DtEllipsoidTerrainImplementation Class Reference

This terrain implementation is an algorithmic representation of the world as a bald ellipsoid defined by WGS84. More...

Inheritance diagram for DtEllipsoidTerrainImplementation:

Public Member Functions
	DtEllipsoidTerrainImplementation (DtConsoleCommandManager *cmdMgr)
virtual	~DtEllipsoidTerrainImplementation ()
virtual bool	loadTerrain (const makArchives::DtGenericTerrainRecord &record)
	Loads a terrain given the terrain record.
virtual const Coordinate_System *	coordinateSystem () const
virtual bool	chordIntersect (const DtChord &chord, DtVrfChordIntersectionRecord &record, DtIntersectionRecord::DtIntersectionType irtFlag=DtIntersectionRecord::INT_ALL_DATA, bool *dataAvailable=0, bool overrideBlockingAssert=false, int flags=0) const
	Returns topmost intersection of chord with terrain in record.
virtual bool	allIntersectsAlongChord (const DtChord &chord, DtVrfChordIntersectRecordList &intList, DtIntersectionRecord::DtIntersectionType irtFlag=DtIntersectionRecord::INT_ALL_DATA, bool *dataAvailable=0, bool overrideBlockingAssert=false, int flags=0) const
	Returns all intersections of chord with terrain.
virtual const DtTerrainCapabilities *	terrainCapabilities () const
virtual void	processTrianglesInArea (DtTriangleOutputInterface &, const DtTerrainProcessPolygonsBox &box) const
Public Member Functions inherited from DtTerrainImplementation
	DtTerrainImplementation (DtConsoleCommandManager *cmdManager)
virtual	~DtTerrainImplementation ()
virtual MAKVRinTerra::DtFeatureDatabase &	featureDatabase ()
	Access feature database.
virtual const MAKVRinTerra::DtFeatureDatabase &	featureDatabase () const
virtual MAKVRinTerra::DtFeatureContext &	featureContext ()
	Access feature context.
virtual const MAKVRinTerra::DtFeatureContext &	featureContext () const
virtual void	init ()
	Called immediately after creation.
virtual void	finishedLoading (const MAKVRinTerra::DtProj &proj)
	Called after terrain loaded successfully.
virtual void	shutdown (bool block=true)
	Shutdown the terrain.
virtual double	modelHeightDifferencesFromAppearances (int oldApp, int newApp) const
	If supported by the implementation, return the height difference from the currently loaded model as a transition from the old appearance to the new appearance.
virtual bool	createFromExtent (const Dt3dBoundingVolume &)
	Creates an extent from the given extent. Not all implementations will support this.
virtual bool	loadModel (const DtFilename &, const DtEntityType &t=DtEntityType())
	Defaults to loading terrain for gdb.
virtual DtTerrainInterfaceConfig &	configurationOptions ()
virtual const DtTerrainInterfaceConfig &	configurationOptions () const
virtual void	preloadTerrainAreas (const DtTerrainPagingGeometryList &preloadGeometry)
	Specifies a list of terrain areas that should be preloaded by the terrain implementation, in the case of a paging or streaming terrain source.
virtual bool	dataAvailable (const DtTerrainPagingGeometryList &geometry)
	Returns true if all of the terrain which intersects the geometry list is paged in.
virtual void	setIntersectDataLoadExpireTime (const double &expireTime)
	No-op.
virtual void	expireDataLoadRequestsBeforeTime (const double &currentTime)
	No-op.
virtual void	breakUpChords (const MAKVRinTerra::DtProj &, const DtChord &chord, std::vector< DtChord > &chords)
virtual bool	hasFeatureContext () const
	Returns true if there is an active feature context.
virtual DtTerrainGeometryHandle *	createEntityGeometry (const DtFilename &file)
	Create geometry in the terrain which represents the entity.
virtual DtDynamicTerrainRequestHandle	addDynamicTerrainChangeRequest (double time, makVrv::DtDynamicTerrainChange *command)
	Add a dynamic terrain change request to the system.
virtual DtDynamicTerrainQueryHandle	queryDynamicTerrainFeatures (const DtDynamicTerrainQueryCallback &callback, makVrv::DtDynamicTerrainGeometry *geometry=0, bool useOriginalGeometry=false)
	Install a query which will call the supplied callback on matching dynamic terrain features as they are paged in.
virtual void	queryCurrentDynamicTerrainFeatures (const DtDynamicTerrainQueryCallback &callback, makVrv::DtDynamicTerrainGeometry *geometry=0, bool useOriginalGeometry=false)
virtual void	cacheInformationForTerrainArea (unsigned minLOD, unsigned maxLOD, const DtExtent &cacheArea, double &estimatedTime, double &estimatedSize, std::vector< std::string > &elevationLayers, std::vector< std::string > &modelLayers, std::vector< std::string > &featureLayers) const
	Given the request information, return the estimation of how long, how large, and what will be cached.
virtual void	cacheTerrainArea (int requestId, unsigned minLOD, unsigned maxLOD, const DtExtent &cacheArea, DtCacheProgressCallbackFunction fcn=0, void *usr=0)
	Call this to start the process of caching terain data (if supported for the open terrain) using the given request id and extent.
virtual void	cancelCacheTerrainArea (int requestId)
	Call this routine to cancel a potential cache in progress.
virtual void	setAssertOnBlockingTerrainCalls (bool assertBlock)
	Determines if an exception should be thrown if a blocking terrain call is made.
virtual bool	assertOnBlockingTerrainCalls () const
virtual void	setWarnOnBlockingTerrainCalls (bool warnBlock)
	Determines if a warning should be printed out if a blocking terrain call is made.
virtual bool	warnOnBlockingTerrainCalls () const

