Elevation source used for working with generic images opened by an ossimImageHandler. More...

#include <ossimTiledElevationDatabase.h>

Inheritance diagram for ossimTiledElevationDatabase:

Classes
struct	ossimTiledElevationEntry

Public Member Functions
	ossimTiledElevationDatabase ()
	default constructor More...

virtual bool	open (const ossimString &connectionString)
	Open a connection to a database. More...

virtual void	close ()
	close method. More...

void	mapRegion (const ossimGrect &region)
	Maps elevation data for region to a grid. More...

virtual double	getHeightAboveMSL (const ossimGpt &gpt)
	Get height above MSL for point. More...

virtual double	getHeightAboveEllipsoid (const ossimGpt &)
	Get height above ellipsoid for point. More...

virtual bool	pointHasCoverage (const ossimGpt &gpt) const
	Satisfies pure virtual ossimElevSource::pointHasCoverage. More...

virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
	Initialize from keyword list. More...

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	Save the state to a keyword list. More...

bool	getAccuracyInfo (ossimElevationAccuracyInfo &info, const ossimGpt &) const

virtual void	processFile (const ossimFilename &file)
	ProcessFile method. More...

virtual std::ostream &	print (std::ostream &out) const
	Outputs theErrorStatus as an ossimErrorCode and an ossimString. More...

virtual ossimObject *	dup () const

Public Member Functions inherited from ossimElevationDatabase
	ossimElevationDatabase ()

	ossimElevationDatabase (const ossimElevationDatabase &src)

virtual double	getMeanSpacingMeters () const
	METHOD: meanSpacingMeters() This method returns the post spacing in the region of gpt: More...

virtual void	setGeoid (ossimGeoid *geoid)

ossimGeoid *	getGeoid ()

const ossimGeoid *	getGeoid () const

const ossimString &	getConnectionString () const

Public Member Functions inherited from ossimElevSource
bool	intersectRay (const ossimEcefRay &ray, ossimGpt &gpt, double defaultElevValue=0.0)
	METHOD: intersectRay() More...

virtual double	getMinHeightAboveMSL () const
	Access methods for the bounding elevations: More...

virtual double	getMaxHeightAboveMSL () const

double	getNullHeightValue () const
	Special numeric quantities as defined by this source: More...

double	getSeaLevelValue () const

virtual const ossimGrect &	getBoundingGndRect () const
	METHODS: accuracyLE90(), accuracyCE90() Returns the vertical and horizontal accuracy (90% confidence) in the region of gpt: More...

virtual bool	canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
	required to be overriden by derived classes More...

virtual void	initialize ()
	Implement ossimSource base-class pure virtuals: More...

virtual bool	getComputeStatisticsFlag () const
	Opens a stream to an elevation cell. More...

virtual void	setComputeStatisticsFlag (bool flag)
	Sets the flag which controls whether or not statistics will be computed upon opening a cell and not finding a corresponding statistics file. More...

Public Member Functions inherited from ossimSource
	ossimSource (ossimObject *owner=0)

	ossimSource (ossimObject *owner, ossim_uint32 inputListSize, ossim_uint32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimSource ()

virtual bool	isSourceEnabled () const

virtual void	enableSource ()

virtual void	disableSource ()

virtual bool	getEnableFlag () const

virtual void	setEnableFlag (bool flag)

virtual bool	isInitialized () const

virtual void	setInitializedFlag (bool flag)

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

virtual ossimRefPtr< ossimProperty >	getProperty (const ossimString &name) const

virtual void	getPropertyNames (std::vector< ossimString > &propertyNames) const

Public Member Functions inherited from ossimConnectableObject
	ossimConnectableObject (ossimObject *owner=0)
	Base constructor of this object. More...

	ossimConnectableObject (ossimObject *owner, ossim_int32 inputListSize, ossim_int32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimConnectableObject ()

void	setId (const ossimId &id)
	All connectable objects will have id's. More...

const ossimId &	getId () const
	Will allow us to get this object's id. More...

const ossimObject *	getOwner () const
	Fetches the current owner, most likely a container but not limited to one. More...

virtual void	changeOwner (ossimObject *owner)
	Permits changing the object's owner. More...

virtual void	setDescription (const ossimString &description)

virtual ossimString	getDescription () const

virtual bool	isConnected (ossimConnectableObjectDirectionType direction=CONNECTABLE_DIRECTION_INPUT) const
	will check the direction specified to see if all slots are full. More...

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findConnectableObject(const ossimId &id))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(RTTItypeid typeId, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(const ossimString &obj, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findInputObjectOfType(const ossimString &className))

virtual ossim_int32	findInputIndex (const ossimConnectableObject *object)
	Return a valid index of the input list if the passed in object is found else return -1. More...

virtual ossim_int32	findInputIndex (const ossimId &id)
	Return a valid index of the input list if the passed id is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimConnectableObject *object)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimId &id)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	getMyInputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual ossim_int32	getMyOutputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual bool	canConnectMyOutputTo (ossim_int32 myOutputIndex, const ossimConnectableObject *object) const
	default implementation is to allow anyone to connect to us. More...

virtual void	disconnect (ossimConnectableObject *object=0)
	Will disconnect the object passed in. More...

virtual void	disconnect (const ossimId &id)
	Will disconnect the object passed in. More...

