#include <ossimImageHistogramSource.h>

Inheritance diagram for ossimImageHistogramSource:

Public Member Functions
	ossimImageHistogramSource (ossimObject *owner=0)

virtual ossimObject *	getObject ()

virtual const ossimObject *	getObject () const

void	setAreaOfInterest (const ossimIrect &rect)

ossimIrect	getAreaOfInterest () const

void	getAreaOfInterest (ossimIrect &rect) const

virtual ossim_uint32	getMaxNumberOfRLevels () const

virtual void	setMaxNumberOfRLevels (ossim_uint32 number)

virtual ossimRefPtr< ossimMultiResLevelHistogram >	getHistogram (const ossimIrect &rect)

virtual ossimRefPtr< ossimMultiResLevelHistogram >	getHistogram ()

virtual bool	execute ()

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

void	setNumberOfBinsOverride (ossim_int32 numberOfBinsOverride)

void	setMinValueOverride (ossim_float32 minValueOverride)

void	setMaxValueOverride (ossim_float32 maxValueOverride)

void	setNumberOfTiles (ossim_uint32 numberOfTiles)

ossimHistogramMode	getComputationMode () const

void	setComputationMode (ossimHistogramMode mode)

virtual void	propertyEvent (ossimPropertyEvent &event)

virtual void	connectInputEvent (ossimConnectionEvent &event)

virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const

Public Member Functions inherited from ossimHistogramSource
virtual	~ossimHistogramSource ()

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	initialize ()

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

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

Public Member Functions inherited from ossimConnectableObjectListener
	ossimConnectableObjectListener ()

virtual	~ossimConnectableObjectListener ()

virtual void	processEvent (ossimEvent &event)
	ProcessEvent. More...

virtual void	objectDestructingEvent (ossimObjectDestructingEvent &)

virtual void	connectionEvent (ossimConnectionEvent &)

virtual void	disconnectInputEvent (ossimConnectionEvent &)

virtual void	disconnectOutputEvent (ossimConnectionEvent &)

virtual void	connectOutputEvent (ossimConnectionEvent &)

virtual void	addObjectEvent (ossimContainerEvent &)

virtual void	removeObjectEvent (ossimContainerEvent &)

virtual void	containerEvent (ossimContainerEvent &)

virtual void	refreshEvent (ossimRefreshEvent &)

Public Member Functions inherited from ossimListener
	ossimListener ()

virtual	~ossimListener ()

void	enableListener ()

void	disableListener ()

void	setListenerEnableFlag (bool flag)

bool	isListenerEnabled () const

bool	getListenerEnableFlag () const

Public Member Functions inherited from ossimProcessInterface
	ossimProcessInterface ()

virtual	~ossimProcessInterface ()

virtual void	abort ()

bool	needsAborting () const

bool	isAbortRequested () const

bool	isAborted () const

bool	isExecuting () const

ossimProcessStatus	getProcessStatus () const

virtual void	setProcessStatus (ossimProcessStatus processStatus)

virtual double	getPercentComplete () const

virtual void	setPercentComplete (double percentComplete)

virtual ossimListenerManager *	getManager ()

void	enableEvents ()

void	disableEvents ()

void	setCurrentMessage (const ossimString &message)

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

Protected Member Functions
virtual	~ossimImageHistogramSource ()

void	getBinInformation (ossim_uint32 &numberOfBins, ossim_float64 &minValue, ossim_float64 &maxValue, ossim_uint32 band) const

virtual void	computeNormalModeHistogram ()

virtual void	computeFastModeHistogram ()

Protected Member Functions inherited from ossimHistogramSource
	ossimHistogramSource (ossimObject *owner=NULL, ossim_uint32 numberOfInputs=0, ossim_uint32 numberOfOutputs=0, bool inputListFixedFlag=true, bool outputListFixedFlag=true)

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
ossimIrect	theAreaOfInterest

bool	theHistogramRecomputeFlag

ossim_uint32	theMaxNumberOfResLevels

ossim_float64	theMinValueOverride

ossim_float64	theMaxValueOverride

ossim_int32	theNumberOfBinsOverride

ossimHistogramMode	theComputationMode

Protected Attributes inherited from ossimHistogramSource
ossimRefPtr< ossimMultiResLevelHistogram >	theHistogram

ossimFilename	theFilename

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

Protected Attributes inherited from ossimListener
bool	theListenerEnableFlag

Protected Attributes inherited from ossimProcessInterface
double	thePercentComplete

ossimProcessStatus	theProcessStatus

ossimString	theMessage

bool	theEventFlag

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

Public Types inherited from ossimProcessInterface
enum	ossimProcessStatus { PROCESS_STATUS_UNKNOWN = 0, PROCESS_STATUS_EXECUTING = 1, PROCESS_STATUS_ABORTED = 2, PROCESS_STATUS_ABORT_REQUEST = 3, PROCESS_STATUS_NOT_EXECUTING = 4 }

Detailed Description

This source expects as input an ossimImageSource. it will slice up the requested region into tiles and compute the histogram of the passed in rectangle.

