Added support for decoration of the osgTerrain::DataSet generated databases

with a CoordinateSystemNode which reflect the coordinate system of the
database.

Added support for reading and writing CoordianteSystemNode into the .osg
and .ive formats.

include/osg/CoordinateSystemNode

@@ -93,7 +93,7 @@ class SG_EXPORT CoordinateSystemNode : public Group
         
                 
         /** Set the CoordinateSystem reference string, should be stored in OpenGIS Well Know Text form.*/
-        void setCoordnateSystem(const std::string& WKT) { _WKT = WKT; }
+        void setCoordinateSystem(const std::string& WKT) { _WKT = WKT; }
         
         /** Get the CoordinateSystem reference string.*/
         const std::string& getCoordinateSystem() const { return _WKT; }

include/osg/NodeVisitor

@@ -36,6 +36,7 @@ class Impostor;
 class ClearNode;
 class OccluderNode;
 class Sequence;
+class CoordinateSystemNode;
 
 /** Visitor for type safe operations on osg::Node's.
     Based on GOF's Visitor pattern. The NodeVisitor 
@@ -221,6 +222,8 @@ class SG_EXPORT NodeVisitor : public virtual Referenced
 
         virtual void apply(Projection& node)                { apply((Group&)node); }
 
+        virtual void apply(CoordinateSystemNode& node)      { apply((Group&)node); }
+
         virtual void apply(ClipNode& node)                  { apply((Group&)node); }
         virtual void apply(LightSource& node)               { apply((Group&)node); }
 

include/osgTerrain/DataSet

@@ -91,13 +91,16 @@ class OSGTERRAIN_EXPORT DataSet : public osg::Referenced
         struct DestinationData : public osg::Referenced, SpatialProperties
         {
         
-            DestinationData():
+            DestinationData(DataSet* dataSet):
+                _dataSet(dataSet),
                 _minDistance(0.0),
                 _maxDistance(FLT_MAX) {}
         
             
             typedef std::vector< osg::ref_ptr<osg::Node> > ModelList;
             
+            DataSet*                                    _dataSet;
+
             float                                       _minDistance;
             float                                       _maxDistance;
 
@@ -903,6 +906,9 @@ class OSGTERRAIN_EXPORT DataSet : public osg::Referenced
         void setUseLocalTileTransform(bool flag) { _useLocalTileTransform = flag; }
         bool getUseLocalTileTransform() const { return _useLocalTileTransform; }
         
+        void setDecorateGeneratedSceneGraphWithCoordinateSystemNode(bool flag) { _decorateWithCoordinateSystemNode = flag; }
+        bool getDecorateGeneratedSceneGraphWithCoordinateSystemNode() const { return _decorateWithCoordinateSystemNode; }
+        
 
 
         CompositeDestination* createDestinationGraph(CompositeDestination* parent,
@@ -937,6 +943,8 @@ class OSGTERRAIN_EXPORT DataSet : public osg::Referenced
         void _equalizeRow(Row& row);
         void _writeRow(Row& row);
         
+        osg::CoordinateSystemNode* decorateWithCoordinateSystemNode(osg::Node* subgraph);
+        
         void init();
 
         osg::ref_ptr<CompositeSource>               _sourceGraph;
@@ -949,8 +957,8 @@ class OSGTERRAIN_EXPORT DataSet : public osg::Referenced
 	float                                       _radiusToMaxVisibleDistanceRatio;
         float                                       _verticalScale;
             
-        osg::ref_ptr<osg::CoordinateSystemNode>  _destinationCoordinateSystem;
+        osg::ref_ptr<osg::CoordinateSystemNode>     _destinationCoordinateSystem;
-        osg::ref_ptr<osg::CoordinateSystemNode>  _intermediateCoordinateSystem;
+        osg::ref_ptr<osg::CoordinateSystemNode>     _intermediateCoordinateSystem;
 
