Inheritance diagram for TileData:

Public Member Functions
	TileData (const DtTerrainSourceTracker &tracker, const osgEarth::TileKey &key)

DtTerrainIntersectIDType	getLastUsed () const
	Return the last intersect id which touch this tile. More...

bool	updateLastUsed (DtTerrainIntersectIDType value)
	Update last intersect id. More...

bool	addActiveTileKey (const osgEarth::TileKey &key)
	Activate this tile (i.e a subregion) of this tile. More...

void	recomputeActiveTileKeyAreas ()
	Should be called to enable a tilekey subarea once everything else needed for it is setup. More...

bool	insideValidArea (const DtPoint &p) const
	Returns true if the point is inside a valid area. More...

bool	extentInsideValidArea (unsigned x1, unsigned y1, unsigned x2, unsigned y2) const
	Returns true if the extent is entirely inside a valid area (doesn't intersect any invalid areas). More...

bool	extentOutsideValidArea (unsigned x1, unsigned y1, unsigned x2, unsigned y2) const
	Returns true if the extent is entirely outside the valid area. More...

bool	getLandCoverName (const DtPoint &pt, std::string &landCoverName, bool &dataAvailable, bool blockOnUnavailable) const

int	getLandCoverValue (const DtPoint &pt, bool &dataAvailable, bool blockOnUnavailable) const

Public Member Functions inherited from DtTileData
	DtTileData (const DtTerrainSourceTracker &tracker, const osgEarth::TileKey &key)
	Default constructor. More...

virtual	~DtTileData ()
	Destructor. More...

bool	setSoilType (const DtPoint &geodeticPt, DtSurface &surface, bool blockIfUnavailable) const

DtSurface	setSoilType (const DtTerrainTriangleStruct &tri, bool blockIfUnavailable) const

virtual void	addMaskExtents (const Extent::Vector &extents)
	Adds masked out areas as they are paged in. More...

virtual void	addMaskExtent (const Extent &extent)

virtual void	removeMaskExtent (const Extent &extent)

virtual void	getMaskExtents (Extent::Vector &extents)

virtual std::string	description () const =0
	Return a text description of the tile. More...

virtual unsigned	numberOfVertices () const =0
	Number of elevation points. More...

virtual unsigned	numberOfTrianglesForVertices () const
	Computes the number of triangles which will be considered equivalent to the number of vertices. More...

virtual void	getTriangleVertices (unsigned xindex, unsigned yindex, double &x, double &y) const =0
	Get the vertex coordinates for triangle indices. More...

virtual DtVector	getTriangleVertices (unsigned xindex, unsigned yindex) const
	Get the vertex coordinates for triangle indices, including elevation. More...

virtual void	getTriangleIndices (double x, double y, unsigned &xindex, unsigned &yindex) const =0
	Get the closest triangle indices for vertex coordinates. More...

virtual double	getTriangleIdxVsHeightFieldIdxRatio () const

virtual void	heightfieldIndexForTriangleIndex (unsigned triangleXIndex, unsigned triangleYIndex, unsigned &heightFieldXUsed, unsigned &heightFieldYUsed) const =0
	Compute the index of the lower left corner of the elevation cell that contains the triangle indices. More...

virtual double	interpolateHeight (unsigned triangleXIndex, unsigned triangleYIndex, unsigned heightFieldXUsed=0, unsigned heightFieldYUsed=0) const =0
	Interpolate height value for triangle indices. More...

virtual bool	findIntersections (const DtChord &chord, unsigned x1, unsigned y1, unsigned x2, unsigned y2, DtVrfChordIntersectRecordList &intList, const DtTerrainIntersectOptions &options, bool singleCell=false, bool insideValidAreaChecked=false) const
	Find intersections with chord. More...

virtual bool	findIntersections (const DtChord &chord, DtVrfChordIntersectRecordList &intList, const DtTerrainIntersectOptions &options) const =0
	Entry point to findIntersections. More...

virtual void	findTriangles (const DtTerrainProcessPolygonsBox &box, unsigned x1, unsigned y1, unsigned x2, unsigned y2, DtTriangleOutputInterface &, bool singleCell=false, bool insideValidAreaChecked=false) const
	Output triangles from this tile. More...

virtual void	findTriangles (const DtTerrainProcessPolygonsBox &box, DtTriangleOutputInterface &) const =0
	Entry point to findTriangles. More...

virtual osgEarth::FeatureList &	groundFeatureList ()
	return the ground feature list to be filled or read More...

Protected Types
typedef std::set < osgEarth::TileKey >	TileKeySet

Protected Attributes
tbb::atomic < DtTerrainIntersectIDType >	myLastUsed

TileKeySet	myInactiveTileKeys

TileKeySet	myActiveTileKeys

tbb::spin_rw_mutex	myInactiveAreasMutex

Extent::Vector	myInactiveAreas

IndexExtent::Vector	myInactiveIndexAreas

Protected Attributes inherited from DtTileData
tbb::spin_rw_mutex	maskExtentsMutex

Extent::Vector	maskExtents
	Masks computed from masked out areas in osgearth. More...