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyInput (ossim_int32 inputIndex, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given input index and generate a connection event. More...

virtual void	disconnectMyInput (ossimConnectableObject *input, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Finds the index of the passed in input and calls disconnectMyInput(inputIndex, disconnectOutputFlag, createEventFlag);. More...

virtual void	disconnectMyInputs (ConnectableObjectList &inputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyOutput (ossim_int32 outputIndex, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given output index and generate a connection event. More...

virtual void	disconnectMyOutput (ossimConnectableObject *output, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the output object. More...

virtual void	disconnectMyOutputs (ConnectableObjectList &outputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual void	disconnectAllInputs ()
	Will disconnect all of the input objects. More...

virtual void	disconnectAllOutputs ()
	Will disconnect all of the output objects. More...

virtual ossim_int32	connectMyInputTo (ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will try to connect this objects input to the passed in object. More...

virtual ossim_int32	connectMyInputTo (ossim_int32 inputIndex, ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will connect the specified input to the passed in object. More...

virtual bool	connectMyInputTo (ConnectableObjectList &inputList, bool makeOutputConnection=true, bool createEventFlag=true)

virtual ossim_int32	connectMyOutputTo (ossimConnectableObject *outputObject, bool makeInputConnection=true, bool createEventFlag=true)
	Will try to connect this objects output to the passed in object. More...

virtual bool	connectMyOutputTo (ConnectableObjectList &outputList, bool makeInputConnection=true, bool createEventFlag=true)

virtual bool	connectInputList (ConnectableObjectList &inputList)
	Will disconnect itself from all inputs and reset to the passed in input list. More...

virtual bool	connectOutputList (ConnectableObjectList &outputList)
	Will disconnect itself from all outputs and reset to the passed in output list. More...

virtual ossim_uint32	getNumberOfInputs () const
	Returns the number of input objects. More...

virtual ossim_uint32	getNumberOfOutputs () const
	Return the number of output objects. More...

ossimConnectableObject *	getInput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getInput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

ossimConnectableObject *	getOutput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getOutput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

virtual void	setNumberOfInputs (ossim_int32 numberOfInputs)
	Will set the number of inputs. More...

virtual bool	getInputListIsFixedFlag () const

virtual bool	getOutputListIsFixedFlag () const

virtual void	setNumberOfOutputs (ossim_int32 numberOfInputs)
	Will set the number of outputs. More...

const ConnectableObjectList &	getInputList () const

const ConnectableObjectList &	getOutputList () const

ConnectableObjectList &	getInputList ()

ConnectableObjectList &	getOutputList ()

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const RTTItypeid &typeInfo, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const ossimString &className, bool recurse=true))

virtual void	propagateEventToOutputs (ossimEvent &event)

virtual void	propagateEventToInputs (ossimEvent &event)

virtual void	setProperty (const ossimString &name, const ossimString &value)

virtual ossim_uint32	saveStateOfAllInputs (ossimKeywordlist &kwl, bool saveThisStateFlag=true, ossim_uint32 objectIndex=1, const char *prefix=0) const
	Save the state of all inputs to a keyword list. More...

virtual bool	fillContainer (ossimConnectableContainer &container)
	Inserts this object and all of its children and inputs into the container provided. More...

bool	moveInputUp (const ossimId &id)
	Moves the input connection matching id up one in the connection list. More...

bool	moveInputDown (const ossimId &id)
	Moves the input connection matching id down one in the connection list. More...

bool	moveInputToTop (const ossimId &id)
	Moves the input connection matching id to the top of the connection list. More...

bool	moveInputToBottom (const ossimId &id)
	Moves the input connection matching id to the bottom of the connection list. More...

virtual void	accept (ossimVisitor &visitor)
	We will add a visitor interface for all connectable objects. More...

Public Member Functions inherited from ossimObject
	ossimObject ()

virtual	~ossimObject ()

virtual ossimString	getShortName () const

virtual ossimString	getLongName () const

virtual ossimString	getClassName () const

virtual RTTItypeid	getType () const

virtual bool	canCastTo (ossimObject *obj) const

virtual bool	canCastTo (const RTTItypeid &id) const

virtual bool	canCastTo (const ossimString &parentClassName) const

virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const

Public Member Functions inherited from ossimReferenced
	ossimReferenced ()

	ossimReferenced (const ossimReferenced &)

ossimReferenced &	operator= (const ossimReferenced &)

void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

int	referenceCount () const

Public Member Functions inherited from ossimListenerManager
	ossimListenerManager ()

virtual	~ossimListenerManager ()

virtual void	fireEvent (ossimEvent &event)

virtual bool	addListener (ossimListener *listener)

virtual bool	removeListener (ossimListener *listener)

virtual bool	findListener (ossimListener *listener)

Public Member Functions inherited from ossimPropertyInterface
	ossimPropertyInterface ()

virtual	~ossimPropertyInterface ()

virtual ossimString	getPropertyValueAsString (const ossimString &name) const

void	getPropertyList (std::vector< ossimRefPtr< ossimProperty > > &propertyList) const

void	setProperties (std::vector< ossimRefPtr< ossimProperty > > &propertyList)

Public Member Functions inherited from ossimErrorStatusInterface
	ossimErrorStatusInterface ()

virtual	~ossimErrorStatusInterface ()

virtual ossimErrorCode	getErrorStatus () const

virtual ossimString	getErrorStatusString () const

virtual void	setErrorStatus (ossimErrorCode error_status) const

virtual void	setErrorStatus () const

virtual void	clearErrorStatus () const

bool	hasError () const

Public Member Functions inherited from ossimFileProcessorInterface
	ossimFileProcessorInterface ()
	default constructor More...

virtual	~ossimFileProcessorInterface ()
	virtual destructor. More...

Protected Member Functions
virtual	~ossimTiledElevationDatabase ()
	Protected destructor as this is derived from ossimRefenced. More...