Definition at line 23 of file ossimImageHistogramSource.h.

Constructor & Destructor Documentation

◆ ossimImageHistogramSource()

ossimImageHistogramSource::ossimImageHistogramSource ( ossimObject * owner = 0 )

Definition at line 22 of file ossimImageHistogramSource.cpp.

References ossimListenerManager::addListener(), ossimIrect::makeNan(), ossim::nan(), theAreaOfInterest, theMaxValueOverride, theMinValueOverride, and theNumberOfBinsOverride.

    :ossimHistogramSource(owner,
                          1,     // one input
                          0,     // no outputs
                          true,  // input list is fixed
                          false),// output can still grow though
     theHistogramRecomputeFlag(true),
     theMaxNumberOfResLevels(1),
     theComputationMode(OSSIM_HISTO_MODE_NORMAL)
     // theNumberOfTilesToUseInFastMode(100)
 {
    theAreaOfInterest.makeNan();
    addListener((ossimConnectableObjectListener*)this);
     
    theMinValueOverride     = ossim::nan();
    theMaxValueOverride     = ossim::nan();
    theNumberOfBinsOverride = -1;
 }

◆ ~ossimImageHistogramSource()

ossimImageHistogramSource::~ossimImageHistogramSource ( )

protectedvirtual

Definition at line 41 of file ossimImageHistogramSource.cpp.

References ossimListenerManager::removeListener().

 {
    removeListener((ossimConnectableObjectListener*)this);
 }

Member Function Documentation

◆ canConnectMyInputTo()

bool ossimImageHistogramSource::canConnectMyInputTo	(	ossim_int32	myInputIndex,
		const ossimConnectableObject *	object
	)		const

virtual

required to be overriden by derived classes

Implements ossimConnectableObject.

Definition at line 149 of file ossimImageHistogramSource.cpp.

References PTR_CAST.

 {
    return ((myInputIndex==0)&&PTR_CAST(ossimImageSource,
                                        object));
 }

◆ computeFastModeHistogram()

void ossimImageHistogramSource::computeFastModeHistogram ( )

protectedvirtual

Definition at line 434 of file ossimImageHistogramSource.cpp.

References ossimMultiBandHistogram::create(), ossimMultiResLevelHistogram::create(), getBinInformation(), ossimImageData::getBuf(), ossimDataObject::getDataObjectStatus(), ossimConnectableObject::getInput(), ossimMultiResLevelHistogram::getMultiBandHistogram(), ossimImageSource::getNumberOfOutputBands(), ossimImageSource::getTile(), ossimImageSource::getTileHeight(), ossimImageSource::getTileWidth(), ossimIrect::height(), ossim::max(), ossim::min(), ossimProcessInterface::needsAborting(), OSSIM_EMPTY, ossimImageData::populateHistogram(), PTR_CAST, ossimProcessInterface::setPercentComplete(), ossimIrect::stretchToTileBoundary(), theAreaOfInterest, ossimHistogramSource::theHistogram, ossimIrect::ul(), ossimRefPtr< T >::valid(), ossimIrect::width(), ossimIpt::x, x, ossimIpt::y, and y.

Referenced by execute().

 {
    // Compute at most 9 x 9 tiles of 16 x 16 tile size. 
 
    ossim_uint32 resLevelsToCompute = 1;
     
    // ref ptr, not a leak.
    theHistogram = new ossimMultiResLevelHistogram;
    theHistogram->create(resLevelsToCompute);
    ossimImageSource* input = PTR_CAST(ossimImageSource, getInput(0));
    if(!input)
    {
       setPercentComplete(100.0);
       return;
    }
    // sum up all tiles needing processing.  We will use the sequencer.
    //      ossim_uint32 numberOfResLevels = input->getNumberOfDecimationLevels();
    double tileCount   = 0.0;
    double totalTiles  = 0.0;
    ossim_uint32 numberOfBands = input->getNumberOfOutputBands();
    ossim_uint32 numberOfBins  = 0;
    ossim_float64 minValue     = 0;
    ossim_float64 maxValue     = 0;
    getBinInformation(numberOfBins, minValue, maxValue, 0);
 
    // Fixed 16 x 16 tile size:
    ossimIpt tileSize( 16, 16 );
 
    ossimIrect tileBoundary = theAreaOfInterest;
    tileBoundary.stretchToTileBoundary(tileSize);
 
