#include <ossimBlendMosaic.h>

Inheritance diagram for ossimBlendMosaic:

Public Member Functions
	ossimBlendMosaic ()

	ossimBlendMosaic (ossimConnectableObject::ConnectableObjectList &inputSources)

virtual	~ossimBlendMosaic ()

virtual void	initialize ()

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

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

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

void	setWeight (ossim_uint32 index, double weight)

void	setWeights (const std::vector< double > &weights)

double	getWeight (ossim_uint32 index) const

const std::vector< double > &	getWeights () const

void	setNumberOfWeights (ossim_uint32 numberOfWeights)

void	setAllWeightsTo (double value)

void	normalizeWeights ()
	Will find the min and max values and then normalize all weights to be from 0 to 1. More...

void	findMinMax (double &minValue, double &maxValue) const

Public Member Functions inherited from ossimImageMosaic
	ossimImageMosaic ()

	ossimImageMosaic (ossimConnectableObject::ConnectableObjectList &inputSources)

Public Member Functions inherited from ossimImageCombiner
	ossimImageCombiner ()

	ossimImageCombiner (ossimObject *owner, int numberOfInputs, int numberOfOutputs, bool inputListIsFixedFlag, bool outputListIsFixedFlag)

	ossimImageCombiner (ossimConnectableObject::ConnectableObjectList &inputSources)

virtual ossimIrect	getBoundingRect (ossim_uint32 resLevel=0) const
	This will return the bounding rect of the source. More...

virtual void	updateRects ()
	This will go through and precompute the bounding rects of each input image. More...

virtual ossim_uint32	getNumberOfInputBands () const
	Returns the number of bands available from the input. More...

virtual ossimScalarType	getOutputScalarType () const
	This will be used to query the output pixel type of the tile source. 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 double	getNullPixelValue (ossim_uint32 band=0) const
	Each band has a null pixel associated with it. More...

virtual double	getMinPixelValue (ossim_uint32 band=0) const
	Returns the min pixel of the band. More...

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

virtual ossim_uint32	getNumberOfOverlappingImages (const ossimIrect &rect, ossim_uint32 resLevel=0) const
	Used to retrieve the number of overlapping images withint the given rect. More...

virtual void	getOverlappingImages (std::vector< ossim_uint32 > &result, const ossimIrect &rect, ossim_uint32 resLevel=0) const
	Used to populate the result with the index of the overlapping images. More...

virtual ossimRefPtr< ossimImageData >	getNextTile (ossim_uint32 &returnedIdx, const ossim_uint32 startIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

virtual ossimRefPtr< ossimImageData >	getNextTile (ossim_uint32 &returnedIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

virtual bool	getNextTile (ossim_uint32 &returnedIdx, const ossim_uint32 startIdx, ossimImageData *tile, ossim_uint32 resLevel=0)

virtual ossimRefPtr< ossimImageData >	getNextNormTile (ossim_uint32 &returnedIdx, const ossim_uint32 index, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

virtual ossimRefPtr< ossimImageData >	getNextNormTile (ossim_uint32 &returnedIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

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

virtual void	connectInputEvent (ossimConnectionEvent &event)

virtual void	disconnectInputEvent (ossimConnectionEvent &event)

virtual void	propertyEvent (ossimPropertyEvent &event)

virtual void	refreshEvent (ossimRefreshEvent &event)

virtual bool	hasDifferentInputs () const

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	getDecimationFactor (ossim_uint32 resLevel, ossimDpt &result) const
	Will return the decimation factor for the given resolution level. More...

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

virtual ossim_uint32	getNumberOfDecimationLevels () const
	Will return the number of resolution levels. 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 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 ossimRefPtr< ossimImageGeometry >	getImageGeometry ()
	Returns the image geometry object associated with this tile source or NULL if not defined. More...

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

virtual void	saveImageGeometry () const
	Default method to call input's saveImageGeometry. More...

virtual void	saveImageGeometry (const ossimFilename &geometry_file) const
	Default method to call input's saveImageGeometry. More...

