FGFS-4.1/OpenSceneGraph
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Updates for improvements to osgdem, such as adding support for skirt

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and border into osg::HeightField, handling of computation of neigherbouring
tiles in osgdem's DestinationGraph.
This commit is contained in:
Robert Osfield
2004-01-18 21:59:20 +00:00
parent c06c73993e
commit b9f032bbb5
6 changed files with 327 additions and 21 deletions
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31
examples/osgdem/DataSet.h
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@@ -633,6 +633,8 @@ class DataSet : public osg::Referenced
DestinationTile();
void computeNeighboursFromQuadMap();
void setNeighbours(DestinationTile* left, DestinationTile* left_below,
DestinationTile* below, DestinationTile* below_right,
@@ -675,6 +677,8 @@ class DataSet : public osg::Referenced
std::string _name;
DataSet* _dataSet;
osg::ref_ptr<DestinationData> _imagery;
osg::ref_ptr<DestinationData> _terrain;
osg::ref_ptr<DestinationData> _models;
@@ -712,6 +716,8 @@ class DataSet : public osg::Referenced
_type(GROUP),
_maxVisibleDistance(FLT_MAX) {}
void computeNeighboursFromQuadMap();
void addRequiredResolutions(CompositeSource* sourceGraph);
void readFrom(CompositeSource* sourceGraph);
@@ -730,6 +736,29 @@ class DataSet : public osg::Referenced
};
typedef std::map<unsigned int,DestinationTile*> Column;
typedef std::map<unsigned int,Column> Level;
typedef std::map<unsigned int,Level> QuadMap;
void insertTileToQuadMap(DestinationTile* tile)
{
_quadMap[tile->_level][tile->_X][tile->_Y] = tile;
}
DestinationTile* getTile(unsigned int level,unsigned int X, unsigned int Y)
{
QuadMap::iterator levelItr = _quadMap.find(level);
if (levelItr==_quadMap.end()) return 0;
Level::iterator columnItr = levelItr->second.find(X);
if (columnItr==levelItr->second.end()) return 0;
Column::iterator rowItr = columnItr->second.find(Y);
if (rowItr==columnItr->second.end()) return 0;
else return rowItr->second;
}
public:
@@ -777,6 +806,8 @@ class DataSet : public osg::Referenced
osg::ref_ptr<CompositeSource> _sourceGraph;
osg::ref_ptr<CompositeDestination> _destinationGraph;
QuadMap _quadMap;
osg::ref_ptr<osgTerrain::CoordinateSystem> _coordinateSystem;
osg::Matrixd _geoTransform;