Protected Member Functions inherited from ossimElevationDatabase
virtual	~ossimElevationDatabase ()

virtual double	getOffsetFromEllipsoid (const ossimGpt &gpt)

Protected Member Functions inherited from ossimElevSource
virtual	~ossimElevSource ()

	ossimElevSource ()
	Constructors/Destructors: More...

	ossimElevSource (const ossimElevSource &src)

Protected Member Functions inherited from ossimSource
	ossimSource (const ossimSource &rhs)

const ossimSource &	operator= (const ossimSource &rhs)

Protected Member Functions inherited from ossimConnectableObject
ossimConnectableObject *	findObjectOfType (ConnectableObjectList *connectableList, ossimVisitor &visitor)

Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Member Functions inherited from ossimListenerManager
	ossimListenerManager (const ossimListenerManager &rhs)

Private Member Functions
void	addEntry (const ossimTiledElevationEntry &entry)
	adds entry to the list checking for duplicates. More...

void	initializeReferenceProjection ()
	Initializes m_referenceProj from the first entry. More...

bool	isDirectoryBasedImage (ossimRefPtr< ossimImageHandler > ih)

bool	isCompatible (ossimImageHandler ih, ossimImageGeometry geom, ossimProjection *proj) const
	Check for match of the following against the first entry of: bands, projection, scalar type and scale. More...

void	getBoundingRect (ossimRefPtr< ossimImageGeometry > geom, ossimGrect &boundingRect) const
	Initialize bounding rectangle from image handler. More...

void	mapRegion ()
	Loads m_requestedRect into m_grid from m_entries. More...

template<class T >
void	fillGrid (T dummyTemplate, ossimRefPtr< ossimImageData > data)
	Templated fill grid method. More...

	ossimTiledElevationDatabase (const ossimTiledElevationDatabase &copy_this)
	Hidden from use copy constructor. More...

Private Attributes
std::vector< ossimTiledElevationEntry >	m_entries

ossimDblGrid *	m_grid
	Hold region of elevation. More...

ossimRefPtr< ossimProjection >	m_referenceProj
	Projection of the first entry. More...

ossimGrect	m_requestedRect

ossimGrect	m_entryListRect

ossimGrect	m_mappedRect

ossimFileWalker *	m_fileWalker

Additional Inherited Members
Public Types inherited from ossimConnectableObject
enum	ossimConnectableObjectDirectionType { CONNECTABLE_DIRECTION_NONE = 0, CONNECTABLE_DIRECTION_INPUT = 1, CONNECTABLE_DIRECTION_OUTPUT = 2 }

typedef std::vector< ossimRefPtr< ossimConnectableObject > >	ConnectableObjectList

Protected Attributes inherited from ossimElevationDatabase
ossimString	m_connectionString

ossimRefPtr< ossimGeoid >	m_geoid

ossim_float64	m_meanSpacing

Protected Attributes inherited from ossimElevSource
double	theMinHeightAboveMSL
	Data members: More...

double	theMaxHeightAboveMSL

double	theNullHeightValue

double	theSeaLevelValue

ossimGrect	theGroundRect

bool	theComputeStatsFlag

Protected Attributes inherited from ossimSource
bool	theEnableFlag

bool	theInitializedFlag

Protected Attributes inherited from ossimConnectableObject
ossimId	theId

ossimString	theDescription

ossimObject *	theOwner

bool	theInputListIsFixedFlag
	Indicates whether the theInputObjectList is fixed. More...

bool	theOutputListIsFixedFlag
	Indicates whether the theOutputObjectList is fixed. More...

ConnectableObjectList	theInputObjectList
	Holds a list of input objects. More...

ConnectableObjectList	theOutputObjectList
	Holds a list of output objects. More...

Protected Attributes inherited from ossimListenerManager
std::list< ossimListener * >	theListenerList

bool	theEnabledFlag

std::list< ossimListener * >	theDelayedAdd

std::list< ossimListener * >	theDelayedRemove

bool	theFireEventFlag

Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode	theErrorStatus

Detailed Description

Elevation source used for working with generic images opened by an ossimImageHandler.

This class is typically utilized through the ossimElevManager.

This class supplies a mapRegion method used to map a region of elevation to a grid. The grid in turn is used for the getHeightAboveMSL. This class is for applications that know their region of interest up front and want to bypass the ossimElevManager and grid the elevation prior to processing for speed. Can work on a file or a directory of files.

Definition at line 47 of file ossimTiledElevationDatabase.h.

Constructor & Destructor Documentation

◆ ossimTiledElevationDatabase() [1/2]

ossimTiledElevationDatabase::ossimTiledElevationDatabase ( )

default constructor

Definition at line 38 of file ossimTiledElevationDatabase.cpp.

References m_entryListRect, m_requestedRect, ossimGrect::makeNan(), and ossimElevSource::theGroundRect.

    :
    ossimElevationDatabase(),
    ossimFileProcessorInterface(), 
    m_entries(0),
    m_grid(0),
    m_referenceProj(0),
    m_requestedRect(),
    m_entryListRect(),
    m_fileWalker(0)
 {
    m_requestedRect.makeNan();
    m_entryListRect.makeNan();
 
    //---
    // Use the ossimElevSource::theGroundRect to hold the mapped rect expanded to even post
    // boundaries.
    //---
    theGroundRect.makeNan();
 }

◆ ~ossimTiledElevationDatabase()

ossimTiledElevationDatabase::~ossimTiledElevationDatabase ( )

protectedvirtual

Protected destructor as this is derived from ossimRefenced.

Definition at line 60 of file ossimTiledElevationDatabase.cpp.

References m_entries, m_fileWalker, m_grid, and m_referenceProj.

