+class FGPrecipitationMgr : public SGSubsystem
+{
+private:
+ osg::ref_ptr<osg::Group> group;
+ osg::ref_ptr<osg::MatrixTransform> transform;
+ osg::ref_ptr<SGPrecipitation> precipitation;
+ float getPrecipitationAtAltitudeMax(void);
+ simgear::TiedPropertyList _tiedProperties;