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

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

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	disconnectOutputEvent (ossimConnectionEvent &)

virtual void	connectOutputEvent (ossimConnectionEvent &)

virtual void	addObjectEvent (ossimContainerEvent &)

virtual void	removeObjectEvent (ossimContainerEvent &)

virtual void	containerEvent (ossimContainerEvent &)

Public Member Functions inherited from ossimListener
	ossimListener ()

virtual	~ossimListener ()

void	enableListener ()

void	disableListener ()

void	setListenerEnableFlag (bool flag)

bool	isListenerEnabled () const

bool	getListenerEnableFlag () const

Protected Member Functions
template<class T >
ossimRefPtr< ossimImageData >	combine (T, const ossimIrect &tileRect, ossim_uint32)
	If our inputs have output of different scalar types then we must normalize so we can blend different scalar data together. More...

template<class T >
ossimRefPtr< ossimImageData >	combineNorm (T, const ossimIrect &tileRect, ossim_uint32)

Protected Member Functions inherited from ossimImageMosaic
virtual	~ossimImageMosaic ()

void	allocate ()
	Called on first getTile, will initialize all data needed. More...

template<class T >
ossimRefPtr< ossimImageData >	combine (T, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

template<class T >
ossimRefPtr< ossimImageData >	combineNorm (T, const ossimIrect &tileRect, ossim_uint32 resLevel=0)

Protected Member Functions inherited from ossimImageCombiner
virtual	~ossimImageCombiner ()

void	precomputeBounds () const

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< double >	theWeights

ossimRefPtr< ossimImageData >	theNormResult

Protected Attributes inherited from ossimImageMosaic
ossimRefPtr< ossimImageData >	theTile

Protected Attributes inherited from ossimImageCombiner
ossim_uint32	theLargestNumberOfInputBands

ossim_uint32	theInputToPassThrough

bool	theHasDifferentInputs

ossimRefPtr< ossimImageData >	theNormTile

std::vector< ossimIrect >	theFullResBounds

bool	theComputeFullResBoundsFlag

ossim_uint32	theCurrentIndex

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

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

Detailed Description

Definition at line 16 of file ossimBlendMosaic.h.

Constructor & Destructor Documentation

◆ ossimBlendMosaic() [1/2]

ossimBlendMosaic::ossimBlendMosaic ( )

Definition at line 17 of file ossimBlendMosaic.cpp.

    : ossimImageMosaic(),
      theNormResult(NULL)
 {
 }

◆ ossimBlendMosaic() [2/2]

ossimBlendMosaic::ossimBlendMosaic ( ossimConnectableObject::ConnectableObjectList & inputSources )

Definition at line 23 of file ossimBlendMosaic.cpp.

References initialize().

    : ossimImageMosaic(inputSources),
      theNormResult(NULL)
 {
    initialize();
 }

◆ ~ossimBlendMosaic()

ossimBlendMosaic::~ossimBlendMosaic ( )

virtual

Definition at line 30 of file ossimBlendMosaic.cpp.

31 {

32 }

Member Function Documentation

◆ combine()

template<class T >

ossimRefPtr< ossimImageData > ossimBlendMosaic::combine	(	T	,
		const ossimIrect &	tileRect,
		ossim_uint32	resLevel
	)

protected

If our inputs have output of different scalar types then we must normalize so we can blend different scalar data together.

Definition at line 217 of file ossimBlendMosaic.cpp.

References ossimRefPtr< T >::get(), ossimImageData::getBuf(), ossimDataObject::getDataObjectStatus(), ossimImageData::getHeight(), ossimImageCombiner::getNextTile(), ossimImageData::getNullPix(), ossimImageData::getNumberOfBands(), ossimImageData::getWidth(), ossimImageData::isNull(), OSSIM_EMPTY, OSSIM_NULL, OSSIM_PARTIAL, ossimImageCombiner::theLargestNumberOfInputBands, ossimImageMosaic::theTile, theWeights, and ossimImageData::validate().