 {
    m_referenceProj = 0;   
    m_entries.clear();
    if ( m_grid )
    {
       delete m_grid;
       m_grid = 0;
    }
    if ( m_fileWalker )
    {
       delete m_fileWalker;
       m_fileWalker = 0;
    }
 }

◆ ossimTiledElevationDatabase() [2/2]

ossimTiledElevationDatabase::ossimTiledElevationDatabase ( const ossimTiledElevationDatabase & copy_this )

private

Hidden from use copy constructor.

Definition at line 634 of file ossimTiledElevationDatabase.cpp.

636 {

637 }

Member Function Documentation

◆ addEntry()

void ossimTiledElevationDatabase::addEntry ( const ossimTiledElevationEntry & entry )

private

adds entry to the list checking for duplicates.

Definition at line 297 of file ossimTiledElevationDatabase.cpp.

References ossimSingleImageChain::getFilename(), m_entries, and ossimTiledElevationDatabase::ossimTiledElevationEntry::m_sic.

 {
    bool result = true;
    std::vector<ossimTiledElevationEntry>::const_iterator i = m_entries.begin();
    while ( i != m_entries.end() )
    {
       if ( (*i).m_sic->getFilename() == entry.m_sic->getFilename() )
       {
          result = false; // In list already.
          break;
       }
       ++i;
    }
    if ( result )
    {
       m_entries.push_back(entry); // Add to list.
    }
 }

◆ close()

void ossimTiledElevationDatabase::close ( )

virtual

close method.

Unreferences all data.

Definition at line 106 of file ossimTiledElevationDatabase.cpp.

References ossimString::clear(), ossimElevationDatabase::m_connectionString, m_entries, m_entryListRect, ossimElevationDatabase::m_geoid, m_grid, ossimElevationDatabase::m_meanSpacing, m_referenceProj, m_requestedRect, ossimGrect::makeNan(), and ossimElevSource::theGroundRect.

 {
    m_entryListRect.makeNan();
    m_requestedRect.makeNan();
    theGroundRect.makeNan();
    m_referenceProj = 0;
    m_entries.clear();
    if ( m_grid )
    {
       delete m_grid;
       m_grid = 0;
    }
    m_meanSpacing = 0.0;
    m_geoid = 0;
    m_connectionString.clear();
 }

◆ dup()

virtual ossimObject* ossimTiledElevationDatabase::dup ( ) const

inlinevirtual

Implements ossimElevSource.

Definition at line 131 of file ossimTiledElevationDatabase.h.

References open().

    {
       ossimTiledElevationDatabase* duped = new ossimTiledElevationDatabase;
       duped->open(m_connectionString);
       return duped;
    }

◆ fillGrid()

template<class T >

void ossimTiledElevationDatabase::fillGrid	(	T	dummyTemplate,
		ossimRefPtr< ossimImageData >	data
	)

private

Templated fill grid method.

Definition at line 606 of file ossimTiledElevationDatabase.cpp.

References ossimImageData::getBuf(), ossimImageData::getHeight(), ossimImageData::getNullPix(), ossimImageData::getWidth(), m_grid, ossim::nan(), ossimDblGrid::setNode(), ossimRefPtr< T >::valid(), x, and y.

 {
    if ( data.valid() )
    {
       // Copy to grid reversing the lines as the ossimDblGrid's origin is the SW corner.
       const ossim_float64 NP  = data->getNullPix(0);
       const T* buf = static_cast<T*>(data->getBuf(0));
       if ( buf )
       {
          const ossimIpt SIZE( data->getWidth(), data->getHeight() );
          ossim_int32 bufIdx = (SIZE.y-1) * data->getWidth();
          ossim_int32 grdY = 0;
          for (ossim_int32 y = SIZE.y-1; y >= 0; --y)
          {
             for (ossim_int32 x = 0; x < SIZE.x; ++ x)
             {
                ossim_float64 v = static_cast<ossim_float64>(buf[bufIdx+x]);
                m_grid->setNode(x, grdY, (v!=NP?v:ossim::nan()) );
             }
             bufIdx -= data->getWidth();
             ++grdY;
          }
       }
    }
 }

◆ getAccuracyInfo()

bool ossimTiledElevationDatabase::getAccuracyInfo	(	ossimElevationAccuracyInfo &	info,
		const ossimGpt &
	)		const

inlinevirtual

Reimplemented from ossimElevationDatabase.

Definition at line 108 of file ossimTiledElevationDatabase.h.

References ossimElevationAccuracyInfo::makeNan().

    {
       info.makeNan();
       
       return false;
    }

◆ getBoundingRect()

void ossimTiledElevationDatabase::getBoundingRect	(	ossimRefPtr< ossimImageGeometry >	geom,
		ossimGrect &	boundingRect
	)		const

private

Initialize bounding rectangle from image handler.

Sets boundingRect to nan if ossimImageGeometry::getCornerGpts returns false.

Parameters

ih	Image handler.
boundingRect	Initialized by method.

Definition at line 466 of file ossimTiledElevationDatabase.cpp.

References ossimImageGeometry::getCornerGpts(), ossimGpt::lat, ossimGpt::lon, ossimGrect::makeNan(), and ossimRefPtr< T >::valid().

 {
    if ( geom.valid() )
    {
       std::vector<ossimGpt> corner(4);
       if ( geom->getCornerGpts(corner[0], corner[1], corner[2], corner[3]) )
       {
          ossimGpt ulGpt(corner[0]);
          ossimGpt lrGpt(corner[0]);
          for ( ossim_uint32 i = 1; i < 4; ++i )
          {
             if ( corner[i].lon < ulGpt.lon ) ulGpt.lon = corner[i].lon;
             if ( corner[i].lat > ulGpt.lat ) ulGpt.lat = corner[i].lat;
             if ( corner[i].lon > lrGpt.lon ) lrGpt.lon = corner[i].lon;
             if ( corner[i].lat < lrGpt.lat ) lrGpt.lat = corner[i].lat;
          }
          boundingRect = ossimGrect(ulGpt, lrGpt);
       }
       else
       {
          boundingRect.makeNan();
       }
    }
 }

◆ getHeightAboveEllipsoid()

double ossimTiledElevationDatabase::getHeightAboveEllipsoid ( const ossimGpt & gpt )

virtual

Get height above ellipsoid for point.