         bool                                        _convertFromGeographicToGeocentric;
         osg::ref_ptr<osg::EllipsoidModel>           _ellipsoidModel;
@@ -964,6 +972,8 @@ class OSGTERRAIN_EXPORT DataSet : public osg::Referenced
         GeometryType                                _geometryType;
         TextureType                                 _textureType;
         bool                                        _useLocalTileTransform;
+
+        bool                                        _decorateWithCoordinateSystemNode;
         
         osg::ref_ptr<osg::Node>                     _rootNode;
         

src/osgDB/Field.cpp

@@ -365,7 +365,7 @@ bool Field::getFloat(double& f) const
     getFieldType();
     if (_fieldType==REAL || _fieldType==INTEGER)
     {
-        f = (float)atof(_fieldCache);
+        f = atof(_fieldCache);
         return true;
     }
     else

src/osgPlugins/ive/CoordinateSystemNode.cpp

@@ -0,0 +1,76 @@
+/**********************************************************************
+ *
+ *    FILE:            CoordinateSystemNode.cpp
+ *
+ *    DESCRIPTION:    Read/Write osg::CoordinateSystemNode in binary format to disk.
+ *
+ *    CREATED BY:        Auto generated by iveGenerator
+ *                    and later modified by Rune Schmidt Jensen.
+ *
+ *    HISTORY:        Created 9.4.2003
+ *
+ *    Copyright 2003 VR-C
+ **********************************************************************/
+
+#include "Exception.h"
+#include "CoordinateSystemNode.h"
+#include "EllipsoidModel.h"
+#include "Group.h"
+
+using namespace ive;
+
+void CoordinateSystemNode::write(DataOutputStream* out)
+{
+    // Write CoordinateSystemNode's identification.
+    out->writeInt(IVECOORDINATESYSTEMNODE);
+    // If the osg class is inherited by any other class we should also write this to file.
+    osg::Group*  group = dynamic_cast<osg::Group*>(this);
+    if(group){
+        ((ive::Group*)(group))->write(out);
+    }
+    else
+        throw Exception("CoordinateSystemNode::write(): Could not cast this osg::CoordinateSystemNode to an osg::Group.");
+    // Write CoordinateSystemNode's properties.
+
+        out->writeString(getCoordinateSystem());
+
+        out->writeBool(getEllipsoidModel()!=0);
+        if(getEllipsoidModel())
+        {
+            ((ive::EllipsoidModel*)(getEllipsoidModel()))->write(out);
+        }
+
+}
+
+void CoordinateSystemNode::read(DataInputStream* in){
+    // Peek on CoordinateSystemNode's identification.
+    int id = in->peekInt();
+    if(id == IVECOORDINATESYSTEMNODE)
+    {
+        // Read CoordinateSystemNode's identification.
+        id = in->readInt();
+        // If the osg class is inherited by any other class we should also read this from file.
+        osg::Group*  group = dynamic_cast<osg::Group*>(this);
+        if(group){
+            ((ive::Group*)(group))->read(in);
+        }
+        else
+            throw Exception("CoordinateSystemNode::read(): Could not cast this osg::CoordinateSystemNode to an osg::Group.");
+        // Read CoordinateSystemNode's properties
+
+        // Read coord string
+        setCoordinateSystem( in->readString());
+
+        bool readEllopsoidModel = in->readBool();
+        if (readEllopsoidModel)
+        {
+            osg::EllipsoidModel* em = new osg::EllipsoidModel();
+            ((ive::EllipsoidModel*)(em))->read(in);
+            setEllipsoidModel(em);
+        }
+
+    }
+    else{
+        throw Exception("CoordinateSystemNode::read(): Expected CoordinateSystemNode identification.");
+    }
+}

src/osgPlugins/ive/CoordinateSystemNode.h

@@ -0,0 +1,15 @@
+#ifndef IVE_COORDINATESYSTEMNODE
+#define IVE_COORDINATESYSTEMNODE 1
+
+#include <osg/CoordinateSystemNode>
+#include "ReadWrite.h"
+
+namespace ive{
+class CoordinateSystemNode : public osg::CoordinateSystemNode, public ReadWrite {
+public:
+	void write(DataOutputStream* out);
+	void read(DataInputStream* in);
+};
+}
+
+#endif

src/osgPlugins/ive/DataInputStream.cpp

@@ -47,6 +47,7 @@
 #include "Switch.h"
 #include "OccluderNode.h"
 #include "Impostor.h"
+#include "CoordinateSystemNode.h"
 