Referenced by getTile().

 {
   ossimRefPtr<ossimImageData> currentImageData=NULL;
   ossim_uint32 band;
   double currentWeight = 1.0;
   double previousWeight = 1.0;
   // double sumOfWeights   = 1;
   long offset = 0;
   long row    = 0;
   long col    = 0;
   ossim_uint32 layerIdx = 0;
   currentImageData = getNextTile(layerIdx, 0, tileRect, resLevel);
   
   if(!currentImageData.get()) // if we don't have one then return theTile
   {
      return theTile;
   }
   
   T** srcBands  = new T*[theLargestNumberOfInputBands];
   T** destBands = new T*[theLargestNumberOfInputBands];
   T*  nullPix   = new T[theTile->getNumberOfBands()];
   
   previousWeight = theWeights[layerIdx];
   //    // now get the previous weight and then combine the two into one.
      // let's assign the bands
   for(band = 0; band < theLargestNumberOfInputBands; ++band)
   {
      destBands[band] = static_cast<T*>(theTile->getBuf(band));
      nullPix[band]   = static_cast<T>(theTile->getNullPix(band));
   }
   while(currentImageData.get())
   {
       ossimDataObjectStatus currentStatus =
          currentImageData->getDataObjectStatus();
       
       // set the current weight for the current tile.
       currentWeight = theWeights[layerIdx];
 
       // sumOfWeights = previousWeight+currentWeight;
       if( (currentStatus != OSSIM_EMPTY) &&
       (currentStatus != OSSIM_NULL))
        {     
      long h = (long)currentImageData->getHeight();
      long w = (long)currentImageData->getWidth();
      offset = 0;
      ossim_uint32 minNumberOfBands = currentImageData->getNumberOfBands();
      
      // let's assign the bands
      for(band = 0; band < minNumberOfBands; ++band)
        {
          srcBands[band]  = static_cast<T*>(currentImageData->getBuf(band));
        }
      for(;band < theLargestNumberOfInputBands; ++band)
        {
          srcBands[band]  = srcBands[minNumberOfBands - 1];
        }
 
      if(currentStatus == OSSIM_PARTIAL)
          {
             for(row = 0; row < h; ++row)
             {
                for(col = 0; col < w; ++col)
                {
                   if(!currentImageData->isNull(offset))
                   {
                      for(band = 0; band < theLargestNumberOfInputBands; ++band)
                      {
                         if(destBands[band][offset] != nullPix[band])
                         {
 //                            destBands[band][offset] = static_cast<T>((destBands[band][offset]*(1.0-currentWeight) +  
 //                                                                      srcBands[band][offset]*currentWeight));
                            destBands[band][offset] = static_cast<T>((destBands[band][offset]*previousWeight + 
                                                                      srcBands[band][offset]*currentWeight)/(previousWeight+currentWeight));
                         }
                         else
                         {
                            destBands[band][offset] = srcBands[band][offset];
                         }
                      }   
                   }
                   ++offset;
                }
             }
          }
      else
          {
             for(row = 0; row < h; ++row)
             {
                for(col = 0; col < w; ++col)
                {
                   for(band = 0; band < theLargestNumberOfInputBands; ++band)
                   {         
                      if(destBands[band][offset] != nullPix[band])
                      {
                         destBands[band][offset] = static_cast<T>((destBands[band][offset]*previousWeight+ 
                                                                   srcBands[band][offset]*currentWeight)/(previousWeight + currentWeight));
                      }
                      else
                      {
                         destBands[band][offset] = srcBands[band][offset];
                      }
                   }
                   ++offset;
                }
             }
          }
        }
       currentImageData = getNextTile(layerIdx, tileRect, resLevel);
       previousWeight   = (previousWeight+currentWeight)/2.0;
     }
   delete [] srcBands;
   delete [] destBands;
   delete [] nullPix;
   theTile->validate();
 
   return theTile;   
 }

◆ combineNorm()

template<class T >

ossimRefPtr< ossimImageData > ossimBlendMosaic::combineNorm	(	T	,
		const ossimIrect &	tileRect,
		ossim_uint32	resLevel
	)

protected

Definition at line 338 of file ossimBlendMosaic.cpp.

