troller (See <a class="el" href="class_b_a_point_cloud_renderer_1_1_cloud_controller_1_1_point_cloud_loader.html" title="Use this script to load a single PointCloud from a directory. ">PointCloudLoader</a>). This should be done in the start-method of the pc-controller and is neccessary for the bounding-box-recalculation. The whole cloud will be moved and rendered as soon as for every registererd controller the bounding box was given via UpdateBoundingBox. Should be called only once for every controller  <a 