 #include "LightPointNode.h"
 #include "MultiSwitch.h"
@@ -826,6 +827,10 @@ osg::Node* DataInputStream::readNode()
         node = new osg::PagedLOD();
         ((ive::PagedLOD*)(node))->read(this);
     }
+    else if(nodeTypeID== IVECOORDINATESYSTEMNODE){
+        node = new osg::CoordinateSystemNode();
+        ((ive::CoordinateSystemNode*)(node))->read(this);
+    }
     else if(nodeTypeID== IVESWITCH){
         node = new osg::Switch();
         ((ive::Switch*)(node))->read(this);

src/osgPlugins/ive/DataOutputStream.cpp

@@ -49,6 +49,7 @@
 #include "Switch.h"
 #include "OccluderNode.h"
 #include "Impostor.h"
+#include "CoordinateSystemNode.h"
 
 #include "LightPointNode.h"
 #include "MultiSwitch.h"
@@ -611,6 +612,9 @@ void DataOutputStream::writeNode(const osg::Node* node)
         else if(dynamic_cast<const osg::Switch*>(node)){
             ((ive::Switch*)(node))->write(this);
         }
+        else if(dynamic_cast<const osg::CoordinateSystemNode*>(node)){
+            ((ive::CoordinateSystemNode*)(node))->write(this);
+        }
         else if(dynamic_cast<const osgSim::MultiSwitch*>(node)){
             ((ive::MultiSwitch*)(node))->write(this);
         }

src/osgPlugins/ive/EllipsoidModel.cpp

@@ -0,0 +1,62 @@
+/**********************************************************************
+ *
+ *    FILE:            EllipsoidModel.cpp
+ *
+ *    DESCRIPTION:    Read/Write osg::EllipsoidModel in binary format to disk.
+ *
+ *    CREATED BY:        Auto generated by iveGenerator
+ *                    and later modified by Rune Schmidt Jensen.
+ *
+ *    HISTORY:        Created 23.4.2003
+ *
+ *    Copyright 2003 VR-C
+ **********************************************************************/
+
+#include "Exception.h"
+#include "Object.h"
+#include "EllipsoidModel.h"
+#include "ConvexPlanarPolygon.h"
+
+using namespace ive;
+
+void EllipsoidModel::write(DataOutputStream* out){
+    // Write EllipsoidModel's identification.
+    out->writeInt(IVEELLIPSOIDMODEL);
+    // If the osg class is inherited by any other class we should also write this to file.
+    osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+    if(obj){
+        ((ive::Object*)(obj))->write(out);
+    }
+    else
+        throw Exception("EllipsoidModel::write(): Could not cast this osg::EllipsoidModel to an osg::Object.");
+    // Write EllipsoidModel's properties.
+
+    out->writeDouble(getRadiusEquator());
+    out->writeDouble(getRadiusPolar());
+
+}
+
+void EllipsoidModel::read(DataInputStream* in){
+    // Peek on EllipsoidModel's identification.
+    int id = in->peekInt();
+    if(id == IVEELLIPSOIDMODEL){
+        // Read EllipsoidModel's identification.
+        id = in->readInt();
+        // If the osg class is inherited by any other class we should also read this from file.
+        osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+        if(obj){
+            ((ive::Object*)(obj))->read(in);
+        }
+        else
+            throw Exception("EllipsoidModel::read(): Could not cast this osg::EllipsoidModel to an osg::Object.");
+        // Read EllipsoidModel's properties
+
+        setRadiusEquator(in->readDouble());
+        setRadiusPolar(in->readDouble());
+        
+
+    }
+    else{
+        throw Exception("EllipsoidModel::read(): Expected EllipsoidModel identification.");
+    }
+}