References ossimImageData::copyNormalizedBufferToTile(), ossimRefPtr< T >::get(), ossimImageData::getBuf(), ossimDataObject::getDataObjectStatus(), ossimImageData::getHeight(), ossimImageCombiner::getNextNormTile(), ossimImageData::getNullPix(), ossimImageData::getNumberOfBands(), ossimImageData::getWidth(), ossimImageData::isNull(), ossimImageData::makeBlank(), OSSIM_EMPTY, OSSIM_NULL, OSSIM_PARTIAL, ossimImageCombiner::theLargestNumberOfInputBands, theNormResult, ossimImageMosaic::theTile, theWeights, and ossimImageData::validate().

Referenced by getTile().

 {
    ossimRefPtr<ossimImageData> currentImageData=NULL;
    ossim_uint32 band;
    double currentWeight = 1.0;
    double previousWeight = 1.0;
    // double sumOfWeights   = 1;
    long offset = 0;
    long row    = 0;
    long col    = 0;
    ossim_uint32 layerIdx = 0;
    currentImageData = getNextNormTile(layerIdx, 0, tileRect, resLevel);
   
    if(!currentImageData.get()) // if we don't have one then return theTile
    {
       return theTile;
    }
    theNormResult->makeBlank();
    float** srcBands  = new float*[theLargestNumberOfInputBands];
    float** destBands = new float*[theLargestNumberOfInputBands];
    float*  nullPix   = new float[theTile->getNumberOfBands()];
   
    previousWeight = theWeights[layerIdx];
    //    // now get the previous weight and then combine the two into one.
    // let's assign the bands
    for(band = 0; band < theLargestNumberOfInputBands; ++band)
    {
       destBands[band] = static_cast<float*>(theNormResult->getBuf(band));
       nullPix[band]   = static_cast<float>(theNormResult->getNullPix(band));
    }
    while(currentImageData.get())
    {
       ossimDataObjectStatus currentStatus     = currentImageData->getDataObjectStatus();
      
       // set the current weight for the current tile.
       currentWeight = theWeights[layerIdx];
      
       // sumOfWeights = previousWeight+currentWeight;
       if( (currentStatus != OSSIM_EMPTY) &&
           (currentStatus != OSSIM_NULL))
       {  
          long h = (long)currentImageData->getHeight();
          long w = (long)currentImageData->getWidth();
          offset = 0;
          ossim_uint32 minNumberOfBands = currentImageData->getNumberOfBands();
         
          // let's assign the bands
          for(band = 0; band < minNumberOfBands; ++band)
          {
             srcBands[band]  = static_cast<float*>(currentImageData->getBuf(band));
          }
          for(;band < theLargestNumberOfInputBands; ++band)
          {
             srcBands[band]  = srcBands[minNumberOfBands - 1];
          }
         
          if(currentStatus == OSSIM_PARTIAL)
          {
             for(row = 0; row < h; ++row)
             {
                for(col = 0; col < w; ++col)
                {
                   if(!currentImageData->isNull(offset))
                   {
                      for(band = 0; band < theLargestNumberOfInputBands; ++band)
                      {
                         if(destBands[band][offset] != nullPix[band])
                         {
                            destBands[band][offset] = static_cast<float>((destBands[band][offset]*previousWeight + 
                                                                          srcBands[band][offset]*currentWeight)/(previousWeight+currentWeight));
                         }
                         else
                         {
                            destBands[band][offset] = srcBands[band][offset];
                         }
                      }   
                   }
                   ++offset;
                }
             }
          }
          else
          {
             for(row = 0; row < h; ++row)
             {
                for(col = 0; col < w; ++col)
                {
                   for(band = 0; band < theLargestNumberOfInputBands; ++band)
                   {         
                      if(destBands[band][offset] != nullPix[band])
                      {
                         destBands[band][offset] = static_cast<float>((destBands[band][offset]*previousWeight+ 
                                                                       srcBands[band][offset]*currentWeight)/(previousWeight + currentWeight));
                      }
                      else
                      {
                         destBands[band][offset] = srcBands[band][offset];
                      }
                   }
                   ++offset;
                }
             }
          }
       }
       currentImageData = getNextNormTile(layerIdx, tileRect, resLevel);
       previousWeight   = (previousWeight+currentWeight)/2.0;
    }
    theNormResult->validate();
    theTile->copyNormalizedBufferToTile((float*)theNormResult->getBuf());
    delete [] srcBands;
    delete [] destBands;
    delete [] nullPix;
    theTile->validate();
 