Satisfies pure virtual ossimElevSource::getHeightAboveMSL().

Returns: Height above MSL.

Reimplemented from ossimElevSource.

Definition at line 342 of file ossimTiledElevationDatabase.cpp.

References getHeightAboveMSL(), ossimElevationDatabase::getOffsetFromEllipsoid(), and ossim::nan().

 {
    double h = getHeightAboveMSL(gpt);
    if(h != ossim::nan())
    {
       h += getOffsetFromEllipsoid(gpt);
    }
    return h;
 }

◆ getHeightAboveMSL()

double ossimTiledElevationDatabase::getHeightAboveMSL ( const ossimGpt & gpt )

virtual

Get height above MSL for point.

Satisfies pure virtual ossimElevSource::getHeightAboveMSL().

Returns: Height above MSL.

Implements ossimElevSource.

Definition at line 333 of file ossimTiledElevationDatabase.cpp.

References ossimGpt::lat, ossimGpt::lon, m_grid, and ossim::nan().

Referenced by getHeightAboveEllipsoid().

 {
    if ( m_grid )
    {
       return (*m_grid)(gpt.lon, gpt.lat);
    }
    return ossim::nan();
 }

◆ initializeReferenceProjection()

void ossimTiledElevationDatabase::initializeReferenceProjection ( )

private

Initializes m_referenceProj from the first entry.

Definition at line 316 of file ossimTiledElevationDatabase.cpp.

References ossimImageHandler::getImageGeometry(), ossimImageGeometry::getProjection(), m_entries, m_referenceProj, and ossimRefPtr< T >::valid().

 {
    if ( m_entries.size() )
    {
       ossimRefPtr<ossimImageHandler> ih = m_entries[0].m_sic->getImageHandler();
       if ( ih.valid() )
       {
          ossimRefPtr<ossimImageGeometry> geom = ih->getImageGeometry();
          if ( geom.valid() )
          {
             m_referenceProj = geom->getProjection();
          }
          // else throw exception ??? (drb)
       }
    }
 }

◆ isCompatible()

bool ossimTiledElevationDatabase::isCompatible	(	ossimImageHandler *	ih,
		ossimImageGeometry *	geom,
		ossimProjection *	proj
	)		const

private

Check for match of the following against the first entry of: bands, projection, scalar type and scale.

Returns: true if good, false if not the same.

Definition at line 410 of file ossimTiledElevationDatabase.cpp.

References ossimRefPtr< T >::get(), ossimMapProjection::getDecimalDegreesPerPixel(), ossimProjection::getMetersPerPixel(), ossimMapProjection::getMetersPerPixel(), ossimImageSource::getNumberOfOutputBands(), ossimImageSource::getOutputScalarType(), ossimMapProjection::isGeographic(), m_entries, m_referenceProj, and ossimRefPtr< T >::valid().

 {
    //---
    // Check for match of the following against the first entry:
    // bands
    // projection
    // scalar type
    // scale
    //---
    bool result = false;
 
    if ( m_entries.size() && ih && geom && proj )
    {
       ossimRefPtr<const ossimImageHandler> entry0_ih = m_entries[0].m_sic->getImageHandler();
       
       // Check scalar type and bands.
       if ( (entry0_ih->getOutputScalarType() == ih->getOutputScalarType()) &&
            (entry0_ih->getNumberOfOutputBands() == ih->getNumberOfOutputBands()) )
       {
          // Check the scale.
          ossimRefPtr<const ossimMapProjection> mapProj =
             dynamic_cast<const ossimMapProjection*>(proj);
          if ( mapProj.valid() )
          {
             ossimRefPtr<const ossimMapProjection> refMapProj =
                dynamic_cast<const ossimMapProjection*>(m_referenceProj.get());
             
             if ( mapProj->isGeographic() )
             {
                if ( refMapProj->getDecimalDegreesPerPixel() ==
                     mapProj->getDecimalDegreesPerPixel() )
                {
                   result = true;
                }
                else if ( refMapProj->getMetersPerPixel() ==
                          mapProj->getMetersPerPixel() )
                {
                   result = true;
                }
             }
          }
          else // sensor model
          {
             if ( proj->getMetersPerPixel() == m_referenceProj->getMetersPerPixel() )
             {
                result = true;
             }
          }
       }
    }
    
    return result;
 }

◆ isDirectoryBasedImage()

bool ossimTiledElevationDatabase::isDirectoryBasedImage ( ossimRefPtr< ossimImageHandler > ih )

private

Returns: true if file is a directory based image and the stager should go on to next directory; false if stager should continue with directory.

Definition at line 394 of file ossimTiledElevationDatabase.cpp.

References ossimObject::getClassName(), and ossimRefPtr< T >::valid().

 {
    bool result = false;
    if ( ih.valid() )
    {
       // Get the image handler name.
       ossimString imageHandlerName = ih->getClassName();
       if ( (imageHandlerName == "ossimAdrgTileSource") ||
            (imageHandlerName == "ossimCibCadrgTileSource") )  
       {
          result = true;
       }
    }
    return result;
 }

◆ loadState()

bool ossimTiledElevationDatabase::loadState	(	const ossimKeywordlist &	kwl,
		const char *	prefix = `0`
	)

virtual

Initialize from keyword list.

