This class defines an abstract Handler which all image handlers(loaders) should derive from. More...

#include <ossimTiledImageHandler.h>

Inheritance diagram for ossimTiledImageHandler:

Classes
class	ossimTileFile
	Class for record of one tile file: More...

Public Member Functions
	ossimTiledImageHandler ()
	Constructor (default): More...

virtual	~ossimTiledImageHandler ()
	Destructor: More...

virtual bool	open ()=0

*virtual void	close ()
	Deletes the overview and clears the valid image vertices. More...

virtual bool	isOpen () const
	Derived classes must implement this method to be concrete. More...

virtual ossim_uint32	getNumberOfInputBands () const

virtual ossim_uint32	getNumberOfLines (ossim_uint32 resLevel=0) const

virtual ossim_uint32	getNumberOfSamples (ossim_uint32 resLevel=0) const

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	Method to save the state of an object to a keyword list. More...

virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
	Method to the load (recreate) the state of an object from a keyword list. More...

virtual bool	isImageTiled () const
	Indicates whether or not the image is tiled internally. More...

virtual ossim_uint32	getImageTileWidth () const
	Returns the tile width of the image or 0 if the image is not tiled. More...

virtual ossim_uint32	getImageTileHeight () const
	Returns the tile height of the image or 0 if the image is not tiled. More...

virtual ossimRefPtr< ossimImageData >	getTile (const ossimIrect &rect, ossim_uint32 resLevel)
	Fills the requested tile by pulling pixels from multiple file tiles as needed. More...

virtual ossimScalarType	getOutputScalarType () const
	Returns scalar type of first tile (should be the same for all tiles) More...

virtual ossimIrect	getImageRectangle (ossim_uint32 resLevel=0) const
	Returns overall bounding rect in image space. More...

Public Member Functions inherited from ossimImageHandler
	ossimImageHandler ()
	Constructor (default): More...

virtual	~ossimImageHandler ()
	Destructor: Derived classes should implement. More...

virtual void	initialize ()
	initialize Does nothing in this class. More...

virtual bool	openOverview ()
	Searches for an overview. More...

virtual bool	openOverview (const ossimFilename &overview_file)
	Calls closeOverview(), then attempts to open the overview_file. More...

virtual void	closeOverview ()
	If theOverview is initialized it will be deleted and set to NULL. More...

virtual const ossimImageHandler *	getOverview () const

virtual bool	hasOverviews () const

virtual ossimFilename	createDefaultOverviewFilename () const

virtual ossimFilename	createDefaultGeometryFilename () const

virtual ossimFilename	createDefaultMetadataFilename () const

virtual ossimFilename	createDefaultHistogramFilename () const

virtual ossimFilename	createDefaultValidVerticesFilename () const

virtual bool	writeValidImageVertices (const std::vector< ossimIpt > &vertices, const ossimFilename &file=ossimFilename(""))
	Outputs vertices to file and updates the internal vertex array variable "theValidImageVertices". More...

virtual bool	openValidVertices (const ossimFilename &vertices_file)
	Opens the valid image vertices file and sets theValidImageVerticesFile variable. More...

virtual bool	openValidVertices ()
	Creates vertices file name based on image, then tries to open. More...

virtual bool	open (const ossimFilename &imageFile, ossim_uint32 entryIndex)
	Opens the image file. More...

virtual bool	open (const ossimFilename &imageFile)

virtual bool	open (std::shared_ptr< ossim::ImageHandlerState > state)

virtual bool	buildHistogram (int numberOfRLevels=0, ossimHistogramMode mode=OSSIM_HISTO_MODE_NORMAL)
	Build a histogram for image file. More...

virtual bool	buildAllHistograms (int numberOfRLevels=0, ossimHistogramMode mode=OSSIM_HISTO_MODE_NORMAL)
	Build a histograms for all image entries. More...

virtual bool	buildOverview (ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build over file for theImageFile. More...

virtual bool	buildAllOverviews (ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build over file for all image entries. More...

virtual bool	buildOverview (const ossimFilename &filename, ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build an over file for filename. More...

ossimRefPtr< ossimMultiResLevelHistogram >	getImageHistogram () const
	Fetches the current entry image's histogram. More...

virtual ossimRefPtr< ossimImageGeometry >	getImageGeometry ()
	Returns the image geometry object associated with this tile source or NULL if non defined. More...