Extent::Vector	unSimplifiedMaskExtents

IndexExtent::Vector	maskIndexExtents
	Same masks as maskExtents but in triangle index coordinates. More...

osgEarth::FeatureList	myGroundFeatureList
	Ground Feature List (procedural trees from osgEarth) More...

Additional Inherited Members
Public Types inherited from DtTileData
enum	TileType { Normal, Empty }

Public Attributes inherited from DtTileData
const DtTerrainSourceTracker &	tracker
	Tracker that owns this tile. More...

const osgEarth::TileKey	tileKey
	TileKey for this tile. More...

osg::ref_ptr < osgEarth::TerrainTileModel >	tileModel
	osgearth tile model if using elevation. More...

Extent	extent
	Extent of tile. More...

TileType	type
	Abstract notion of type so we can annotate tiles. More...

std::vector< osg::ref_ptr < osg::Node > >	geometries
	Geometries associated with this tile. More...

std::vector< osg::ref_ptr < osg::Node > >	features
	list of geometries box created from the features like sim trees More...

std::vector< osgEarth::TileKey >	featuresTileKey
	List of ground features key generated associated with the current tileKey (groundcover is often not at the same lod) The layer name goes with the tile key. More...

std::vector< std::string >	featuresLayerName

tbb::atomic< unsigned int >	numTriangles
	The number of triangles this tile, and therefore its collision object, contain. More...

bool	pendingRemoval
	Whether this tile has had a page out command issued for it and should be ignored when calculating the oldest tile. More...

Member Typedef Documentation

typedef std::set<osgEarth::TileKey> TileData::TileKeySet

protected

Constructor & Destructor Documentation

TileData::TileData	(	const DtTerrainSourceTracker &	tracker,
		const osgEarth::TileKey &	key
	)

Member Function Documentation

DtTerrainIntersectIDType TileData::getLastUsed ( ) const

virtual

Return the last intersect id which touch this tile.

Implements DtTileData.

bool TileData::updateLastUsed ( DtTerrainIntersectIDType value )

virtual

Update last intersect id.

Implements DtTileData.

bool TileData::addActiveTileKey ( const osgEarth::TileKey & key )

virtual

Activate this tile (i.e a subregion) of this tile.

This complexity is b/c sometimes tiles are only valid for a portion of their extent since there is higher resolution data available for certain subtiles. All the various subtiles (up to the max lod) have to be checked and only once we are sure there is no higher res data can we use that region in this tile.

Implements DtTileData.

void TileData::recomputeActiveTileKeyAreas ( )

virtual

Should be called to enable a tilekey subarea once everything else needed for it is setup.

This would be do automatically in addActiveTileKey but that function needs to be called before the masks and skirt geometry are dealt with in order to reject multiple page ins. The area can only be enabled after that is all done though, otherwise there might be some intersections done on the masked out area b/c it is not setup yet.

Implements DtTileData.

bool TileData::insideValidArea ( const DtPoint & p ) const

virtual

Returns true if the point is inside a valid area.

Invalid areas are areas which are covered by a mask (i.e. an cut in), have higher resolution elevation data, or have not been checked for higher resolution data yet. Does not use mask tolerance.

Reimplemented from DtTileData.

bool TileData::extentInsideValidArea	(	unsigned	x1,
		unsigned	y1,
		unsigned	x2,
		unsigned	y2
	)		const

virtual

Returns true if the extent is entirely inside a valid area (doesn't intersect any invalid areas).

Invalid areas are areas which are covered by a mask (i.e. an cut in), have higher resolution elevation data, or have not been checked for higher resolution data yet. Coordinates are triangle indices.

Reimplemented from DtTileData.

bool TileData::extentOutsideValidArea	(	unsigned	x1,
		unsigned	y1,
		unsigned	x2,
		unsigned	y2
	)		const

virtual

Returns true if the extent is entirely outside the valid area.

This means that there is no data to intersect with in this extent in this tile. This function is generally used for optimization and may return false even if the extent actually is completely outside the valid area. Coordinates are triangle indices.

Reimplemented from DtTileData.

bool TileData::getLandCoverName	(	const DtPoint &	pt,
		std::string &	landCoverName,
		bool &	dataAvailable,
		bool	blockOnUnavailable
	)		const

virtual

Implements DtTileData.

int TileData::getLandCoverValue	(	const DtPoint &	pt,
		bool &	dataAvailable,
		bool	blockOnUnavailable
	)		const

virtual

Implements DtTileData.

Member Data Documentation

tbb::atomic<DtTerrainIntersectIDType> TileData::myLastUsed

protected

TileKeySet TileData::myInactiveTileKeys

protected

TileKeySet TileData::myActiveTileKeys

protected

tbb::spin_rw_mutex TileData::myInactiveAreasMutex

mutableprotected

Extent::Vector TileData::myInactiveAreas

protected

IndexExtent::Vector TileData::myInactiveIndexAreas

protected

The documentation for this class was generated from the following file:

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-8-branch/include/vantageTerrainImplementation/tileData.h

Public Member Functions

Protected Types

Protected Attributes

Additional Inherited Members

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation