Set the CullSettings::InhertianceMask to 0x0 as temporary measure till we

work out the best scheme to use w.r.t inhertiance of CullSettins.

src/osgShadow/ShadowMap.cpp

@@ -182,6 +182,8 @@ void ShadowMap::init()
         // create the camera
         _camera = new osg::Camera;
 
+        _camera->setInheritanceMask(0x0);
+        
         _camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF_INHERIT_VIEWPOINT);
 
         _camera->setCullCallback(new CameraCullCallback(this));
@@ -549,6 +551,8 @@ osg::ref_ptr<osg::Camera> ShadowMap::makeDebugHUD()
 
     osg::ref_ptr<osg::Camera> camera = new osg::Camera;
 
+    camera->setInheritanceMask(0x0);
+
     osg::Vec2 size(1280, 1024);
     // set the projection matrix
     camera->setProjectionMatrix(osg::Matrix::ortho2D(0,size.x(),0,size.y()));