    // Max of 9 x 9 tiles accross the image.
    const ossim_uint32 MAX_TILES_WIDE = 9;
 
    ossim_uint32 tilesWide = ossim::min( (ossim_uint32)(tileBoundary.width()/tileSize.x),
                                         MAX_TILES_WIDE);
    ossim_uint32 tilesHigh = ossim::min( (ossim_uint32)(tileBoundary.height()/tileSize.y),
                                         MAX_TILES_WIDE);
 
    totalTiles = tilesWide*tilesHigh;
 
    if(numberOfBins > 0)
    {
       ossimIpt origin = theAreaOfInterest.ul();
         
       ossim_uint32 xTileOffset = tileBoundary.width()  / tilesWide;
       ossim_uint32 yTileOffset = tileBoundary.height() / tilesHigh;
 
       theHistogram->getMultiBandHistogram(0)->create(numberOfBands,
                                                      numberOfBins,
                                                      minValue,
                                                      maxValue); 
       ossim_uint32 x = 0;
       ossim_uint32 y = 0;
       tileCount = 0;
       totalTiles = tilesWide*tilesHigh;
       
       for(y = 0; y < tilesHigh; ++y)
       {
          for(x = 0; x < tilesWide; ++x)
          {
             ossimIpt ul( origin.x + (x*xTileOffset), origin.y + (y*yTileOffset) );
             ossimIrect tileRect(ul.x, ul.y, ul.x + tileSize.x-1, ul.y + tileSize.y-1);
 
             ossimRefPtr<ossimImageData> data = input->getTile(tileRect);
                 
             if(data.valid()&&data->getBuf()&&(data->getDataObjectStatus() != OSSIM_EMPTY))
             {
                data->populateHistogram(theHistogram->getMultiBandHistogram(0));
             }
 
             // Check for abort request.
             if (needsAborting())
             {
                break;
             }
             
             ++tileCount;
          }
 
          // Check for abort request.
          if (needsAborting())
          {
             setPercentComplete(100);
             break; 
          }
          
          setPercentComplete((100.0*(tileCount/totalTiles)));
       }
    }
 
 #if 0  /* drb - old code was not working... */
    
    // We will only compute a full res histogram in fast mode.  and will only do a MAX of 100 tiles.
    //
    ossim_uint32 resLevelsToCompute = 1;
     
    // ref ptr, not a leak.
    theHistogram = new ossimMultiResLevelHistogram;
    theHistogram->create(resLevelsToCompute);
    ossimImageSource* input = PTR_CAST(ossimImageSource, getInput(0));
    if(!input)
    {
       setPercentComplete(100.0);
       return;
    }
    // sum up all tiles needing processing.  We will use the sequencer.
    //      ossim_uint32 numberOfResLevels = input->getNumberOfDecimationLevels();
    double tileCount   = 0.0;
    double totalTiles  = 0.0;
    ossim_uint32 numberOfBands = input->getNumberOfOutputBands();
    ossim_uint32 numberOfBins  = 0;
    ossim_float64 minValue     = 0;
    ossim_float64 maxValue     = 0;
    getBinInformation(numberOfBins, minValue, maxValue, 0);
     
    ossimIrect tileBoundary = theAreaOfInterest;
    // ossimIpt tileSize(ossim::max((ossim_uint32)input->getTileWidth(), (ossim_uint32)64),
    //                   ossim::max((ossim_uint32)input->getTileHeight(), (ossim_uint32)64));
 
    ossimIpt tileSize(ossim::max<ossim_uint32>(input->getTileWidth(), (ossim_uint32)64),
                      ossim::max((ossim_uint32)input->getTileHeight(), (ossim_uint32)64));
     
    tileBoundary.stretchToTileBoundary(tileSize);
    ossim_uint32 tilesWide = (tileBoundary.width()/tileSize.x);
    ossim_uint32 tilesHigh = (tileBoundary.height()/tileSize.y);
    totalTiles = tilesWide*tilesHigh;
    
    if(totalTiles > theNumberOfTilesToUseInFastMode)
    {
       ossim_uint32 testTiles = (ossim_uint32) (std::sqrt((double)theNumberOfTilesToUseInFastMode)+.5);
       tilesWide = testTiles>tilesWide?tilesWide:testTiles;
       tilesHigh = testTiles>tilesHigh?tilesHigh:testTiles;
    }
    if(numberOfBins > 0)
    {
       ossimIpt origin = theAreaOfInterest.ul();
         
       ossim_uint32 widthWithExcess  = (ossim_uint32)(((ossim_float64)tileBoundary.width()/(tilesWide*tileSize.x))*tileSize.x);
       ossim_uint32 heightWithExcess = ((ossim_uint32)((ossim_float64)tileBoundary.height()/(tilesHigh*tileSize.y))*tileSize.y);
       theHistogram->getMultiBandHistogram(0)->create(numberOfBands,
                                                      numberOfBins,
                                                      minValue,
                                                      maxValue);
         