    return theTile;   
 }

◆ findMinMax()

void ossimBlendMosaic::findMinMax	(	double &	minValue,
		double &	maxValue
	)		const

Definition at line 554 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    if(theWeights.size() > 0)
    {
       minValue = maxValue = theWeights[0];
 
       for(ossim_uint32 index = 1; index < theWeights.size(); ++index)
       {
          minValue = minValue < theWeights[index]?minValue:theWeights[index];
          maxValue = maxValue > theWeights[index]?maxValue:theWeights[index];
       }
    }
 }

◆ getTile()

ossimRefPtr< ossimImageData > ossimBlendMosaic::getTile	(	const ossimIrect &	rect,
		ossim_uint32	resLevel = `0`
	)

virtual

Returns: the requested region of interest

Reimplemented from ossimImageMosaic.

Definition at line 60 of file ossimBlendMosaic.cpp.

References combine(), combineNorm(), ossimRefPtr< T >::get(), ossimConnectableObject::getNumberOfInputs(), ossimRectilinearDataObject::getScalarType(), ossimImageMosaic::getTile(), ossimImageCombiner::hasDifferentInputs(), initialize(), ossimSource::isSourceEnabled(), ossimImageData::makeBlank(), OSSIM_FLOAT32, OSSIM_FLOAT64, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SINT16, OSSIM_SINT32, OSSIM_SINT8, OSSIM_UINT16, OSSIM_UINT32, OSSIM_UINT8, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, ossimNotify(), ossimNotifyLevel_NOTICE, ossimImageData::setImageRectangle(), size, theNormResult, ossimImageMosaic::theTile, and ossimRefPtr< T >::valid().

 {   
    // ossimIpt origin = tileRect.ul();
    if(!isSourceEnabled())
    {
       return ossimImageMosaic::getTile(tileRect, resLevel);
    }
    
    ossim_uint32 size = getNumberOfInputs();
    if(!theTile.get())
    {
       // try to initialize
       initialize();
 
       // if we still don't have a buffer
       // then we will leave
       if(!theTile.get())
       {
          return theTile;
       }
    }
 
    if(size == 0)
    {
       return ossimRefPtr<ossimImageData>();
    }
    if(size == 1)
    {
       return ossimImageMosaic::getTile(tileRect, resLevel);
    }
 
    theTile->setImageRectangle(tileRect);
    theTile->makeBlank();
    if(theNormResult.valid())
    {
       theNormResult->setImageRectangle(tileRect);
       theNormResult->makeBlank();
    }
    