virtual void	setImageGeometry (ossimImageGeometry *geom)
	Sets the image geometry object. More...

virtual void	saveImageGeometry () const
	Saves the image geometry to a file that will be made based on the image file name. More...

virtual void	saveImageGeometry (const ossimFilename &geometry_file) const
	Saves the image geometry to a file that will be made based on the image file name. More...

virtual ossimIrect	getBoundingRect (ossim_uint32 resLevel=0) const
	Returns zero-based bounding rectangle of the image. More...

virtual void	getDecimationFactor (ossim_uint32 resLevel, ossimDpt &result) const

virtual void	getDecimationFactors (vector< ossimDpt > &decimations) const
	This returns all decimation for all levels. More...

virtual ossim_uint32	getNumberOfDecimationLevels () const
	This returns the total number of decimation levels. More...

virtual ossim_uint32	getNumberOfReducedResSets () const
	This method is obsolete. More...

virtual void	setFilename (const ossimFilename &filename)
	Sets the filename. More...

virtual const ossimFilename &	getFilename () const
	Returns the filename. More...

virtual bool	isValidRLevel (ossim_uint32 resLevel) const
	Determines if the passed in reslution level is valid. More...

bool	canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
	Connection rule. More...

virtual void	getValidImageVertices (vector< ossimIpt > &validVertices, ossimVertexOrdering ordering=OSSIM_CLOCKWISE_ORDER, ossim_uint32 resLevel=0) const
	ordering specifies how the vertices should be arranged. More...

virtual bool	isBandSelector () const
	Indicates whether or not the image handler can control output band selection via the setOutputBandList method. More...

virtual bool	setOutputBandList (const std::vector< ossim_uint32 > &band_list)
	If the image handler "isBandSeletor()" then the band selection of the output chip can be controlled. More...

virtual bool	setOutputToInputBandList ()
	If the image handler "isBandSeletor()" then the band selection of the output are set to input or identity. More...

virtual bool	isIdentityBandList (const std::vector< ossim_uint32 > &bandList) const
	Convenience method to see if band list is identity. More...

virtual bool	hasMetaData () const

virtual ossimRefPtr< ossimNBandLutDataObject >	getLut () const

virtual bool	hasLut () const

virtual void	loadMetaData ()
	There is an external file with an omd extension. More...

virtual double	getMinPixelValue (ossim_uint32 band=0) const
	Retuns the min pixel value. More...

virtual double	getMaxPixelValue (ossim_uint32 band=0) const
	Returns the max pixel of the band. More...

virtual double	getNullPixelValue (ossim_uint32 band=0) const
	Each band has a null pixel associated with it. More...

virtual void	setMinPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set min pixel value. More...

virtual void	setMaxPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set max pixel value. More...

virtual void	setNullPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set null pixel value. More...

virtual ossim_uint32	getCurrentEntry () const

virtual ossim_uint32	getNumberOfEntries () const

virtual void	getEntryName (ossim_uint32 entryIdx, std::string &name) const
	Get the name of entry as a string. More...

virtual void	getEntryList (std::vector< ossim_uint32 > &entryList) const

virtual void	getEntryNames (std::vector< ossimString > &entryNames) const

bool	useEntryIndex () const
	Convenience method to determine if entry index should be used for support files, e.g. More...

ossimFilename	getOverviewFile () const

virtual bool	setCurrentEntry (ossim_uint32 entryIdx)

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

ossimFilename	getFilenameWithThisExtension (const ossimString &ext, bool set_e0_prefix=false) const
	Returns the image file with extension set using supplentary directory for dirname if set. More...

void	getFilenameWithThisExt (const ossimString &ext, ossimFilename &f) const
	Returns the image file with extension set using supplentary directory for dirname if set. More...

ossim_uint32	getStartingResLevel () const

void	setStartingResLevel (ossim_uint32 level)

bool	getOpenOverviewFlag () const

void	setOpenOverviewFlag (bool flag)
	Sets theOpenOverviewFlag. More...

virtual void	setSupplementaryDirectory (const ossimFilename &dir)
	Sets the supplementary directory. More...

virtual const ossimFilename &	getSupplementaryDirectory () const
	Returns the supplementary directory. More...

const ossimString &	getImageID () const
	Fetches the image ID. More...