       ossim_uint32 x = 0;
       ossim_uint32 y = 0;
       tileCount = 0;
       totalTiles = tilesWide*tilesHigh;
       for(y = 0; y < tilesHigh; ++y)
       {
          for(x = 0; x < tilesWide; ++x)
          {
             ossimIpt ul(origin.x + (x*widthWithExcess),
                         origin.y + (y*heightWithExcess));
             ossimIrect tileRect(ul.x, ul.y, ul.x + tileSize.x-1, ul.y + tileSize.y-1);
             ossimRefPtr<ossimImageData> data = input->getTile(tileRect);
                 
             if(data.valid()&&data->getBuf()&&(data->getDataObjectStatus() != OSSIM_EMPTY))
             {
                data->populateHistogram(theHistogram->getMultiBandHistogram(0));
             }
             ++tileCount;
             setPercentComplete((100.0*(tileCount/totalTiles)));
          }
       }
    }
 
 #endif
 }

◆ computeNormalModeHistogram()

void ossimImageHistogramSource::computeNormalModeHistogram ( )

protectedvirtual

Definition at line 321 of file ossimImageHistogramSource.cpp.

References ossimConnectableObject::connectMyInputTo(), ossimMultiBandHistogram::create(), ossimMultiResLevelHistogram::create(), ossimConnectableObject::disconnect(), getBinInformation(), ossimImageData::getBuf(), ossimDataObject::getDataObjectStatus(), ossimImageSource::getDecimationFactors(), ossimConnectableObject::getInput(), ossimMultiResLevelHistogram::getMultiBandHistogram(), ossimImageSourceSequencer::getNextTile(), ossimImageSource::getNumberOfOutputBands(), ossimImageSourceSequencer::getNumberOfTiles(), ossimImageSourceSequencer::initialize(), ossim::min(), ossimProcessInterface::needsAborting(), OSSIM_EMPTY, ossimNotify(), ossimNotifyLevel_WARN, ossimImageData::populateHistogram(), PTR_CAST, ossimImageSourceSequencer::setAreaOfInterest(), ossimProcessInterface::setPercentComplete(), ossimImageSourceSequencer::setToStartOfSequence(), theAreaOfInterest, ossimHistogramSource::theHistogram, theMaxNumberOfResLevels, and ossimRefPtr< T >::valid().

Referenced by execute().

 {
    // ref ptr, not a leak.
    theHistogram = new ossimMultiResLevelHistogram;
     
    ossimImageSource* input = PTR_CAST(ossimImageSource, getInput(0));
    if(!input)
    {
       setPercentComplete(100.0);
       return;
    }
    
    if(getInput(0))
    {
       // sum up all tiles needing processing.  We will use the sequencer.
       //      ossim_uint32 numberOfResLevels = input->getNumberOfDecimationLevels();
       ossim_uint32 index = 0;
       double tileCount   = 0.0;
       double totalTiles  = 0.0;
       ossim_uint32 numberOfBands = input->getNumberOfOutputBands();
       ossim_uint32 numberOfBins  = 0;
       ossim_float64 minValue     = 0;
       ossim_float64 maxValue     = 0;
       getBinInformation(numberOfBins, minValue, maxValue, 0);
         
       ossimRefPtr<ossimImageSourceSequencer> sequencer = new ossimImageSourceSequencer;
       sequencer->connectMyInputTo(0, getInput(0));
       sequencer->initialize();
       
       vector<ossimDpt> decimationFactors;
       input->getDecimationFactors(decimationFactors);
       if ( !decimationFactors.size() )
       {
          ossimNotify(ossimNotifyLevel_WARN)
             << "ossimImageHistogramSource::computeNormalModeHistogram WARNING:"
             << "\nNo decimation factors from input.  returning..." << std::endl;
          return;
       }
       
       ossim_uint32 resLevelsToCompute = ossim::min((ossim_uint32)theMaxNumberOfResLevels,
                                                    (ossim_uint32)decimationFactors.size());
          
       if( decimationFactors.size() < theMaxNumberOfResLevels)
       {
          ossimNotify(ossimNotifyLevel_WARN) << "Number Decimations is smaller than the request number of r-levels defaulting to the smallest of the 2 numbers" << endl;
       }
 
       theHistogram->create(resLevelsToCompute);
       for(index = 0; index < resLevelsToCompute; ++index)
       {
          sequencer->setAreaOfInterest(theAreaOfInterest*decimationFactors[index]);
          
          totalTiles += sequencer->getNumberOfTiles();
       }
       
       
       if(numberOfBins > 0)
       {
          setPercentComplete(0.0);
          for(index = 0;
              (index < resLevelsToCompute);
              ++index)
          {
             // Check for abort request.
             if (needsAborting())
             {
                setPercentComplete(100);
                break;
             }
             
             //sequencer->setAreaOfInterest(input->getBoundingRect(index));
             sequencer->setAreaOfInterest(theAreaOfInterest*decimationFactors[index]);
             
             sequencer->setToStartOfSequence();
             
             theHistogram->getMultiBandHistogram(index)->create(numberOfBands,
                                                                numberOfBins,
                                                                minValue,
                                                                maxValue);
             
             ossimRefPtr<ossimImageData> data = sequencer->getNextTile(index);
             ++tileCount;
             setPercentComplete((100.0*(tileCount/totalTiles)));
             
             ossim_uint32 resLevelTotalTiles = sequencer->getNumberOfTiles();
             for (ossim_uint32 resLevelTileCount = 0;
                  resLevelTileCount < resLevelTotalTiles;
                  ++resLevelTileCount)
             {
                if(data.valid()&&data->getBuf()&&(data->getDataObjectStatus() != OSSIM_EMPTY))
                {
                   data->populateHistogram(theHistogram->getMultiBandHistogram(index));
                }
                
                // Check for abort request.
                if (needsAborting())
                {
                   setPercentComplete(100);
                   break;
                }
                
                
                data = sequencer->getNextTile(index);
                ++tileCount;
                setPercentComplete((100.0*(tileCount/totalTiles)));
             }
          }
       }
       sequencer->disconnect();
       sequencer = 0;
    }
 }

◆ connectInputEvent()

void ossimImageHistogramSource::connectInputEvent ( ossimConnectionEvent & event )

virtual

Reimplemented from ossimConnectableObjectListener.

Definition at line 185 of file ossimImageHistogramSource.cpp.

References theHistogramRecomputeFlag.

 {
    theHistogramRecomputeFlag = true;
 }

◆ execute()

bool ossimImageHistogramSource::execute ( )

virtual

Implements ossimProcessInterface.

Definition at line 101 of file ossimImageHistogramSource.cpp.

References computeFastModeHistogram(), computeNormalModeHistogram(), ossimConnectableObject::getInput(), ossimIrect::hasNans(), ossimSource::isSourceEnabled(), ossimProcessInterface::needsAborting(), OSSIM_HISTO_MODE_FAST, OSSIM_HISTO_MODE_NORMAL, ossimProcessInterface::PROCESS_STATUS_ABORTED, ossimProcessInterface::PROCESS_STATUS_EXECUTING, ossimProcessInterface::PROCESS_STATUS_NOT_EXECUTING, PTR_CAST, ossimProcessInterface::setProcessStatus(), theAreaOfInterest, theComputationMode, ossimHistogramSource::theHistogram, theHistogramRecomputeFlag, and ossimRefPtr< T >::valid().

Referenced by getHistogram(), and ossimKMeansFilter::initialize().

 {
    if(!isSourceEnabled())
    {
       return theHistogram.valid();
    }
    
    setProcessStatus(ossimProcessInterface::PROCESS_STATUS_EXECUTING);
    if(theHistogramRecomputeFlag)
    {
       if(theAreaOfInterest.hasNans())
       {
          ossimImageSource* interface = PTR_CAST(ossimImageSource, getInput(0));
          if(interface)
          {
             theAreaOfInterest = interface->getBoundingRect();
          }
       }
 
       switch(theComputationMode)
       {
          case OSSIM_HISTO_MODE_FAST:
          {
             computeFastModeHistogram();
             break;
          }
          case OSSIM_HISTO_MODE_NORMAL:
          default:
          {
             computeNormalModeHistogram();
             break;
          }
       }
    }
    
    if (needsAborting())
    {
       setProcessStatus(ossimProcessInterface::PROCESS_STATUS_ABORTED);
       theHistogramRecomputeFlag = false;
    }
    else
    {
       setProcessStatus(ossimProcessInterface::PROCESS_STATUS_NOT_EXECUTING);
    }
    
    return true;
 }

◆ getAreaOfInterest() [1/2]

ossimIrect ossimImageHistogramSource::getAreaOfInterest ( ) const

Definition at line 65 of file ossimImageHistogramSource.cpp.

References theAreaOfInterest.

 {
    return theAreaOfInterest;
 }

◆ getAreaOfInterest() [2/2]

void ossimImageHistogramSource::getAreaOfInterest ( ossimIrect & rect ) const

Definition at line 70 of file ossimImageHistogramSource.cpp.

References theAreaOfInterest.

 {
    rect = theAreaOfInterest;
 }

◆ getBinInformation()

void ossimImageHistogramSource::getBinInformation	(	ossim_uint32 &	numberOfBins,
		ossim_float64 &	minValue,
		ossim_float64 &	maxValue,
		ossim_uint32	band
	)		const

protected

Definition at line 196 of file ossimImageHistogramSource.cpp.

