#include <ossimErosionFilter.h>

Inheritance diagram for ossimErosionFilter:

Public Member Functions
	ossimErosionFilter (ossimObject *owner=NULL)

virtual void	initialize ()

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

void	setWindowSize (ossim_uint32 windowSize)
	Size of resampling kernel width & height. More...

ossim_uint32	getWindowSize () const

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

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

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

Public Member Functions inherited from ossimImageSourceFilter
	ossimImageSourceFilter (ossimObject *owner=NULL)

	ossimImageSourceFilter (ossimImageSource *inputSource)

	ossimImageSourceFilter (ossimObject owner, ossimImageSource inputSource)

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

virtual ossim_uint32	getNumberOfInputBands () const

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)

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

template<class T >
void	doErosion (T scalarType, ossimRefPtr< ossimImageData > &inputData)

Protected Member Functions inherited from ossimImageSourceFilter
virtual	~ossimImageSourceFilter ()

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
ossimRefPtr< ossimImageData >	theTile

ossimRefPtr< ossimImageData >	theTempTile

ossim_uint32	theWindowSize
	Used for recursion when recursive fill enabled More...

ossimPolygon	theValidImagePoly

Protected Attributes inherited from ossimImageSourceFilter
ossimImageSource *	theInputConnection

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

class ossimErosionFilter

Causes null pixels to erode neighboring valid pixels. This is the opposite of dilation. If a null pixel is detected inside the sampling window, the center pixel is set to null.

Definition at line 20 of file ossimErosionFilter.h.

Constructor & Destructor Documentation

◆ ossimErosionFilter()

ossimErosionFilter::ossimErosionFilter ( ossimObject * owner = NULL )

Definition at line 23 of file ossimErosionFilter.cpp.

References ossimConnectableObject::setDescription().

    :ossimImageSourceFilter(owner),
     theTile(0),
     theTempTile(0),
     theWindowSize(3)
 {
    setDescription(ossimString("Dilation Filter"));
 }

◆ ~ossimErosionFilter()

ossimErosionFilter::~ossimErosionFilter ( )

protectedvirtual

Definition at line 32 of file ossimErosionFilter.cpp.

33 {

34 }

Member Function Documentation

◆ doErosion()

template<class T >

void ossimErosionFilter::doErosion	(	T	scalarType,
		ossimRefPtr< ossimImageData > &	inputData
	)

protected

Definition at line 112 of file ossimErosionFilter.cpp.

References ossimRefPtr< T >::get(), ossimImageData::getBuf(), ossimDataObject::getDataObjectStatus(), ossimImageData::getHeight(), ossimImageData::getImageRectangle(), ossimImageData::getNullPix(), ossimImageData::getNumberOfBands(), ossimImageData::getWidth(), ossimPolygon::isPointWithin(), ossimImageData::loadTile(), ossim::min(), OSSIM_EMPTY, OSSIM_FULL, status, theTile, theValidImagePoly, theWindowSize, ossimIrect::ul(), ossimImageData::validate(), x, and y.

Referenced by getTile().

 {
    ossimDataObjectStatus status = inputData->getDataObjectStatus();
 
    if ((status == OSSIM_FULL) || (status == OSSIM_EMPTY))
    {
       // Nothing to do just copy the tile.
       theTile->loadTile(inputData.get());
       return;
    }
 
    ossim_int32 halfWindow = (ossim_int32)(theWindowSize >> 1);
    ossim_int32 x, y, kernelX, kernelY;   
    ossim_int32 iw = (ossim_int32)inputData->getWidth();
    ossim_int32 ih = (ossim_int32)inputData->getHeight();
    ossim_int32 ow = (ossim_int32)theTile->getWidth();
    ossim_int32 oh = (ossim_int32)theTile->getHeight();
    ossim_uint32 numBands = ossim::min(theTile->getNumberOfBands(), inputData->getNumberOfBands());
 
    // It may be that the input rect is the same size as the output (i.e., the tile bounds aren't
    // expanded in the input's request to permit full kernels for output edge pixels:
    ossim_uint32 i_offset = 0;
    ossim_int32 delta = (ossim_int32)((iw - ow) >> 1);
    ossim_int32 xi, yi;
    if (delta > 0)
       i_offset = (ossim_uint32) halfWindow*(iw + 1);
 
    ossimIpt tile_ul (theTile->getImageRectangle().ul());
    vector<double> values;
    for(ossim_uint32 bandIdx = 0; bandIdx < numBands; ++bandIdx)
    {
       T* inputBuf     = (T*)inputData->getBuf(bandIdx);
       T* outputBuf    = (T*)theTile->getBuf(bandIdx);
       if (!inputBuf || !outputBuf)
       {
          return; // Shouldn't happen...
       }
 
       const T NP = (T)inputData->getNullPix(bandIdx);
 