src/osgPlugins/ive/EllipsoidModel.h

@@ -0,0 +1,15 @@
+#ifndef IVE_ELLIPSOIDMODEL
+#define IVE_ELLIPSOIDMODEL 1
+
+#include <osg/CoordinateSystemNode>
+#include "ReadWrite.h"
+
+namespace ive{
+class EllipsoidModel : public osg::EllipsoidModel, public ReadWrite {
+public:
+	void write(DataOutputStream* out);
+	void read(DataInputStream* in);
+};
+}
+
+#endif

src/osgPlugins/ive/GNUmakefile

@@ -9,6 +9,7 @@ CXXFILES =\
 	BlendFunc.cpp\
         ConvexPlanarOccluder.cpp\
         ConvexPlanarPolygon.cpp\
+        CoordinateSystemNode.cpp\
         ClusterCullingCallback.cpp\
 	CullFace.cpp\
 	DataInputStream.cpp\
@@ -20,6 +21,7 @@ CXXFILES =\
 	DrawElementsUShort.cpp\
 	DrawElementsUInt.cpp\
 	Drawable.cpp\
+	EllipsoidModel.cpp\
 	Exception.cpp\
 	Geode.cpp\
 	Geometry.cpp\

src/osgPlugins/ive/ReadWrite.h

@@ -29,6 +29,8 @@ namespace ive {
 #define IVECONVEXPLANARPOLYGON          0x00000020
 #define IVEPAGEDLOD                     0x00000021
 #define IVEDOFTRANSFORM                 0x00000022
+#define IVECOORDINATESYSTEMNODE         0x00000023
+#define IVEELLIPSOIDMODEL               0x00000024
 
 // Node callbacks
 #define IVENODECALLBACK                 0x00000050

src/osgPlugins/osg/CoordinateSystemNode.cpp

@@ -0,0 +1,60 @@
+#include "osg/CoordinateSystemNode"
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool CoordinateSystemNode_readLocalData(Object& obj, Input& fr);
+bool CoordinateSystemNode_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_CoordinateSystemNodeProxy
+(
+    new osg::CoordinateSystemNode,
+    "CoordinateSystemNode",
+    "Object Node CoordinateSystemNode Group",
+    &CoordinateSystemNode_readLocalData,
+    &CoordinateSystemNode_writeLocalData
+);
+
+bool CoordinateSystemNode_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    CoordinateSystemNode& csn = static_cast<CoordinateSystemNode&>(obj);
+
+    if (fr.matchSequence("CoordinateSystem %s"))
+    {
+        const char* str = fr[1].getStr();
+        if (str) csn.setCoordinateSystem(str);
+
+        iteratorAdvanced = true;
+        fr+=2;
+    }
+
+    static ref_ptr<EllipsoidModel> s_ellipsoidModel = new EllipsoidModel;
+    
+    EllipsoidModel* em = static_cast<EllipsoidModel*>(fr.readObjectOfType(*s_ellipsoidModel));
+    if (em) csn.setEllipsoidModel(em);
+
+    return iteratorAdvanced;
+}
+
+
+bool CoordinateSystemNode_writeLocalData(const Object& obj, Output& fw)
+{
+    const CoordinateSystemNode& csn = static_cast<const CoordinateSystemNode&>(obj);
+
+    fw.indent()<<"CoordinateSystem "<<fw.wrapString(csn.getCoordinateSystem())<<std::endl;
+    
+    if (csn.getEllipsoidModel()) 
+    {
+        fw.writeObject(*csn.getEllipsoidModel());
+    }
+
+    return true;
+}

