if ((document.fullScreenElement !== undefined && document.fullScreenElement === null) || (document.msFullscreenElement !== undefined && document.msFullscreenElement === null) || (document.mozFullScreen !== undefined && !document.mozFullScreen) || (document.webkitIsFullScreen !== undefined && !document.webkitIsFullScreen)) {
            if (elem.requestFullScreen) {
                elem.requestFullScreen();
            } else if (elem.mozRequestFullScreen) {
                elem.mozRequestFullScreen();
            } else if (elem.webkitRequestFullScreen) {
                elem.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
            } else if (elem.msRequestFullscreen) {
                elem.msRequestFullscreen();
            }
        } else {
            if (document.cancelFullScreen) {
                document.cancelFullScreen();
            } else if (document.mozCancelFullScreen) {
                document.mozCancelFullScreen();
            } else if (document.webkitCancelFullScreen) {
                document.webkitCancelFullScreen();
            } else if (document.msExitFullscreen) {
                document.msExitFullscreen();
            }
        }

orthgraphicTrackballControls.handleResize();
windowResize();

renderer.setSize(webglInstance.renderer.domElement.offsetWidth,renderer.domElement.offsetHeight);
       camera.aspect = container.offsetWidth / container.offsetHeight;
       camera.updateProjectionMatrix();

        //For fitting the object to the screen when using orthographic camera
        if (settingsModel.get("initialViewType") === "parallel") {
           camera.left = renderer.domElement.offsetWidth / -2;
           camera.right = renderer.domElement.offsetWidth / 2;
           camera.top = renderer.domElement.offsetHeight / 2;
           camera.bottom = renderer.domElement.offsetHeight / -2;
           camera.updateProjectionMatrix();
        }

orthgraphicTrackballControls.update()