       for(y = 0; y < oh; ++y)
       {
          for(x = 0; x < ow; ++x)
          {
             bool null_found = true;
             const T CP = *(inputBuf+i_offset);
             ossimDpt ipt (tile_ul.x+x, tile_ul.y+y);
 
             if ((CP != NP) && theValidImagePoly.isPointWithin(ipt))
             {
                // Valid pixel found, need to check neighbors for null:
                null_found = false;
                values.clear();
                for(kernelY = -halfWindow; (kernelY<=halfWindow) && !null_found; ++kernelY)
                {
                   yi = y + kernelY + delta;
                   if ((yi < 0) || (y > ih))
                      continue;
 
                   for(kernelX = -halfWindow; (kernelX<=halfWindow) && !null_found; ++kernelX)
                   {
                      xi = x + kernelX + delta;
                      if ((xi < 0) || (x > iw))
                         continue;
 
                      T neighborPixel = *(inputBuf+kernelX+delta + (kernelY+delta)*iw);
                      if(neighborPixel == NP)
                      {
                         // Found a NULL pixel:
                         (*outputBuf) = NP;
                         null_found = true;
                      }
                   }
                }
             }
 
             if (null_found)
                (*outputBuf) = NP;
             else
                (*outputBuf) = CP;
 
             // Move over...
             ++inputBuf;
             ++outputBuf;
 
          } // End of loop in x direction.
 
          // Move down...
          inputBuf += iw - ow;
 
       }  // End of loop in y direction.
 
    }  // End of band loop.
 
    theTile->validate();
 
 }

◆ getProperty()

ossimRefPtr< ossimProperty > ossimErosionFilter::getProperty ( const ossimString & name ) const

virtual

Reimplemented from ossimImageSourceFilter.

Definition at line 227 of file ossimErosionFilter.cpp.

 {
    ossimRefPtr<ossimProperty> prop = 0;
    if (name == WINDOW_SIZE_KW)
    {
       prop = new ossimNumericProperty(WINDOW_SIZE_KW, ossimString::toString(theWindowSize), 3, 25);
       prop->setCacheRefreshBit();
       return prop;
    }
    return ossimImageSourceFilter::getProperty(name);
 }

◆ getPropertyNames()

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

virtual

Reimplemented from ossimImageSourceFilter.

Definition at line 239 of file ossimErosionFilter.cpp.

 {
    propertyNames.push_back(WINDOW_SIZE_KW);
    ossimImageSourceFilter::getPropertyNames(propertyNames);
 }

◆ getTile()

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

virtual

Returns: the requested region of interest

Reimplemented from ossimImageSource.

Definition at line 42 of file ossimErosionFilter.cpp.

References doErosion(), ossimImageData::dup(), ossimImageSource::getTile(), ossimImageSource::getValidImageVertices(), getWindowSize(), ossimSource::isSourceEnabled(), ossimIrect::lr(), OSSIM_CLOCKWISE_ORDER, OSSIM_FLOAT32, OSSIM_FLOAT64, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SINT16, OSSIM_UINT16, OSSIM_UINT32, OSSIM_UINT8, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, ossimNotify(), ossimNotifyLevel_WARN, ossimImageData::setImageRectangle(), ossimImageData::setImageRectangleAndBands(), theTile, theValidImagePoly, ossimIrect::ul(), ossimRefPtr< T >::valid(), ossimIpt::x, and ossimIpt::y.

 {
    if(!isSourceEnabled())
       return ossimImageSourceFilter::getTile(rect, resLevel);
 
    ossimRefPtr<ossimImageData> inputData;
    ossim_uint32 halfSize = getWindowSize()>>1;
    ossimIrect requestRect(rect.ul().x - halfSize,
                           rect.ul().y - halfSize,
                           rect.lr().x + halfSize,
                           rect.lr().y + halfSize);
 
    inputData =  ossimImageSourceFilter::getTile(requestRect, resLevel);
 
    if(!inputData.valid() || !inputData->getBuf())
       return inputData;
 
    vector<ossimIpt> viv;
    ossimImageSourceFilter::getValidImageVertices(viv, OSSIM_CLOCKWISE_ORDER, resLevel);
    theValidImagePoly = ossimPolygon(viv);
 
    if(!theTile.valid())
    {
       theTile = (ossimImageData*)inputData->dup();
       theTile->setImageRectangle(rect);
    }
    else
    {
       theTile->setImageRectangleAndBands(rect, inputData->getNumberOfBands());
    }
 