void	setImageID (const ossimString &id)
	Sets the image ID in case it is externally generated. More...

ossimPixelType	getPixelType () const
	Returns the raster pixel alignment type. More...

virtual bool	getRgbBandList (std::vector< ossim_uint32 > &bandList) const
	Convenience method to get the zero based rgb output band list. More...

template<class T >
std::shared_ptr< T >	getStateAs ()

template<class T >
std::shared_ptr< const T >	getStateAs () const

std::shared_ptr< ossim::ImageHandlerState >	getState ()

std::shared_ptr< const ossim::ImageHandlerState >	getState () const

void	setState (std::shared_ptr< ossim::ImageHandlerState > state)

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

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

virtual	~ossimImageSource ()

virtual ossimRefPtr< ossimImageData >	getTile (const ossimIpt &origin, ossim_uint32 resLevel=0)

virtual bool	getTile (ossimImageData *result, ossim_uint32 resLevel=0)
	Method to get a tile. More...

virtual ossimObject *	getObject ()
	For RTTI support. More...

virtual const ossimObject *	getObject () const
	For RTTI support. More...

virtual void	getDecimationFactors (std::vector< ossimDpt > &decimations) const
	Will return an array of all decimations for each resolution level. More...

virtual ossim_uint32	getNumberOfOutputBands () const
	Returns the number of bands in a tile returned from this TileSource. More...

virtual void	getOutputBandList (std::vector< ossim_uint32 > &bandList) const
	Initializes bandList. More...

virtual ossim_uint32	getTileWidth () const
	Returns the default processing tile width. More...

virtual ossim_uint32	getTileHeight () const
	Returns the default processing tile height. More...

virtual void	getBoundingRect (ossimIrect &rect, ossim_uint32 resLevel=0) const
	Gets the bounding rectangle of the source. More...

virtual void	getValidImageVertices (std::vector< ossimIpt > &validVertices, ossimVertexOrdering ordering=OSSIM_CLOCKWISE_ORDER, ossim_uint32 resLevel=0) const
	ordering specifies how the vertices should be arranged. More...

virtual void	setImageGeometry (const ossimImageGeometry *geom)
	Default implementation sets geometry of the first input to the geometry specified. More...

virtual bool	isIndexedData () const

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

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 ossimObject *	dup () const

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

Protected Member Functions
void	allocate ()
	Initialize tile buffer to match image datatype. More...

Protected Member Functions inherited from ossimImageHandler
virtual ossimRefPtr< ossimImageGeometry >	getExternalImageGeometry () const
	Returns the image geometry object associated with this tile source or NULL if non defined. More...

virtual ossimRefPtr< ossimImageGeometry >	getInternalImageGeometry () const

virtual bool	getOverviewTile (ossim_uint32 resLevel, ossimImageData *result)
	Method to get an overview tile. More...

bool	initVertices (const char *file)
	Opens file and attempts to initialize the valid image vertices. More...

virtual void	completeOpen ()
	Will complete the opening process. More...

void	initImageParameters (ossimImageGeometry *geom) const
	Convenience method to set things needed in the image geometry from the image handler. More...

virtual void	establishDecimationFactors ()
	Virtual method determines the decimation factors at each resolution level. More...

virtual bool	setOutputBandList (const std::vector< ossim_uint32 > &inBandList, std::vector< ossim_uint32 > &outBandList)
	Convenience method to set output band list. More...

void	getFilenameWithNoExtension (ossimFilename &f) const
	Get filename with no extension, using supplentary directory for dirname if set. More...

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

const ossimImageSource &	operator= (const ossimImageSource &)

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)

Protected Attributes
vector< ossimTileFile >	m_tileFiles

ossimRefPtr< ossimImageData >	m_tile

ossimRefPtr< ossimImageData >	m_blankTile

ossimIrect	m_fullImgRect

ossim_uint32	m_startOvrResLevel

Protected Attributes inherited from ossimImageHandler
ossimFilename	theImageFile

ossimFilename	theOverviewFile

ossimFilename	theSupplementaryDirectory

ossimRefPtr< ossimImageHandler >	theOverview

vector< ossimIpt >	theValidImageVertices

ossimImageMetaData	theMetaData

ossimRefPtr< ossimImageGeometry >	theGeometry

ossimRefPtr< ossimNBandLutDataObject >	theLut

std::vector< ossimDpt >	theDecimationFactors

ossimString	theImageID

ossim_uint32	theStartingResLevel
	theStartingResLevel If set to something other than zero(default) this is indicative that the reader is an overview. More...

bool	theOpenOverviewFlag
	If true opening of overviews will be attempted. More...

ossimPixelType	thePixelType

std::shared_ptr< ossim::ImageHandlerState >	m_state

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

Additional Inherited Members
Public Types inherited from ossimImageHandler
enum	ossimImageHandlerOverviewCompressionType { OSSIM_OVERVIEW_COMPRESSION_NONE = 0, OSSIM_OVERVIEW_COMPRESSION_JPEG, OSSIM_OVERVIEW_COMPRESSION_LZW, OSSIM_OVERVIEW_COMPRESSION_DEFLATE, OSSIM_OVERVIEW_COMPRESSION_PACKBITS }

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

Detailed Description

This class defines an abstract Handler which all image handlers(loaders) should derive from.

Definition at line 30 of file ossimTiledImageHandler.h.

Constructor & Destructor Documentation

◆ ossimTiledImageHandler()

ossimTiledImageHandler::ossimTiledImageHandler ( )

Constructor (default):

Definition at line 43 of file ossimTiledImageHandler.cpp.

    : m_tileFiles(0),
      m_tile(0),
      m_fullImgRect(),
 #if USING_SUB_OVRS
      m_startOvrResLevel(-1),
      m_lockSubOvrs(false)
 #else
      m_startOvrResLevel(1)
 #endif
 {
 }

◆ ~ossimTiledImageHandler()

ossimTiledImageHandler::~ossimTiledImageHandler ( )

virtual

Destructor:

Definition at line 59 of file ossimTiledImageHandler.cpp.

References close().

 {
    close();
 }

Member Function Documentation

◆ allocate()

void ossimTiledImageHandler::allocate ( )

protected

Initialize tile buffer to match image datatype.

Initialize tile buffer to natch image datatype.

Definition at line 94 of file ossimTiledImageHandler.cpp.

References ossimImageData::dup(), ossimImageHandler::getBoundingRect(), ossimImageSource::getTileHeight(), ossimImageSource::getTileWidth(), m_tile, m_tileFiles, ossimNotify(), ossimNotifyLevel_FATAL, ossimIrect::set_lr(), and ossimRefPtr< T >::valid().

Referenced by getTile().

 {
    m_tile = 0;
    if ((m_tileFiles.size() == 0))
       return;
 
    // Just copy the image data tile of the first tile-file:
    ossimRefPtr<ossimImageHandler> h0 = m_tileFiles[0].imageHandler;
    ossimIrect rect (h0->getBoundingRect());
    rect.set_lr(rect.ul() + ossimIpt(h0->getTileWidth()-1, h0->getTileHeight()-1));
    ossimRefPtr<ossimImageData> source_tile = m_tileFiles[0].imageHandler->getTile(rect);
    if (!source_tile.valid())
    {
       ossimNotify(ossimNotifyLevel_FATAL) << "ossimTiledImageHandler::allocate() -- Could not"
          "determine file-tile image data for allocating image tile. Aborting."<<endl;
       return;
    }
 
    m_tile = (ossimImageData*) source_tile->dup();
 }

◆ close()

void ossimTiledImageHandler::close ( )

virtual

Deletes the overview and clears the valid image vertices.

Derived classes should implement.

Reimplemented from ossimImageHandler.

Definition at line 68 of file ossimTiledImageHandler.cpp.

References m_tileFiles.

Referenced by ~ossimTiledImageHandler().

 {
    vector<ossimTileFile>::iterator iter = m_tileFiles.begin();
    while (iter != m_tileFiles.end())
    {
       (*iter).imageHandler->close();
       ++iter;
    }
    m_tileFiles.clear();
 }

◆ getImageRectangle()

ossimIrect ossimTiledImageHandler::getImageRectangle ( ossim_uint32 resLevel = 0 ) const

virtual

Returns overall bounding rect in image space.

Reimplemented from ossimImageHandler.

Definition at line 388 of file ossimTiledImageHandler.cpp.

References ossimImageHandler::getDecimationFactor(), m_fullImgRect, and ossimIrect::ul().