References ossimConnectableObject::getInput(), ossimImageSource::getMaxPixelValue(), ossimImageSource::getMinPixelValue(), ossimImageSource::getOutputScalarType(), OSSIM_DEFAULT_MAX_PIX_SINT16, OSSIM_DEFAULT_MAX_PIX_UCHAR, OSSIM_DEFAULT_MAX_PIX_UINT11, OSSIM_DEFAULT_MAX_PIX_UINT12, OSSIM_DEFAULT_MAX_PIX_UINT13, OSSIM_DEFAULT_MAX_PIX_UINT14, OSSIM_DEFAULT_MAX_PIX_UINT15, OSSIM_DEFAULT_MAX_PIX_UINT16, OSSIM_DEFAULT_MIN_PIX_SINT16, OSSIM_FLOAT32, OSSIM_FLOAT64, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SINT16, OSSIM_SINT32, OSSIM_UINT16, OSSIM_UINT32, OSSIM_UINT8, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, and PTR_CAST.

Referenced by computeFastModeHistogram(), and computeNormalModeHistogram().

 {
    numberOfBins = 0;
    minValue     = 0;
    maxValue     = 0;
     
    ossimImageSource* input = PTR_CAST(ossimImageSource, getInput(0));
    if(input)
    {
       minValue = input->getMinPixelValue(band);
       maxValue = input->getMaxPixelValue(band);
       switch(input->getOutputScalarType())
       {
          case OSSIM_UINT8:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UCHAR;
             numberOfBins = 256;
                 
             break;
          }
          case OSSIM_USHORT11:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT11;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT11 + 1;
                 
             break;
          }
          case OSSIM_USHORT12:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT12;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT12 + 1;
 
             break;
          }
          case OSSIM_USHORT13:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT13;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT13 + 1;
 
             break;
          }
          case OSSIM_USHORT14:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT14;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT14 + 1;
 
             break;
          }
          case OSSIM_USHORT15:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT15;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT15 + 1;
 
             break;
          }
          case OSSIM_UINT16:
          {
             minValue     = 0;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_UINT16;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT16 + 1;
                 
             break;
          }
          case OSSIM_SINT16:
          {
             minValue     = OSSIM_DEFAULT_MIN_PIX_SINT16;
             maxValue     = OSSIM_DEFAULT_MAX_PIX_SINT16;
             numberOfBins = (OSSIM_DEFAULT_MAX_PIX_SINT16-OSSIM_DEFAULT_MIN_PIX_SINT16) + 1;
             break;
          }
          case OSSIM_SINT32:
          case OSSIM_UINT32:
          {
            numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT16+1;
            break;
          }
          case OSSIM_FLOAT32:
          case OSSIM_FLOAT64:
          {
                 numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT16+1;
             break;
          }
          case OSSIM_NORMALIZED_FLOAT:
          case OSSIM_NORMALIZED_DOUBLE:
          {
             minValue     = 0;
             maxValue     = 1.0;
             numberOfBins = OSSIM_DEFAULT_MAX_PIX_UINT16+1;
             break;
          }
          default:
          {
             if(traceDebug())
             {
                ossimNotify(ossimNotifyLevel_WARN)
                   << "Unsupported scalar type in ossimImageHistogramSource::computeHistogram()" << endl;
             }
             return;
          }
       }
    }
     
    if(ossim::isnan(theMinValueOverride) == false)
    {
       minValue = (float)theMinValueOverride;
    }
    if(ossim::isnan(theMaxValueOverride) == false)
    {
       maxValue = (float)theMaxValueOverride;
    }
    if(theNumberOfBinsOverride > 0)
    {
       numberOfBins = theNumberOfBinsOverride;
    }
 }

◆ getComputationMode()

ossimHistogramMode ossimImageHistogramSource::getComputationMode ( ) const

Definition at line 170 of file ossimImageHistogramSource.cpp.

References theComputationMode.

 {
    return theComputationMode;
 }

◆ getHistogram() [1/2]

ossimRefPtr< ossimMultiResLevelHistogram > ossimImageHistogramSource::getHistogram ( const ossimIrect & rect )

virtual

The first argument is the region of interest that you wish to use for the histogram. If the region is different than what it has already computed before then the histogram is considered dirty and will be re-computed. The returned object is a multi-reslevel histogram

Definition at line 89 of file ossimImageHistogramSource.cpp.

References getHistogram(), ossimIrect::hasNans(), theAreaOfInterest, and theHistogramRecomputeFlag.

Referenced by ossimKMeansFilter::initialize().

 {
    if((theAreaOfInterest != rect)||
       (theAreaOfInterest.hasNans()))
    {
       theAreaOfInterest = rect;
       theHistogramRecomputeFlag = true;
    }
     
    return getHistogram();
 }

◆ getHistogram() [2/2]

ossimRefPtr< ossimMultiResLevelHistogram > ossimImageHistogramSource::getHistogram ( )

virtual

Reimplemented from ossimHistogramSource.

Definition at line 190 of file ossimImageHistogramSource.cpp.

