Added ProxyLayer support into osgTerrain plugin

include/osgTerrain/Layer

@@ -300,7 +300,7 @@ class OSGTERRAIN_EXPORT ProxyLayer : public Layer
 
     protected:
 
-        virtual ~ProxyLayer() {}
+        virtual ~ProxyLayer();
 
 
 };

src/osgPlugins/gdal/ReaderWriterGDAL.cpp

@@ -46,15 +46,13 @@ class ReaderWriterGDAL : public osgDB::ReaderWriter
 
             OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_serializerMutex);
 
-            osg::notify(osg::NOTICE) << "GDALPlugin : " << file << std::endl;
-
             std::string fileName = osgDB::findDataFile( file, options );
             if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
 
             initGDAL();
 
             // open a DataSetLayer.
-            osg::ref_ptr<GDALPlugin::DataSetLayer> dataset = new GDALPlugin::DataSetLayer;
+            osg::ref_ptr<GDALPlugin::DataSetLayer> dataset = new GDALPlugin::DataSetLayer(fileName);
             
             if (dataset->valid()) return dataset.release();
             

src/osgPlugins/osgTerrain/Terrain.cpp

@@ -63,6 +63,23 @@ osgTerrain::Layer* readLayer(osgDB::Input& fr)
 
         }
 
+        if (fr.matchSequence("ProxyLayer %w") || fr.matchSequence("ProxyLayer %w"))
+        {
+            osg::ref_ptr<osg::Object> image = osgDB::readObjectFile(std::string(fr[1].getStr())+".gdal");
+            osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<osgTerrain::ProxyLayer*>(image.get());
+            if (proxyLayer)
+            {
+                layer = proxyLayer;
+            }
+            else
+            {
+                osg::notify(osg::NOTICE)<<"Warning: Failed to create ProxyLayer "<<fr[1].getStr()<<std::endl;
+            }
+                        
+            fr += 2;
+            itrAdvanced = true;
+        }
+
         if (fr.matchSequence("Images {") || fr.matchSequence("images {"))
         {
             osg::ref_ptr<osgTerrain::CompositeLayer> cl = new osgTerrain::CompositeLayer;

src/osgTerrain/Layer.cpp

@@ -326,7 +326,7 @@ unsigned int HeightFieldLayer::getModifiedCount() const
 
 /////////////////////////////////////////////////////////////////////////////
 //
-// HieghtFieldLayer
+// CompositeLayer
 //
 CompositeLayer::CompositeLayer()
 {
@@ -342,3 +342,21 @@ void CompositeLayer::clear()
 {
     _layers.clear();
 }
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// ProxyLayer
+//
+ProxyLayer::ProxyLayer()
+{
+}
+
+ProxyLayer::ProxyLayer(const ProxyLayer& proxyLayer,const osg::CopyOp& copyop):
+    Layer(proxyLayer,copyop)
+{
+}
+
+ProxyLayer::~ProxyLayer()
+{
+}
+

src/osgWrappers/osgTerrain/Layer.cpp

@@ -557,3 +557,40 @@ BEGIN_OBJECT_REFLECTOR(osgTerrain::Layer)
 	                 __void__setValidDataOperator__ValidDataOperator_P1);
 END_REFLECTOR
 
+BEGIN_OBJECT_REFLECTOR(osgTerrain::ProxyLayer)
+	I_DeclaringFile("osgTerrain/Layer");
+	I_BaseType(osgTerrain::Layer);
+	I_Constructor0(____ProxyLayer,
+	               "",
+	               "");
+	I_ConstructorWithDefaults2(IN, const osgTerrain::ProxyLayer &, proxyLayer, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY,
+	                           ____ProxyLayer__C5_ProxyLayer_R1__C5_osg_CopyOp_R1,
+	                           "Copy constructor using CopyOp to manage deep vs shallow copy. ",
+	                           "");
+	I_Method0(osg::Object *, cloneType,
+	          Properties::VIRTUAL,
+	          __osg_Object_P1__cloneType,
+	          "Clone the type of an object, with Object* return type. ",
+	          "Must be defined by derived classes. ");
+	I_Method1(osg::Object *, clone, IN, const osg::CopyOp &, copyop,
+	          Properties::VIRTUAL,
+	          __osg_Object_P1__clone__C5_osg_CopyOp_R1,
+	          "Clone an object, with Object* return type. ",
+	          "Must be defined by derived classes. ");
+	I_Method1(bool, isSameKindAs, IN, const osg::Object *, obj,
+	          Properties::VIRTUAL,
+	          __bool__isSameKindAs__C5_osg_Object_P1,
+	          "",
+	          "");
+	I_Method0(const char *, libraryName,
+	          Properties::VIRTUAL,
+	          __C5_char_P1__libraryName,
+	          "return the name of the object's library. ",
+	          "Must be defined by derived classes. The OpenSceneGraph convention is that the namespace of a library is the same as the library name. ");
+	I_Method0(const char *, className,
+	          Properties::VIRTUAL,
+	          __C5_char_P1__className,
+	          "return the name of the object's class type. ",
+	          "Must be defined by derived classes. ");
+END_REFLECTOR
+