Reimplemented from ossimElevationDatabase.

Definition at line 361 of file ossimTiledElevationDatabase.cpp.

 {
    static const char M[] = "ossimTiledElevationDatabase::loadState";
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << M << " entered..." << "\nkwl:\n" << kwl << "\n";
    }     
    bool result = false;
    const char* lookup = kwl.find(prefix, "type");
    if ( lookup )
    {
       std::string type = lookup;
       if ( ( type == "image_directory" ) || ( type == "ossimTiledElevationDatabase" ) )
       {
          result = ossimElevationDatabase::loadState(kwl, prefix);
       }
    }
 
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " result=" << (result?"true\n":"false\n");
    }
 
    return result;
 }

◆ mapRegion() [1/2]

void ossimTiledElevationDatabase::mapRegion ( const ossimGrect & region )

Maps elevation data for region to a grid.

This uses connectionString passed to open method as starting point.

Definition at line 123 of file ossimTiledElevationDatabase.cpp.

 {
    static const char M[] = "ossimTiledElevationDatabase::mapRegion";
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << M << " entered...\n" << "region: " << region << "\n";
    }
    
    if ( m_connectionString.size() )
    {
       // Wrap in try catch block as excptions can be thrown under the hood.
       try
       {
          m_requestedRect = region;
          
          ossimFilename f = m_connectionString;
          if ( f.exists() )
          {
             if ( !m_fileWalker )
             {
                m_fileWalker = new ossimFileWalker();
                m_fileWalker->initializeDefaultFilterList();
 
                m_fileWalker->setNumberOfThreads( ossim::getNumberOfThreads() );
 
                // Must set this so we can stop recursion on directory based images.
                m_fileWalker->setWaitOnDirFlag( true );
 
                // This links the file walker back to our "processFile" method.
                m_fileWalker->setFileProcessor( this );
             }
 
             // Walk the directory:
             m_fileWalker->walk(f);
 
             mapRegion();
          }
          else
          {
             ossimNotify(ossimNotifyLevel_WARN)
                << M << " ERROR: Connection string does not exists: "
                << m_connectionString.c_str()  << endl;
          }
       }
       catch (const ossimException& e)
       {
          ossimNotify(ossimNotifyLevel_WARN)
             << "Caught exception: " << e.what() << endl;
          m_entries. clear();
       }
 
       // cleanup:
       if ( m_fileWalker )
       {
          delete m_fileWalker;
          m_fileWalker = 0;
       }
 }
 
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " exited...\n";
    }
 }

◆ mapRegion() [2/2]

void ossimTiledElevationDatabase::mapRegion ( )

private

Loads m_requestedRect into m_grid from m_entries.

Definition at line 491 of file ossimTiledElevationDatabase.cpp.

References ossimConnectableObject::connectMyInputTo(), ossimImageData::getHeight(), ossimOrthoImageMosaic::getImageGeometry(), ossimImageMosaic::getTile(), ossimImageData::getWidth(), ossimDblGrid::initialize(), ossimGrect::isLonLatNan(), ossimGpt::lat, ossimImageGeometry::localToWorld(), ossimGpt::lon, ossimGrect::lr(), m_entries, m_grid, m_requestedRect, ossim::nan(), ossimElevSource::theGroundRect, ossimGrect::ul(), ossimRefPtr< T >::valid(), ossimImageGeometry::worldToLocal(), ossimDpt::x, and ossimDpt::y.

 {
    static const char M[] = "ossimTiledElevationDatabase::mapRegion";
    
    if ( m_entries.size() && ( m_requestedRect.isLonLatNan() == false ) )
    {
       ossimRefPtr<ossimOrthoImageMosaic> mosaic = new ossimOrthoImageMosaic();
       std::vector<ossimTiledElevationEntry>::iterator i = m_entries.begin();
       while ( i != m_entries.end() )
       {
          mosaic->connectMyInputTo( (*i).m_sic.get() );
          ++i;
       }
 
       // Compute the requested rectangle in view space.
       ossimRefPtr<ossimImageGeometry> geom = mosaic->getImageGeometry();
       if ( geom.valid() )
       {
          ossimDpt ulDpt;
          ossimDpt lrDpt;
          geom->worldToLocal(m_requestedRect.ul(), ulDpt);
          geom->worldToLocal(m_requestedRect.lr(), lrDpt);
 
          // Expand out to fall on even view coordinates.
          ulDpt.x = std::floor(ulDpt.x);
          ulDpt.y = std::floor(ulDpt.y);
          lrDpt.x = std::ceil(lrDpt.x);
          lrDpt.y = std::floor(lrDpt.y);
 
          // Get new(expanded) corners in ground space.
          ossimGpt ulGpt;
          ossimGpt lrGpt;
          geom->localToWorld(ulDpt, ulGpt);
          geom->localToWorld(lrDpt, lrGpt);
          theGroundRect = ossimGrect(ulGpt, lrGpt);
             
          // Expanded requested rect in view space.
          ossimIpt ulIpt = ulDpt;
          ossimIpt lrIpt = lrDpt;
          const ossimIrect VIEW_RECT(ulIpt, lrIpt);
 