References execute(), and ossimHistogramSource::theHistogram.

Referenced by getHistogram().

 {
    execute();
    return theHistogram;
 }

◆ getMaxNumberOfRLevels()

ossim_uint32 ossimImageHistogramSource::getMaxNumberOfRLevels ( ) const

virtual

Definition at line 75 of file ossimImageHistogramSource.cpp.

References theMaxNumberOfResLevels.

 {
    return theMaxNumberOfResLevels;
 }

◆ getObject() [1/2]

ossimObject * ossimImageHistogramSource::getObject ( )

virtual

Implements ossimProcessInterface.

Definition at line 46 of file ossimImageHistogramSource.cpp.

 {
    return this;
 }

◆ getObject() [2/2]

const ossimObject * ossimImageHistogramSource::getObject ( ) const

virtual

Implements ossimProcessInterface.

Definition at line 51 of file ossimImageHistogramSource.cpp.

 {
    return this;
 }

◆ loadState()

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

virtual

Method to the load (recreate) the state of the object from a keyword list. Return true if ok or false on error.

Reimplemented from ossimHistogramSource.

Definition at line 605 of file ossimImageHistogramSource.cpp.

References ossimString::downcase(), ossimString::empty(), ossimKeywordlist::find(), ossimConnectableObject::getNumberOfInputs(), ossimHistogramSource::loadState(), ossimIrect::loadState(), OSSIM_HISTO_MODE_FAST, OSSIM_HISTO_MODE_NORMAL, ossimConnectableObject::setNumberOfInputs(), theAreaOfInterest, theComputationMode, ossimConnectableObject::theInputListIsFixedFlag, and ossimConnectableObject::theOutputListIsFixedFlag.

 {
    ossimHistogramSource::loadState(kwl, prefix);  
    setNumberOfInputs(2);
    ossimString rect = kwl.find(prefix, "rect");
 
    if(!rect.empty())
    {
       loadState(kwl, prefix);
    }
    else 
    {
       ossimString newPrefix = ossimString(prefix) + "area_of_interest.";
       theAreaOfInterest.loadState(kwl, newPrefix);
    }
    
    ossimString mode = kwl.find(prefix, "mode");
    mode = mode.downcase();
    if(mode == "normal")
    {
       theComputationMode = OSSIM_HISTO_MODE_NORMAL;
    }
    else if(mode == "fast")
    {
       theComputationMode = OSSIM_HISTO_MODE_FAST;
    }
    if(getNumberOfInputs()!=1)
    {
       setNumberOfInputs(1);
    }
    
    // ossimString numberOfTiles = kwl.find(prefix, "number_of_tiles");
    // if(!numberOfTiles.empty())
    // {
    //    theNumberOfTilesToUseInFastMode = numberOfTiles.toUInt32();
    // }
 
    theInputListIsFixedFlag = true;
    theOutputListIsFixedFlag = false;
     
    return true;
 }

◆ propertyEvent()

void ossimImageHistogramSource::propertyEvent ( ossimPropertyEvent & event )

virtual

Reimplemented from ossimConnectableObjectListener.

Definition at line 180 of file ossimImageHistogramSource.cpp.

References theHistogramRecomputeFlag.

 {
    theHistogramRecomputeFlag = true;
 }

◆ saveState()

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

virtual

Method to save the state of the object to a keyword list. Return true if ok or false on error.

Reimplemented from ossimHistogramSource.

Definition at line 649 of file ossimImageHistogramSource.cpp.

References ossimHistogramSource::saveState(), ossimIrect::saveState(), and theAreaOfInterest.

 {
    bool result = ossimHistogramSource::saveState(kwl, prefix);
    if(result)
    {
       ossimString newPrefix = ossimString(prefix) + "area_of_interest.";
       theAreaOfInterest.saveState(kwl, newPrefix);
    }
    return result;
 }

◆ setAreaOfInterest()

void ossimImageHistogramSource::setAreaOfInterest ( const ossimIrect & rect )

Definition at line 56 of file ossimImageHistogramSource.cpp.

References theAreaOfInterest, and theHistogramRecomputeFlag.

 {
    if(rect != theAreaOfInterest)
    {
       theHistogramRecomputeFlag = true;
    }
    theAreaOfInterest = rect;
 }

◆ setComputationMode()

void ossimImageHistogramSource::setComputationMode ( ossimHistogramMode mode )

Definition at line 175 of file ossimImageHistogramSource.cpp.

References theComputationMode.

Referenced by ossimImageHandler::buildHistogram(), and ossimKMeansFilter::initialize().

 {
    theComputationMode = mode;
 }

◆ setMaxNumberOfRLevels()

void ossimImageHistogramSource::setMaxNumberOfRLevels ( ossim_uint32 number )

virtual

Definition at line 80 of file ossimImageHistogramSource.cpp.

