Hi,
I am on Ubuntu 16.04 with ROS Kinetic and trying to move the camera position in a 3D visualizer widget programmatically using librviz. I basically followed the provided [tutorial](http://docs.ros.org/indigo/api/librviz_tutorial/html/index.html) and came up with
manager_ = new rviz::VisualizationManager( render_panel_ );
render_panel_->initialize( manager_->getSceneManager(), manager_ );
manager_->initialize();
manager_->startUpdate();
controller_ = manager_->getViewManager()->getCurrent();
controller_->getCamera()->moveRelative(Ogre::Vector3(0, 0.1, 0));
Unfortunately, this does not do anything. Also `controller_->getCamera()->setPosition(...)` does not have any effect.
I can only see a change when I add a `controller_->getCamera()->lookAt(...)` to the code. This will result in the desired change of the position plus an in general unwanted change in orientation.
It seems like `moveRelative(...)` and `setPosition(...)` do not trigger an update of the view?! Is there a solution to make this work without the `lookAt(...)` or do I miss something important here?
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