addToMessage('screenX', event.getScreenX());

    addToMessage('screenY', event.getScreenY());

    addToMessage('latitude', event.getLatitude());

    addToMessage('longitude', event.getLongitude());

    addToMessage('altitude', event.getAltitude());

    addToMessage('didHitGlobe', event.getDidHitGlobe());

    addToMessage('altKey', event.getAltKey());

    addToMessage('ctrlKey', event.getCtrlKey());

    addToMessage('shiftKey', event.getShiftKey());

    addToMessage('timeStamp', event.getTimeStamp());

​

    // Prevent default balloon from popping up for marker placemarks

    event.preventDefault();

​

    // wrap alerts in API callbacks and event handlers

    // in a setTimeout to prevent deadlock in some browsers

    setTimeout(function() {

        alert(text);

    }, 0);

});