          // Get the data.
          ossimRefPtr<ossimImageData> data = mosaic->getTile(VIEW_RECT, 0);
          if ( data.valid() )
          {
             // Initialize the grid:
             const ossimIpt SIZE( data->getWidth(), data->getHeight() );
             const ossimDpt ORIGIN(ulGpt.lon, lrGpt.lat); // SouthWest corner
             const ossimDpt SPACING( (lrGpt.lon-ulGpt.lon)/(SIZE.x-1),
                                     (ulGpt.lat-lrGpt.lat)/(SIZE.y-1) );
             if ( !m_grid ) m_grid = new ossimDblGrid();
             m_grid->initialize(SIZE, ORIGIN, SPACING, ossim::nan());
 
             if ( traceDebug() )
             {
                ossimNotify(ossimNotifyLevel_DEBUG)
                   << M
                   << "\nrequested view rect: " << VIEW_RECT
                   << "\nexpanded ground rect: " << theGroundRect
                   << "\norigin:  " << ORIGIN
                   << "\nsize:    " << SIZE
                   << "\nspacing: " << SPACING << std::endl;
             }
 
             // Fill the grid:
             switch( data->getScalarType() )
             {
                case OSSIM_SINT16:
                {
                   fillGrid(ossim_sint16(0), data);
                   break;
                }
                case OSSIM_SINT32:
                {
                   fillGrid(ossim_sint32(0), data);
                   break;
                }
                case OSSIM_FLOAT32:
                {
                   fillGrid(ossim_float32(0), data);
                   break;
                }
                case OSSIM_FLOAT64:
                {
                   fillGrid(ossim_float64(0), data);
                   break;
                }
                case OSSIM_UINT8:
                case OSSIM_SINT8:
                case OSSIM_USHORT11:
                case OSSIM_USHORT12:
                case OSSIM_USHORT13:
                case OSSIM_USHORT14:
                case OSSIM_USHORT15:
                case OSSIM_UINT16:
                case OSSIM_UINT32:
                case OSSIM_NORMALIZED_DOUBLE:
                case OSSIM_NORMALIZED_FLOAT:
                case OSSIM_SCALAR_UNKNOWN:
                default:
                {
                   std::string errMsg = M;
                   errMsg += " ERROR:\nUnhandled scalar type: ";
                   errMsg += data->getScalarTypeAsString().string();
                   throw ossimException(errMsg);
                }
             }
             
          } // if ( data.valid() )
 
       } // if ( geom.valid() )
 
    } // if ( m_entries.size() && ...
 }

◆ open()

bool ossimTiledElevationDatabase::open ( const ossimString & connectionString )

virtual

Open a connection to a database.

Parameters

connectionString File or directory to open. In most cases this will point to a directory containing DEMs. Satisfies pure virtual ossimElevationDatabase::open().

Returns: true on success, false on error.

Implements ossimElevationDatabase.

Definition at line 76 of file ossimTiledElevationDatabase.cpp.

Referenced by dup().

 {
    static const char M[] = "ossimTiledElevationDatabase::open";
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << M << " entered...\n"
          << "\nConnection string: " << connectionString << "\n";
    }                   
    
    bool result = false;
 
    close();
 
    if ( connectionString.size() )
    {
       m_connectionString = connectionString.c_str();
       result = true;
    }
 
    if ( m_entries.size() ) result = true;
    
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " result=" << (result?"true\n":"false\n");
    }
 
    return result;
 }

◆ pointHasCoverage()

bool ossimTiledElevationDatabase::pointHasCoverage ( const ossimGpt & gpt ) const

virtual

Satisfies pure virtual ossimElevSource::pointHasCoverage.

Returns: true if database has coverage for point.

Implements ossimElevSource.

Definition at line 352 of file ossimTiledElevationDatabase.cpp.

References ossimGrect::isLonLatNan(), ossimGrect::pointWithin(), and ossimElevSource::theGroundRect.

 {
    if ( theGroundRect.isLonLatNan() == false)
    {
       return theGroundRect.pointWithin(gpt);
    }
    return false;
 }

◆ print()

std::ostream & ossimTiledElevationDatabase::print ( std::ostream & out ) const

virtual

Outputs theErrorStatus as an ossimErrorCode and an ossimString.

Returns: std::ostream&

Note: Derived classes should only have to implement a virtual print, not an operator<< funtion as it's implemented here.

Reimplemented from ossimElevationDatabase.

Definition at line 651 of file ossimTiledElevationDatabase.cpp.

References saveState().

 {
    ossimKeywordlist kwl;
    saveState(kwl,0);
    out << "\nossimTiledElevationDatabase @ "<< (ossim_uint64) this << "\n"
          << kwl <<ends;
    return out;
 }

◆ processFile()

void ossimTiledElevationDatabase::processFile ( const ossimFilename & file )

virtual

ProcessFile method.

Satisfies pure virtual ossimFileProcessorInterface::processFile.

This method is linked to the ossimFileWalker::walk method via a callback mechanism. It is called by the ossimFileWalk (caller). This class (callee) sets recurse and return flags accordingly to control the ossimFileWalker, e.g. don't recurse, stop altogether.

Parameters

file	to process.

Implements ossimFileProcessorInterface.

Definition at line 189 of file ossimTiledElevationDatabase.cpp.

 {
    static const char M[] = "ossimTiledElevationDatabase::processFile";
    if(traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << M << " entered...\n" << "file: " << file << "\n";
    }
 
    ossimRefPtr<ossimSingleImageChain> sic = new ossimSingleImageChain();
    if ( sic->open(file, false) ) // False for do not open overviews.
    {
       if ( isDirectoryBasedImage( sic->getImageHandler() ) )
       {
          // Tell the walker not to recurse this directory.
          m_fileWalker->setRecurseFlag(false);
       }
      
       ossimRefPtr<ossimImageHandler> ih = sic->getImageHandler();
       if ( ih.valid() && (m_requestedRect.isLonLatNan() == false) )
       {
          ossimRefPtr<ossimImageGeometry> geom = ih->getImageGeometry();
          if ( geom.valid() == false )
          {
             std::string errMsg = M;
             errMsg += " ERROR:\nNo image geometry for image: ";
             errMsg += ih->getFilename().string();
             throw ossimException(errMsg);
          }
          
          ossimRefPtr<ossimProjection> proj = geom->getProjection();
          if ( proj.valid() == false )
          {
             std::string errMsg = M;
             errMsg += " ERROR:\nNo image projection for image: ";
             errMsg += ih->getFilename().string();
             throw ossimException(errMsg);
          }
          