    switch(theTile->getScalarType())
    {
       case OSSIM_UINT8:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_uint8>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_uint8>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_SINT8:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_sint8>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_sint8>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_FLOAT32: 
       case OSSIM_NORMALIZED_FLOAT:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<float>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<float>(0), tileRect, resLevel);
          }
       }
       case OSSIM_UINT16:
       case OSSIM_USHORT11:
       case OSSIM_USHORT12:
       case OSSIM_USHORT13:
       case OSSIM_USHORT14:
       case OSSIM_USHORT15:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_uint16>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_uint16>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_SINT16:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_sint16>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_sint16>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_SINT32:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_sint32>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_sint32>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_UINT32:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<ossim_uint32>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<ossim_uint32>(0), tileRect,
                                resLevel);
          }
       }
       case OSSIM_FLOAT64:
       case OSSIM_NORMALIZED_DOUBLE:
       {
          if(!hasDifferentInputs())
          {
             return combine(static_cast<double>(0), tileRect, resLevel);
          }
          else
          {
             return combineNorm(static_cast<double>(0), tileRect, resLevel);
          }
       }
       case OSSIM_SCALAR_UNKNOWN:
       default:
       {
          ossimNotify(ossimNotifyLevel_NOTICE)
             << "ossimBlendMosaic::getTile NOTICE:\n"
             << "Scalar type = " << theTile->getScalarType()
             << " Not supported by ossimImageMosaic" << endl;
        }
    }
 
    return ossimRefPtr<ossimImageData>();   
 }

◆ getWeight()

double ossimBlendMosaic::getWeight ( ossim_uint32 index ) const

Definition at line 586 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    if(index < theWeights.size())
    {
       return theWeights[index];
    }
    if(theWeights.size())
    {
       return theWeights[theWeights.size()-1];
    }
    return 0;
 }

◆ getWeights()

const vector< double > & ossimBlendMosaic::getWeights ( ) const

Definition at line 581 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    return theWeights;
 }

◆ initialize()

void ossimBlendMosaic::initialize ( )

virtual

Reimplemented from ossimImageMosaic.

Definition at line 34 of file ossimBlendMosaic.cpp.

References ossimImageMosaic::allocate(), ossimImageCombiner::hasDifferentInputs(), ossimImageMosaic::initialize(), ossimImageData::initialize(), OSSIM_NORMALIZED_FLOAT, ossimConnectableObject::theInputObjectList, ossimImageCombiner::theLargestNumberOfInputBands, theNormResult, and theWeights.

Referenced by getTile(), and ossimBlendMosaic().

 {   
    ossimImageMosaic::initialize();
 
    allocate();
 
    // only allocate this space if we have to
    if(hasDifferentInputs())
    {
       theNormResult = new ossimImageData(this,
                                          OSSIM_NORMALIZED_FLOAT,
                                          theLargestNumberOfInputBands);
       theNormResult->initialize();
    }
       
    if(theWeights.size() < theInputObjectList.size())
    {
       for(ossim_uint32 index =(ossim_uint32)theWeights.size();
           index < theInputObjectList.size();
           ++index)
       {
          theWeights.push_back(1.0);
       }
    }
 }

◆ loadState()

bool ossimBlendMosaic::loadState	(	const ossimKeywordlist &	kwl,
		const char *	prefix = `NULL`
	)

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 ossimImageMosaic.

Definition at line 475 of file ossimBlendMosaic.cpp.

References ossimString::c_str(), ossimKeywordlist::find(), ossimKeywordlist::getNumberOfSubstringKeys(), ossimImageMosaic::loadState(), theWeights, and ossimString::toString().

 {
    bool result = ossimImageMosaic::loadState(kwl, prefix);
    ossim_uint32 count = 0;
    theWeights.clear();
    if(result)
    {
       ossimString copyPrefix    = prefix;
       ossimString regExpression =  ossimString("^(") + copyPrefix + "weight[0-9]+)";
       ossim_uint32 result = kwl.getNumberOfSubstringKeys(regExpression);
             
       ossim_uint32 numberOfMatches = 0;
       while(numberOfMatches < result)
       {
          ossimString value = ossimString("weight") + ossimString::toString(count);
 
          const char* lookup = kwl.find(copyPrefix.c_str(),
                                        value.c_str());
          
          if(lookup)
          {
             ++numberOfMatches;
             theWeights.push_back(ossimString(lookup).toDouble());
          }
 
          ++count;
       }
    }
    
    return result;
 }

◆ normalizeWeights()

void ossimBlendMosaic::normalizeWeights ( )

Will find the min and max values and then normalize all weights to be from 0 to 1.

