render = {
var actor = vtk.Rendering.Core.vtkActor.newInstance();
var mapper = vtk.Rendering.Core.vtkMapper.newInstance();
actor.setMapper(mapper);
mapper.setInputConnection(cone.getOutputPort());
var renderer = fullScreenRenderer.getRenderer();
renderer.addActor(actor);
renderer.resetCamera();
return fullScreenRenderer.getRenderWindow().render;
}