Referenced by ossimQuickbirdRpcModel::ossimQuickbirdRpcModel().

 {
    //---
    // Note: Rectangle should be zero based.  Sub image offset handled in
    // getTile and getImageGeometry. drb
    //---
    ossimIrect rect = m_fullImgRect - m_fullImgRect.ul();
    if ( resLevel > 0 )
    {
       ossimDpt decimation;
       getDecimationFactor(resLevel, decimation);
       
       rect = rect*decimation;
    }
    return rect;
 
 #if 0
    if (resLevel == 0)
       return m_fullImgRect;
 
    ossimDpt decimation;
    getDecimationFactor(resLevel, decimation);
 
    return m_fullImgRect*decimation;
 #endif
 }

◆ getImageTileHeight()

ossim_uint32 ossimTiledImageHandler::getImageTileHeight ( ) const

virtual

Returns the tile height of the image or 0 if the image is not tiled.

Note: this is not the same as the ossimImageSource::getTileHeight which returns the output tile height which can be different than the internal image tile height on disk.

Implements ossimImageHandler.

Definition at line 363 of file ossimTiledImageHandler.cpp.

References m_tileFiles.

 {
    if ((m_tileFiles.size() == 0) || (!m_tileFiles[0].imageHandler.valid()))
       return 0;
 
    if (m_tileFiles[0].imageHandler->isImageTiled())
       return m_tileFiles[0].imageHandler->getImageTileHeight();
 
    return m_tileFiles[0].imageHandler->getNumberOfLines();
 }

◆ getImageTileWidth()

ossim_uint32 ossimTiledImageHandler::getImageTileWidth ( ) const

virtual

Returns the tile width of the image or 0 if the image is not tiled.

Note: this is not the same as the ossimImageSource::getTileWidth which returns the output tile width which can be different than the internal image tile width on disk.

Implements ossimImageHandler.

Definition at line 346 of file ossimTiledImageHandler.cpp.

References m_tileFiles.

 {
    if ((m_tileFiles.size() == 0) || (!m_tileFiles[0].imageHandler.valid()))
       return 0;
 
   if (m_tileFiles[0].imageHandler->isImageTiled())
      return m_tileFiles[0].imageHandler->getImageTileWidth();
 
   return m_tileFiles[0].imageHandler->getNumberOfSamples();
 }

◆ getNumberOfInputBands()

ossim_uint32 ossimTiledImageHandler::getNumberOfInputBands ( ) const

virtual

Returns the number of bands available from the input.

Implements ossimImageSource.

Definition at line 332 of file ossimTiledImageHandler.cpp.

References m_tileFiles.

 {
    if ((m_tileFiles.size() == 0) || (!m_tileFiles[0].imageHandler.valid()))
       return 0;
 
    return m_tileFiles[0].imageHandler->getNumberOfInputBands();
 }

◆ getNumberOfLines()

ossim_uint32 ossimTiledImageHandler::getNumberOfLines ( ossim_uint32 resLevel = 0 ) const

virtual

Parameters

resLevel Reduced resolution level to return lines of. Default = 0

Returns: The number of lines for specified reduced resolution level.

Implements ossimImageHandler.

Definition at line 271 of file ossimTiledImageHandler.cpp.

References ossimIrect::hasNans(), ossimIrect::height(), and m_fullImgRect.

 {
    if (m_fullImgRect.hasNans())
       return 0;
 
    // Using simple decimation by powers of 2:
    ossim_uint32 numlines = m_fullImgRect.height() >> resLevel;
    return numlines;
 }

◆ getNumberOfSamples()

ossim_uint32 ossimTiledImageHandler::getNumberOfSamples ( ossim_uint32 resLevel = 0 ) const

virtual

Parameters

resLevel Reduced resolution level to return samples of. Default = 0

Returns: The number of samples for specified reduced resolution level.

Implements ossimImageHandler.

Definition at line 286 of file ossimTiledImageHandler.cpp.

References ossimIrect::hasNans(), m_fullImgRect, and ossimIrect::width().

 {
    if (m_fullImgRect.hasNans())
       return 0;
 
    // Using simple decimation by powers of 2:
    ossim_uint32 numsamps = m_fullImgRect.width() >> resLevel;
    return numsamps;
 }

◆ getOutputScalarType()

ossimScalarType ossimTiledImageHandler::getOutputScalarType ( ) const

virtual

Returns scalar type of first tile (should be the same for all tiles)

Reimplemented from ossimImageSource.

