function zoomTo() {
            map.beforeRender(
                ol.animation.pan({
                    source: map.getView().getCenter(),
                    duration: 150
                }),

                ol.animation.zoom({
                    resolution: map.getView().getResolution(),
                    duration: 500,
                    easing: ol.easing.easeIn
                 })
                );
                map.getView().fit(Houses1860b.getSource().getExtent(), map.getSize());

}