Static Public Member Functions
static DtTerrainImplementation *	create (DtConsoleCommandManager *cmdMgr)

Protected Member Functions
void	fillHitRecord (DtVrfChordIntersectionRecord &rec, const DtChord &chord, const DtPoint &chordNormal, double intersectTime, DtIntersectionRecord::DtIntersectionType irtFlag) const
bool	chordEllipsoidIntersect (const DtChord &chord, DtVrfChordIntersectionRecord &hit1, DtVrfChordIntersectionRecord &hit2, DtIntersectionRecord::DtIntersectionType irtFlag) const

Protected Attributes
Coordinate_System *	myCoordinateSystem
DtTerrainCapabilities	myCapabilities
Protected Attributes inherited from DtTerrainImplementation
DtTerrainInterfaceConfig	myConfig
bool	myAssertOnBlockingTerrainCalls
	Determines if an exception should be thrown if a blocking terrain call is made.
bool	myWarnOnBlockingTerrainCalls
boost::scoped_ptr < MAKVRinTerra::DtFeatureDatabase >	myFeatureDatabase
boost::scoped_ptr < MAKVRinTerra::DtFeatureContext >	myFeatureContext

Additional Inherited Members
Public Types inherited from DtTerrainImplementation
typedef boost::function< void(const makVrv::DtDynamicTerrainFeature &)>	DtDynamicTerrainQueryCallback

Detailed Description

This terrain implementation is an algorithmic representation of the world as a bald ellipsoid defined by WGS84.

All soil types are returned as the undefined soil type.

Constructor & Destructor Documentation

DtEllipsoidTerrainImplementation::DtEllipsoidTerrainImplementation

(

DtConsoleCommandManager *

cmdMgr

)

virtual DtEllipsoidTerrainImplementation::~DtEllipsoidTerrainImplementation ( )

virtual

Member Function Documentation

static DtTerrainImplementation* DtEllipsoidTerrainImplementation::create ( DtConsoleCommandManager *  cmdMgr )

static

virtual bool DtEllipsoidTerrainImplementation::loadTerrain ( const makArchives::DtGenericTerrainRecord &  rec )

virtual

Loads a terrain given the terrain record.

Implements DtTerrainImplementation.

virtual const Coordinate_System* DtEllipsoidTerrainImplementation::coordinateSystem ( ) const

virtual

Implements DtTerrainImplementation.

virtual bool DtEllipsoidTerrainImplementation::chordIntersect ( const DtChord &  chord, DtVrfChordIntersectionRecord &  record, DtIntersectionRecord::DtIntersectionType  irtFlag = DtIntersectionRecord::INT_ALL_DATA, bool *  dataAvailable = 0, bool  overrideBlockingAssert = false, int  flags = 0  ) const

virtual

Returns topmost intersection of chord with terrain in record.

irtFlag specifies what intersection data should be filled in for the record.

Implements DtTerrainImplementation.

virtual bool DtEllipsoidTerrainImplementation::allIntersectsAlongChord ( const DtChord &  chord, DtVrfChordIntersectRecordList &  intList, DtIntersectionRecord::DtIntersectionType  irtFlag = DtIntersectionRecord::INT_ALL_DATA, bool *  dataAvailable = 0, bool  overrideBlockingAssert = false, int  flags = 0  ) const

virtual

Returns all intersections of chord with terrain.

intList is the list of each intersection record. irtFlag specifies what intersection data should be filled in for the record.

Implements DtTerrainImplementation.

virtual const DtTerrainCapabilities* DtEllipsoidTerrainImplementation::terrainCapabilities ( ) const

virtual

Returns

A DtTerrainCapabilites structure that describes the capabilities of the currently loaded terrain.

Implements DtTerrainImplementation.

virtual void DtEllipsoidTerrainImplementation::processTrianglesInArea ( DtTriangleOutputInterface &  , const DtTerrainProcessPolygonsBox &  box  ) const

virtual

Implements DtTerrainImplementation.

void DtEllipsoidTerrainImplementation::fillHitRecord ( DtVrfChordIntersectionRecord &  rec, const DtChord &  chord, const DtPoint &  chordNormal, double  intersectTime, DtIntersectionRecord::DtIntersectionType  irtFlag  ) const

protected

bool DtEllipsoidTerrainImplementation::chordEllipsoidIntersect ( const DtChord &  chord, DtVrfChordIntersectionRecord &  hit1, DtVrfChordIntersectionRecord &  hit2, DtIntersectionRecord::DtIntersectionType  irtFlag  ) const

protected

Member Data Documentation

Coordinate_System* DtEllipsoidTerrainImplementation::myCoordinateSystem

protected

DtTerrainCapabilities DtEllipsoidTerrainImplementation::myCapabilities

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/terrainInterface/ellipsoidTerrainImplementation.h