Added GeometryTechinque to osgTerrain. Added usage of GeometryTechnique into osgterrain example

Added --width and --height command line options to osgdistortion to allow users
to control the window size.

src/osgWrappers/osgTerrain/GeometryTechnique.cpp

@@ -0,0 +1,61 @@
+// ***************************************************************************
+//
+//   Generated automatically by genwrapper.
+//   Please DO NOT EDIT this file!
+//
+// ***************************************************************************
+
+#include <osgIntrospection/ReflectionMacros>
+#include <osgIntrospection/TypedMethodInfo>
+#include <osgIntrospection/StaticMethodInfo>
+#include <osgIntrospection/Attributes>
+
+#include <osg/CopyOp>
+#include <osgTerrain/GeometryTechnique>
+#include <osgUtil/CullVisitor>
+#include <osgUtil/UpdateVisitor>
+
+// Must undefine IN and OUT macros defined in Windows headers
+#ifdef IN
+#undef IN
+#endif
+#ifdef OUT
+#undef OUT
+#endif
+
+BEGIN_OBJECT_REFLECTOR(osgTerrain::GeometryTechnique)
+	I_BaseType(osgTerrain::TerrainTechnique);
+	I_Constructor0(____GeometryTechnique,
+	               "",
+	               "");
+	I_ConstructorWithDefaults2(IN, const osgTerrain::GeometryTechnique &, x, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY,
+	                           ____GeometryTechnique__C5_GeometryTechnique_R1__C5_osg_CopyOp_R1,
+	                           "Copy constructor using CopyOp to manage deep vs shallow copy. ",
+	                           "");
+	I_Method0(void, initialize,
+	          Properties::VIRTUAL,
+	          __void__initialize,
+	          "",
+	          "");
+	I_Method1(void, update, IN, osgUtil::UpdateVisitor *, nv,
+	          Properties::VIRTUAL,
+	          __void__update__osgUtil_UpdateVisitor_P1,
+	          "",
+	          "");
+	I_Method1(void, cull, IN, osgUtil::CullVisitor *, nv,
+	          Properties::VIRTUAL,
+	          __void__cull__osgUtil_CullVisitor_P1,
+	          "",
+	          "");
+	I_Method0(void, cleanSceneGraph,
+	          Properties::VIRTUAL,
+	          __void__cleanSceneGraph,
+	          "Clean scene graph from any terrain technique specific nodes. ",
+	          "");
+	I_Method0(void, dirty,
+	          Properties::VIRTUAL,
+	          __void__dirty,
+	          "Dirty so that cached data structurese are updated. ",
+	          "");
+END_REFLECTOR
+