          // Get the bounding rect:
          ossimGrect boundingRect;
          getBoundingRect(geom, boundingRect);
          
          if ( boundingRect.isLonLatNan() )
          {
             std::string errMsg = M;
             errMsg += " ERROR:\nBounding rect has nans for image: ";
             errMsg += ih->getFilename().string();
             throw ossimException(errMsg); 
          }
          
          if ( boundingRect.intersects(m_requestedRect) )
          {
             bool addEntryToList = false;
             
             if ( m_entries.size() == 0 ) // First time through.
             {
                addEntryToList = true;
                m_entryListRect = boundingRect;
                m_referenceProj = proj;
                m_meanSpacing = (geom->getMetersPerPixel().x + geom->getMetersPerPixel().y) / 2.0;
             }
             else 
             {
                addEntryToList = isCompatible( ih.get(), geom.get(), proj.get() );
                if ( addEntryToList )
                {
                   // Expand the rectangle.
                   m_entryListRect.combine(boundingRect);
                }
             }
             
             if ( addEntryToList )
             {
                // If we're keeping it add a cache to the chain.
                sic->addCache();
                
                //---
                // Create the entry and give to addEntry which checks for duplicates in case
                // mapRegion was called consecutively.
                //---
                ossimTiledElevationEntry entry(boundingRect, sic);
                addEntry(entry);
 
                // Once the requested rect is filled abort the file walk.
                if ( m_requestedRect.completely_within( m_entryListRect ) )
                {
                   m_fileWalker->setAbortFlag(true);
                }
             }
          }
       }
       else
       {
          std::string errMsg = M;
          errMsg += " ERROR:\nNo image geometry for image: ";
          errMsg += ih->getFilename().string();
          throw ossimException(errMsg);
       }
    }
 
    if(traceDebug())
    {
       // Since ossimFileWalker is threaded output the file so we know which job exited.
       ossimNotify(ossimNotifyLevel_DEBUG) << M << "\nfile: " << file << "\nexited...\n";
    }   
 }

◆ saveState()

bool ossimTiledElevationDatabase::saveState	(	ossimKeywordlist &	kwl,
		const char *	prefix = `0`
	)		const

virtual

Save the state to a keyword list.

Reimplemented from ossimElevationDatabase.

Definition at line 388 of file ossimTiledElevationDatabase.cpp.

References ossimElevationDatabase::saveState().

Referenced by print().

 {
    return ossimElevationDatabase::saveState(kwl, prefix);
 }

Member Data Documentation

◆ m_entries

std::vector<ossimTiledElevationEntry> ossimTiledElevationDatabase::m_entries

private

Definition at line 205 of file ossimTiledElevationDatabase.h.

Referenced by addEntry(), close(), initializeReferenceProjection(), isCompatible(), mapRegion(), and ~ossimTiledElevationDatabase().

◆ m_entryListRect

ossimGrect ossimTiledElevationDatabase::m_entryListRect

private

Definition at line 214 of file ossimTiledElevationDatabase.h.

Referenced by close(), and ossimTiledElevationDatabase().

◆ m_fileWalker

ossimFileWalker* ossimTiledElevationDatabase::m_fileWalker

private

Definition at line 217 of file ossimTiledElevationDatabase.h.

Referenced by ~ossimTiledElevationDatabase().

◆ m_grid

ossimDblGrid* ossimTiledElevationDatabase::m_grid

private

Hold region of elevation.

Definition at line 208 of file ossimTiledElevationDatabase.h.

Referenced by close(), fillGrid(), getHeightAboveMSL(), mapRegion(), and ~ossimTiledElevationDatabase().

◆ m_mappedRect

ossimGrect ossimTiledElevationDatabase::m_mappedRect

private

Definition at line 215 of file ossimTiledElevationDatabase.h.

◆ m_referenceProj

ossimRefPtr<ossimProjection> ossimTiledElevationDatabase::m_referenceProj

private

Projection of the first entry.

Stored for convenience.

Definition at line 211 of file ossimTiledElevationDatabase.h.

Referenced by close(), initializeReferenceProjection(), isCompatible(), and ~ossimTiledElevationDatabase().

◆ m_requestedRect

ossimGrect ossimTiledElevationDatabase::m_requestedRect

private

Definition at line 213 of file ossimTiledElevationDatabase.h.

Referenced by close(), mapRegion(), and ossimTiledElevationDatabase().

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

Classes

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimTiledElevationDatabase() [1/2]

◆ ~ossimTiledElevationDatabase()

◆ ossimTiledElevationDatabase() [2/2]

Member Function Documentation

◆ addEntry()

◆ close()

◆ dup()

◆ fillGrid()

◆ getAccuracyInfo()

◆ getBoundingRect()

◆ getHeightAboveEllipsoid()

◆ getHeightAboveMSL()

◆ initializeReferenceProjection()

◆ isCompatible()

◆ isDirectoryBasedImage()

◆ loadState()

◆ mapRegion() [1/2]

◆ mapRegion() [2/2]

◆ open()

◆ pointHasCoverage()

◆ print()

◆ processFile()

◆ saveState()

Member Data Documentation

◆ m_entries

◆ m_entryListRect

◆ m_fileWalker

◆ m_grid

◆ m_mappedRect

◆ m_referenceProj

◆ m_requestedRect