Definition at line 377 of file ossimTiledImageHandler.cpp.

References m_tileFiles, and OSSIM_SCALAR_UNKNOWN.

 {
    if ((m_tileFiles.size() == 0) || (!m_tileFiles[0].imageHandler.valid()))
       return OSSIM_SCALAR_UNKNOWN;
 
    return m_tileFiles[0].imageHandler->getOutputScalarType();
 }

◆ getTile()

ossimRefPtr< ossimImageData > ossimTiledImageHandler::getTile	(	const ossimIrect &	rect,
		ossim_uint32	resLevel
	)

virtual

Fills the requested tile by pulling pixels from multiple file tiles as needed.

Reimplemented from ossimImageSource.

Definition at line 118 of file ossimTiledImageHandler.cpp.

References allocate(), ossimIrect::clipToRect(), ossimDataObject::getDataObjectStatus(), ossimImageSource::getTile(), ossimIrect::intersects(), ossimImageData::loadTile(), m_fullImgRect, m_startOvrResLevel, m_tile, m_tileFiles, ossimImageData::makeBlank(), OSSIM_BSQ, OSSIM_EMPTY, OSSIM_FULL, OSSIM_NULL, ossimImageData::setImageRectangle(), ossimImageHandler::theOverview, ossimIrect::ul(), ossimRefPtr< T >::valid(), and ossimImageData::validate().

 {
    // First verify that there are file-tiles available:
    if (m_tileFiles.size() == 0)
       return ossimRefPtr<ossimImageData>();
 
    // Allocate data tile if needed:
    if(!m_tile.valid())
    {
       allocate();
       if(!m_tile.valid())
          return ossimRefPtr<ossimImageData>();
    }
 
    // Check if res level represents data inside the overall scene overview:
    if (theOverview.valid() && (resLevel >= m_startOvrResLevel))
       return theOverview->getTile(tile_rect, resLevel);
 
    // Loop over all tile-files to find which intersect the requested image rect. This necessarily
    // needs to be done at full res coordinates, so need to adjust by res level requested:
    ossimDpt decimation_factor;
    // const ossim_uint32 BANDS = m_tile->getNumberOfBands();
    // const ossim_uint32 PPB   = m_tile->getSizePerBand(); // pixels per band
    // bool none_found = true;
 
    
    // ossim_uint32 wd, hd, ws, hs;
    // m_tile->getWidthHeight(wd, hd);
    
    // Always start with blank tile.
    m_tile->makeBlank();
 
    //---
    // Add in the sub image offset if any for the rest of this method to work
    // correctly.
    //---
    ossimIrect adjusted_tile_rect = tile_rect + m_fullImgRect.ul();
 
    // See if any point of the requested tile is in the image.
    if ( adjusted_tile_rect.intersects( m_fullImgRect ) )
    {
       // This need to set for loadTile to work off the full image rect.
       m_tile->setImageRectangle(adjusted_tile_rect);
       
       vector<ossimTileFile>::iterator tf_iter = m_tileFiles.begin();
       ossimRefPtr<ossimImageData> source_tile = 0;
       while (tf_iter != m_tileFiles.end())
       {
          if (( (*tf_iter).subImageRects.size() > resLevel) &&
              adjusted_tile_rect.intersects((*tf_iter).subImageRects[resLevel]))
          {
             //---
             // Current image handler lies within requested rect, need to adjust
             // this rect to be relative to this subimage offset before fetching
             // the tile:
             //---
             ossimIrect full_image_clip_rect =
                adjusted_tile_rect.clipToRect( (*tf_iter).subImageRects[resLevel]);
 
             // Subtract the sub image offset to make zero base image rect.
             ossimIrect relative_clip_rect( full_image_clip_rect -
                                            (*tf_iter).subImageRects[resLevel].ul());
             
             source_tile = (*tf_iter).imageHandler->getTile(relative_clip_rect, resLevel);
             if ( source_tile.valid() )
             {
                if ( (source_tile->getDataObjectStatus() != OSSIM_NULL) &&
                     (source_tile->getDataObjectStatus() != OSSIM_EMPTY) )
                {
                   // Give the loadTile the clip rect relative to the full image.
                   m_tile->loadTile( source_tile->getBuf(),
                                     full_image_clip_rect,
                                     OSSIM_BSQ);
                   m_tile->validate();
                   if ( m_tile->getDataObjectStatus() == OSSIM_FULL )
                   {
                      break;
                   }
                }
             }
          }
          ++tf_iter;
       }
       
