gwaldron/osgearth — pull request #167 by ramdroid (2012-06-28 14:14:31+00:00)
Title: ElevationDragger

Added a new dragger derived from osgEarth::Dragger.

When the object is dragged while a configured modkey is pressed then the object will only move in z direction. When the modkey is not pressed then the objected is being dragged in x/y as usual.