Definition at line 537 of file ossimBlendMosaic.cpp.

References theWeights.

 {
   double sumWeights=0.0;
   ossim_uint32 index = 0;
   for(index = 0; index < theWeights.size(); ++index)
     {
       sumWeights+=theWeights[index];
     }
   if(sumWeights > 0.0)
     {
       for(index = 0; index < theWeights.size(); ++index)
     {
       theWeights[index] /= sumWeights;
     }
     }
 }

◆ saveState()

bool ossimBlendMosaic::saveState	(	ossimKeywordlist &	kwl,
		const char *	prefix = `NULL`
	)		const

virtual

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

Return true if ok or false on error.

Reimplemented from ossimImageMosaic.

Definition at line 456 of file ossimBlendMosaic.cpp.

References ossimKeywordlist::add(), ossimString::c_str(), ossimImageMosaic::saveState(), theWeights, and ossimString::toString().

 {
    bool result = ossimImageMosaic::saveState(kwl, prefix);
 
    ossimString copyPrefix    = prefix;
    for(ossim_uint32 index = 0; index < theWeights.size(); ++index)
    {
       ossimString weightStr = ossimString("weight") +
                               ossimString::toString(index);
       kwl.add(copyPrefix.c_str(),
               weightStr.c_str(),
               theWeights[index],
               true);
    }
    
    return result;
 }

◆ setAllWeightsTo()

void ossimBlendMosaic::setAllWeightsTo ( double value )

Definition at line 529 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    for(ossim_uint32 index = 0; index < theWeights.size(); ++index)
    {
       theWeights[index] = value;
    }
 }

◆ setNumberOfWeights()

void ossimBlendMosaic::setNumberOfWeights ( ossim_uint32 numberOfWeights )

Definition at line 509 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    if(numberOfWeights > theWeights.size())
    {
       ossim_uint32 length = numberOfWeights - (ossim_uint32) theWeights.size();
       for(ossim_uint32 index= 0; index < length; ++ index)
       {
          theWeights.push_back(1.0);
       }
    }
    else if(numberOfWeights < theWeights.size())
    {
       // copy the list
       vector<double> temp(theWeights.begin(),
                           theWeights.begin()+numberOfWeights);
       // now shrink
       theWeights = temp;
    }
 }

◆ setWeight()

void ossimBlendMosaic::setWeight	(	ossim_uint32	index,
		double	weight
	)

Definition at line 568 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    if(index < theWeights.size())
    {
       theWeights[index] = weight;
    }
 }

◆ setWeights()

void ossimBlendMosaic::setWeights ( const std::vector< double > & weights )

Definition at line 576 of file ossimBlendMosaic.cpp.

References theWeights.

 {
    theWeights = weights;
 }

Member Data Documentation

◆ theNormResult

ossimRefPtr<ossimImageData> ossimBlendMosaic::theNormResult

protected

Definition at line 59 of file ossimBlendMosaic.h.

Referenced by combineNorm(), getTile(), and initialize().

◆ theWeights

vector<double> ossimBlendMosaic::theWeights

protected

Definition at line 58 of file ossimBlendMosaic.h.

Referenced by combine(), combineNorm(), findMinMax(), getWeight(), getWeights(), initialize(), loadState(), normalizeWeights(), saveState(), setAllWeightsTo(), setNumberOfWeights(), setWeight(), and setWeights().

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

◆ ossimBlendMosaic() [1/2]

◆ ossimBlendMosaic() [2/2]

◆ ~ossimBlendMosaic()

Member Function Documentation

◆ combine()

◆ combineNorm()

◆ findMinMax()

◆ getTile()

◆ getWeight()

◆ getWeights()

◆ initialize()

◆ loadState()

◆ normalizeWeights()

◆ saveState()

◆ setAllWeightsTo()

◆ setNumberOfWeights()

◆ setWeight()

◆ setWeights()

Member Data Documentation

◆ theNormResult

◆ theWeights