src/osgPlugins/osg/EllipsoidModel.cpp

@@ -0,0 +1,67 @@
+#include "osg/CoordinateSystemNode"
+#include "osg/Notify"
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool EllipsoidModel_readLocalData(Object& obj, Input& fr);
+bool EllipsoidModel_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_EllipsoidModelFuncProxy
+(
+    new osg::EllipsoidModel,
+    "EllipsoidModel",
+    "Object EllipsoidModel",
+    &EllipsoidModel_readLocalData,
+    &EllipsoidModel_writeLocalData,
+    DotOsgWrapper::READ_AND_WRITE
+);
+
+bool EllipsoidModel_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    EllipsoidModel& em = static_cast<EllipsoidModel&>(obj);
+
+    if (fr.matchSequence("RadiusEquator %f"))
+    {
+        double radius;
+        fr[1].getFloat(radius);
+        em.setRadiusEquator(radius);
+        fr += 2;
+        iteratorAdvanced = true;
+    }
+
+    if (fr.matchSequence("RadiusPolar %f"))
+    {
+        double radius;
+        fr[1].getFloat(radius);
+        em.setRadiusPolar(radius);
+        fr += 2;
+        iteratorAdvanced = true;
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool EllipsoidModel_writeLocalData(const Object& obj, Output& fw)
+{
+    const EllipsoidModel& em = static_cast<const EllipsoidModel&>(obj);
+
+    int prec = fw.precision();
+    fw.precision(15);
+
+    fw.indent()<<"RadiusEquator "<<em.getRadiusEquator()<<std::endl;
+    fw.indent()<<"RadiusPolar "<<em.getRadiusPolar()<<std::endl;
+
+    fw.precision(prec);
+
+    return true;
+}

src/osgPlugins/osg/GNUmakefile

@@ -7,13 +7,15 @@ CXXFILES =\
         Billboard.cpp\
         BlendFunc.cpp\
         ClipPlane.cpp\
+        ClearNode.cpp\
         ColorMask.cpp\
+        CoordinateSystemNode.cpp\
         ConvexPlanarOccluder.cpp\
         CullFace.cpp\
         ClipNode.cpp\
         Depth.cpp\
         Drawable.cpp\
-        ClearNode.cpp\
+        EllipsoidModel.cpp\
         Fog.cpp\
         FragmentProgram.cpp\
         FrontFace.cpp\

src/osgTerrain/DataSet.cpp

@@ -2754,6 +2754,8 @@ DataSet::DataSet()
     _textureType = COMPRESSED_TEXTURE;
     _useLocalTileTransform = true;
     
+    _decorateWithCoordinateSystemNode = true;
+
     setEllipsoidModel(new osg::EllipsoidModel());
 }
 
@@ -3343,6 +3345,11 @@ void DataSet::_writeRow(Row& row)
         {
             osg::ref_ptr<osg::Node> node = cd->createPagedLODScene();
             
+            if (_decorateWithCoordinateSystemNode)
+            {
+                node = decorateWithCoordinateSystemNode(node.get());
+            }
+            
             //std::string filename = cd->_name + _tileExtension;
             std::string filename = _tileBasename+_tileExtension;
 
@@ -3368,6 +3375,27 @@ void DataSet::createDestination(unsigned int numLevels)
 
 }
 
+osg::CoordinateSystemNode* DataSet::decorateWithCoordinateSystemNode(osg::Node* subgraph)
+{
+    // don't decorate if no coord system is set.
+    if (_destinationCoordinateSystem->getCoordinateSystem().empty()) 
+        return subgraph;
+
+    osg::CoordinateSystemNode* csn = new osg::CoordinateSystemNode;
+    
+    // copy the destinate coordinate system string.
+    csn->setCoordinateSystem(_destinationCoordinateSystem->getCoordinateSystem());
+    
+    // set the ellipsoid model if geocentric coords are used.
+    if (getConvertFromGeographicToGeocentric()) csn->setEllipsoidModel(getEllipsoidModel());
+    
+    // add the a subgraph.
+    csn->addChild(subgraph);
+
+    return csn;
+}
+
+
 void DataSet::writeDestination()
 {
     if (_destinationGraph.valid())
@@ -3379,6 +3407,12 @@ void DataSet::writeDestination()
         {
             populateDestinationGraphFromSources();
             _rootNode = _destinationGraph->createScene();
+
+            if (_decorateWithCoordinateSystemNode)
+            {
+                _rootNode = decorateWithCoordinateSystemNode(_rootNode.get());
+            }
+
             osgDB::writeNodeFile(*_rootNode,filename);
         }
         else  // _databaseType==PagedLOD_DATABASE