References theHistogramRecomputeFlag, and theMaxNumberOfResLevels.

Referenced by ossimImageHandler::buildHistogram(), ossimKMeansFilter::initialize(), and ossimImageFileWriter::writeHistogramFile().

 {
    if(number != theMaxNumberOfResLevels)
    {
       theHistogramRecomputeFlag = true;
    }
    theMaxNumberOfResLevels = number;
 }

◆ setMaxValueOverride()

void ossimImageHistogramSource::setMaxValueOverride ( ossim_float32 maxValueOverride )

Definition at line 165 of file ossimImageHistogramSource.cpp.

References theMaxValueOverride.

 {
    theMaxValueOverride = maxValueOverride;
 }

◆ setMinValueOverride()

void ossimImageHistogramSource::setMinValueOverride ( ossim_float32 minValueOverride )

Definition at line 161 of file ossimImageHistogramSource.cpp.

References theMinValueOverride.

 {
    theMinValueOverride = minValueOverride;
 }

◆ setNumberOfBinsOverride()

void ossimImageHistogramSource::setNumberOfBinsOverride ( ossim_int32 numberOfBinsOverride )

Definition at line 156 of file ossimImageHistogramSource.cpp.

References theNumberOfBinsOverride.

 {
    theNumberOfBinsOverride = numberOfBinsOverride;
 }

◆ setNumberOfTiles()

void ossimImageHistogramSource::setNumberOfTiles ( ossim_uint32 numberOfTiles )

Member Data Documentation

◆ theAreaOfInterest

ossimIrect ossimImageHistogramSource::theAreaOfInterest

protected

Initialized to ossimNAN'S

Definition at line 91 of file ossimImageHistogramSource.h.

Referenced by computeFastModeHistogram(), computeNormalModeHistogram(), execute(), getAreaOfInterest(), getHistogram(), loadState(), ossimImageHistogramSource(), saveState(), and setAreaOfInterest().

◆ theComputationMode

ossimHistogramMode ossimImageHistogramSource::theComputationMode

protected

Definition at line 102 of file ossimImageHistogramSource.h.

Referenced by execute(), getComputationMode(), loadState(), and setComputationMode().

◆ theHistogramRecomputeFlag

bool ossimImageHistogramSource::theHistogramRecomputeFlag

protected

Definition at line 92 of file ossimImageHistogramSource.h.

Referenced by connectInputEvent(), execute(), getHistogram(), propertyEvent(), setAreaOfInterest(), and setMaxNumberOfRLevels().

◆ theMaxNumberOfResLevels

ossim_uint32 ossimImageHistogramSource::theMaxNumberOfResLevels

protected

Will default to 1. This means it will use up to max number of res levels for the histogram.

Definition at line 98 of file ossimImageHistogramSource.h.

Referenced by computeNormalModeHistogram(), getMaxNumberOfRLevels(), and setMaxNumberOfRLevels().

◆ theMaxValueOverride

ossim_float64 ossimImageHistogramSource::theMaxValueOverride

protected

Definition at line 100 of file ossimImageHistogramSource.h.

Referenced by ossimImageHistogramSource(), and setMaxValueOverride().

◆ theMinValueOverride

ossim_float64 ossimImageHistogramSource::theMinValueOverride

protected

Definition at line 99 of file ossimImageHistogramSource.h.

Referenced by ossimImageHistogramSource(), and setMinValueOverride().

◆ theNumberOfBinsOverride

ossim_int32 ossimImageHistogramSource::theNumberOfBinsOverride

protected

Definition at line 101 of file ossimImageHistogramSource.h.

Referenced by ossimImageHistogramSource(), and setNumberOfBinsOverride().

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

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimImageHistogramSource()

◆ ~ossimImageHistogramSource()

Member Function Documentation

◆ canConnectMyInputTo()

◆ computeFastModeHistogram()

◆ computeNormalModeHistogram()

◆ connectInputEvent()

◆ execute()

◆ getAreaOfInterest() [1/2]

◆ getAreaOfInterest() [2/2]

◆ getBinInformation()

◆ getComputationMode()

◆ getHistogram() [1/2]

◆ getHistogram() [2/2]

◆ getMaxNumberOfRLevels()

◆ getObject() [1/2]

◆ getObject() [2/2]

◆ loadState()

◆ propertyEvent()

◆ saveState()

◆ setAreaOfInterest()

◆ setComputationMode()

◆ setMaxNumberOfRLevels()

◆ setMaxValueOverride()

◆ setMinValueOverride()

◆ setNumberOfBinsOverride()

◆ setNumberOfTiles()

Member Data Documentation

◆ theAreaOfInterest

◆ theComputationMode

◆ theHistogramRecomputeFlag

◆ theMaxNumberOfResLevels

◆ theMaxValueOverride

◆ theMinValueOverride

◆ theNumberOfBinsOverride