From Mike Garrity, "There was an on again/off again thread on OSG users about

creating subclasses of osg::Array that referenced data
stored an application's internal data structures. I took
a stab at implementing that and ran into a couple of
downcasts in Geometry.cpp. Enclosed is my take at fixing
those along with a simple example of how to do this."

examples/osgsharedarray/CMakeLists.txt

@@ -0,0 +1,7 @@
+#this file is automatically generated 
+
+
+SET(TARGET_SRC osgsharedarray.cpp )
+SET(TARGET_EXTERNAL_LIBRARIES ${OPENGL_LIBRARIES} )
+#### end var setup  ###
+SETUP_EXAMPLE(osgsharedarray)