FGFS-4.1/OpenSceneGraph
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Added support for generation of PagedLOD databases in osgTerrain::DataSet

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This commit is contained in:
Robert Osfield
2004-03-16 16:54:08 +00:00
parent 1968ff16cb
commit e2e779bed7
2 changed files with 396 additions and 77 deletions
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80
include/osgTerrain/DataSet
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@@ -673,15 +673,22 @@ class DataSet : public osg::Referenced
void equalizeEdge(Position position);
void equalizeBoundaries();
void setTileComplete(bool complete) { _complete = complete; }
bool getTileComplete() const { return _complete; }
void optimizeResolution();
osg::Node* createScene();
void empty();
std::string _name;
DataSet* _dataSet;
std::string _name;
unsigned int _level;
unsigned int _tileX;
unsigned int _tileY;
osg::ref_ptr<DestinationData> _imagery;
osg::ref_ptr<DestinationData> _terrain;
@@ -701,9 +708,7 @@ class DataSet : public osg::Referenced
float _terrain_maxSourceResolutionX;
float _terrain_maxSourceResolutionY;
unsigned int _level;
unsigned int _tileX;
unsigned int _tileY;
bool _complete;
};
@@ -712,13 +717,25 @@ class DataSet : public osg::Referenced
public:
CompositeDestination():
_dataSet(0),
_parent(0),
_level(0),
_tileX(0),
_tileY(0),
_type(GROUP),
_maxVisibleDistance(FLT_MAX) {}
_maxVisibleDistance(FLT_MAX),
_subTileGenerated(false) {}
CompositeDestination(osgTerrain::CoordinateSystem* cs, const osg::BoundingBox& extents):
SpatialProperties(cs,extents),
_dataSet(0),
_parent(0),
_level(0),
_tileX(0),
_tileY(0),
_type(GROUP),
_maxVisibleDistance(FLT_MAX) {}
_maxVisibleDistance(FLT_MAX),
_subTileGenerated(false) {}
void computeNeighboursFromQuadMap();
@@ -729,28 +746,52 @@ class DataSet : public osg::Referenced
void equalizeBoundaries();
osg::Node* createScene();
bool areSubTilesComplete();
std::string getSubTileName();
osg::Node* createPagedLODScene();
osg::Node* createSubTileScene();
void setSubTilesGenerated(bool generated) { _subTileGenerated=generated; }
bool getSubTilesGenerated() const { return _subTileGenerated; }
typedef std::vector< osg::ref_ptr<DestinationTile> > TileList;
typedef std::vector< osg::ref_ptr<CompositeDestination> > ChildList;
CompositeType _type;
TileList _tiles;
ChildList _children;
float _maxVisibleDistance;
DataSet* _dataSet;
CompositeDestination* _parent;
std::string _name;
unsigned int _level;
unsigned int _tileX;
unsigned int _tileY;
CompositeType _type;
TileList _tiles;
ChildList _children;
float _maxVisibleDistance;
bool _subTileGenerated;
};
typedef std::map<unsigned int,DestinationTile*> Row;
typedef std::map<unsigned int,CompositeDestination*> Row;
typedef std::map<unsigned int,Row> Level;
typedef std::map<unsigned int,Level> QuadMap;
void insertTileToQuadMap(DestinationTile* tile)
void insertTileToQuadMap(CompositeDestination* tile)
{
_quadMap[tile->_level][tile->_tileY][tile->_tileX] = tile;
}
DestinationTile* getTile(unsigned int level,unsigned int X, unsigned int Y)
{
CompositeDestination* cd = getComposite(level,X,Y);
if (!cd) return 0;
if (cd->_tiles.empty()) return 0;
return (cd->_tiles).front().get();
}
CompositeDestination* getComposite(unsigned int level,unsigned int X, unsigned int Y)
{
QuadMap::iterator levelItr = _quadMap.find(level);
if (levelItr==_quadMap.end()) return 0;
@@ -794,9 +835,13 @@ class DataSet : public osg::Referenced
void setDestinationGeoTransform(const osg::Matrixd& geoTransform) { _geoTransform = geoTransform; }
void setDestinationTileBaseName(const std::string& basename) { _tileBasename = basename; }
void setDestinationTileExtension(const std::string& extension) { _tileExtension = extension; }
const std::string& getDestinationTileBaseName() const { return _tileBasename; }
CompositeDestination* createDestinationGraph(osgTerrain::CoordinateSystem* cs,
void setDestinationTileExtension(const std::string& extension) { _tileExtension = extension; }
const std::string& getDestinationTileExtension() const { return _tileExtension; }
CompositeDestination* createDestinationGraph(CompositeDestination* parent,
osgTerrain::CoordinateSystem* cs,
const osg::BoundingBox& extents,
unsigned int maxImageSize,
unsigned int maxTerrainSize,
@@ -830,6 +875,11 @@ class DataSet : public osg::Referenced
virtual ~DataSet() {}
void _readRow(Row& row);
void _equalizeRow(Row& row);
void _writeRow(Row& row);
void _emptyRow(Row& row);
void init();
osg::ref_ptr<CompositeSource> _sourceGraph;