    switch(inputData->getScalarType())
    {
       case OSSIM_UINT8:
          doErosion(ossim_uint8(0), inputData);
          break;
       case OSSIM_USHORT11:
       case OSSIM_USHORT12:
       case OSSIM_USHORT13:
       case OSSIM_USHORT14:
       case OSSIM_USHORT15:
       case OSSIM_UINT16:
          doErosion(ossim_uint16(0), inputData);
          break;
       case OSSIM_SINT16:
          doErosion(ossim_sint16(0), inputData);
          break;
       case OSSIM_UINT32:
          doErosion(ossim_uint32(0), inputData);
          break;
       case OSSIM_FLOAT32:
       case OSSIM_NORMALIZED_FLOAT:
          doErosion(ossim_float32(0), inputData);
          break;
       case OSSIM_FLOAT64:
       case OSSIM_NORMALIZED_DOUBLE:
          doErosion(ossim_float64(0), inputData);
          break;
       default:
       {
          ossimNotify(ossimNotifyLevel_WARN)
             << "ossimErosionFilter::applyFilter WARNING:\n"
             << "Unhandled scalar type!" << endl;
       }
    }
    return theTile;
 }

◆ getWindowSize()

ossim_uint32 ossimErosionFilter::getWindowSize ( ) const

inline

Definition at line 31 of file ossimErosionFilter.h.

Referenced by getTile().

31 { return theWindowSize; }

ossimErosionFilter::theWindowSize

ossim_uint32 theWindowSize

Used for recursion when recursive fill enabled

Definition: ossimErosionFilter.h:54

◆ initialize()

void ossimErosionFilter::initialize ( )

virtual

Reimplemented from ossimImageSourceFilter.

Definition at line 36 of file ossimErosionFilter.cpp.

References ossimImageSourceFilter::initialize(), and theTile.

 {
    ossimImageSourceFilter::initialize();
    theTile = NULL;
 }

◆ loadState()

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

virtual

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

Return true if ok or false on error.

Reimplemented from ossimImageSourceFilter.

Definition at line 251 of file ossimErosionFilter.cpp.

References ossimKeywordlist::find().

 {
    const char* lookup = kwl.find(prefix, WINDOW_SIZE_KW.c_str());
    if (lookup)
       theWindowSize = ossimString(lookup).toUInt32();
    
    return ossimImageSourceFilter::loadState(kwl, prefix);
 }

◆ saveState()

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

virtual

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

Return true if ok or false on error.

Reimplemented from ossimImageSourceFilter.

Definition at line 245 of file ossimErosionFilter.cpp.

References ossimKeywordlist::add().

 {
    kwl.add(prefix, WINDOW_SIZE_KW.c_str(), theWindowSize, true);
    return ossimImageSourceFilter::saveState(kwl, prefix);
 }

◆ setProperty()

void ossimErosionFilter::setProperty ( ossimRefPtr< ossimProperty > property )

virtual

Reimplemented from ossimImageSourceFilter.

Definition at line 210 of file ossimErosionFilter.cpp.

References ossimRefPtr< T >::valid().

 {
    if (!property.valid())
       return;
 
    ossimString name = property->getName();
 
    if (name == WINDOW_SIZE_KW)
    {
       theWindowSize = property->valueToString().toUInt32();
    }
    else
    {
       ossimImageSourceFilter::setProperty(property);
    }
 }

◆ setWindowSize()

void ossimErosionFilter::setWindowSize ( ossim_uint32 windowSize )

inline

Size of resampling kernel width & height.

Definition at line 30 of file ossimErosionFilter.h.

Referenced by ossimShorelineTool::execute().

30 { theWindowSize = windowSize; }

ossimErosionFilter::theWindowSize

ossim_uint32 theWindowSize

Used for recursion when recursive fill enabled

Definition: ossimErosionFilter.h:54

Member Data Documentation

◆ theTempTile

ossimRefPtr<ossimImageData> ossimErosionFilter::theTempTile

protected

Definition at line 53 of file ossimErosionFilter.h.

◆ theTile

ossimRefPtr<ossimImageData> ossimErosionFilter::theTile

protected

Definition at line 52 of file ossimErosionFilter.h.

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

◆ theValidImagePoly

ossimPolygon ossimErosionFilter::theValidImagePoly

protected

Definition at line 55 of file ossimErosionFilter.h.

Referenced by doErosion(), and getTile().

◆ theWindowSize

ossim_uint32 ossimErosionFilter::theWindowSize

protected

Used for recursion when recursive fill enabled

Definition at line 54 of file ossimErosionFilter.h.

Referenced by doErosion().

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

◆ ossimErosionFilter()

◆ ~ossimErosionFilter()

Member Function Documentation

◆ doErosion()

◆ getProperty()

◆ getPropertyNames()

◆ getTile()

◆ getWindowSize()

◆ initialize()

◆ loadState()

◆ saveState()

◆ setProperty()

◆ setWindowSize()

Member Data Documentation

◆ theTempTile

◆ theTile

◆ theValidImagePoly

◆ theWindowSize