    } // Matches: if ( adjusted_tile_rect.intersects( m_fullImgRect ) )
 
    // Set back to zero based rect.
    m_tile->setImageRectangle(tile_rect);
    
    return m_tile;
 }

◆ isImageTiled()

bool ossimTiledImageHandler::isImageTiled ( ) const

virtual

Indicates whether or not the image is tiled internally.

This implementation returns true if (getImageTileWidth() && getImageTileHeight()) are both non zero. Override in the image handler if something else is desired. Returns true if tiled, false if not.

Reimplemented from ossimImageHandler.

Definition at line 324 of file ossimTiledImageHandler.cpp.

 {
    return true;
 }

◆ isOpen()

bool ossimTiledImageHandler::isOpen ( ) const

virtual

Derived classes must implement this method to be concrete.

Returns: true if open, false if not.

Implements ossimImageHandler.

Definition at line 83 of file ossimTiledImageHandler.cpp.

References m_tileFiles.

 {
    if (m_tileFiles.size() > 0)
       return true;
 
    return false;
 }

◆ loadState()

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

virtual

Method to the load (recreate) the state of an object from a keyword list.

Return true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 309 of file ossimTiledImageHandler.cpp.

References ossimImageHandler::loadState(), and open().

 {
    if (!ossimImageHandler::loadState(kwl, prefix))
       return false;
 
    return open();
 }

◆ open()

virtual bool ossimTiledImageHandler::open ( )

pure virtual

Returns: Returns true on success, false on error.

Note: This method relies on the data member ossimImageData::theImageFile being set.

Implements ossimImageHandler.

Implemented in ossimQbTileFilesHandler.

Referenced by loadState().

◆ saveState()

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

virtual

Method to save the state of an object to a keyword list.

Return true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 300 of file ossimTiledImageHandler.cpp.

References ossimImageHandler::saveState().

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

Member Data Documentation

◆ m_blankTile

ossimRefPtr<ossimImageData> ossimTiledImageHandler::m_blankTile

protected

Definition at line 119 of file ossimTiledImageHandler.h.

◆ m_fullImgRect

ossimIrect ossimTiledImageHandler::m_fullImgRect

protected

Definition at line 120 of file ossimTiledImageHandler.h.

Referenced by ossimQbTileFilesHandler::computeImageRects(), ossimQbTileFilesHandler::getImageGeometry(), getImageRectangle(), getNumberOfLines(), getNumberOfSamples(), and getTile().

◆ m_startOvrResLevel

ossim_uint32 ossimTiledImageHandler::m_startOvrResLevel

protected

Definition at line 121 of file ossimTiledImageHandler.h.

Referenced by getTile().

◆ m_tile

ossimRefPtr<ossimImageData> ossimTiledImageHandler::m_tile

protected

Definition at line 118 of file ossimTiledImageHandler.h.

Referenced by allocate(), and getTile().

◆ m_tileFiles

vector<ossimTileFile> ossimTiledImageHandler::m_tileFiles

protected

Definition at line 117 of file ossimTiledImageHandler.h.

Referenced by allocate(), close(), ossimQbTileFilesHandler::computeImageRects(), getImageTileHeight(), getImageTileWidth(), getNumberOfInputBands(), getOutputScalarType(), getTile(), and isOpen().

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

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimTiledImageHandler()

◆ ~ossimTiledImageHandler()

Member Function Documentation

◆ allocate()

◆ close()

◆ getImageRectangle()

◆ getImageTileHeight()

◆ getImageTileWidth()

◆ getNumberOfInputBands()

◆ getNumberOfLines()

◆ getNumberOfSamples()

◆ getOutputScalarType()

◆ getTile()

◆ isImageTiled()

◆ isOpen()

◆ loadState()

◆ open()

◆ saveState()

Member Data Documentation

◆ m_blankTile

◆ m_fullImgRect

◆ m_startOvrResLevel

◆ m_tile

◆ m_tileFiles