#include <ossimLinearStretchRemapper.h>

Inheritance diagram for ossimLinearStretchRemapper:

Public Member Functions
	ossimLinearStretchRemapper ()

virtual	~ossimLinearStretchRemapper ()

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

void	setMinPixelValue (double value, ossim_uint32 band=0)

void	setMaxPixelValue (double value, ossim_uint32 band=0)

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 void	initialize ()

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...

virtual ossimScalarType	getOutputScalarType () const
	This will be used to query the output pixel type of the tile source. 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)

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

Public Member Functions inherited from 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 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 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
void	allocate ()
	Called on first getTile, will initialize all data needed. More...

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
std::vector< double >	m_minValues

std::vector< double >	m_maxValues

ossimRefPtr< ossimImageData >	m_tile

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

Definition at line 34 of file ossimLinearStretchRemapper.h.

Constructor & Destructor Documentation

◆ ossimLinearStretchRemapper()

ossimLinearStretchRemapper::ossimLinearStretchRemapper ( )

Definition at line 26 of file ossimLinearStretchRemapper.cpp.

References ossimConnectableObject::setDescription().

 {
    setDescription("Remaps input from min-max to full range (0-1) of normalized float..");
 }

◆ ~ossimLinearStretchRemapper()

ossimLinearStretchRemapper::~ossimLinearStretchRemapper ( )

virtual

Definition at line 31 of file ossimLinearStretchRemapper.cpp.

32 {

33 }

Member Function Documentation

◆ allocate()

void ossimLinearStretchRemapper::allocate ( )

protected

Called on first getTile, will initialize all data needed.

Definition at line 120 of file ossimLinearStretchRemapper.cpp.

References ossimImageDataFactory::create(), ossimImageSource::getNumberOfOutputBands(), ossimImageSource::getTileHeight(), ossimImageSource::getTileWidth(), ossimImageData::initialize(), ossimImageDataFactory::instance(), m_tile, OSSIM_NORMALIZED_DOUBLE, ossimImageSourceFilter::theInputConnection, and ossimRefPtr< T >::valid().

Referenced by initialize().

 {
    if(!theInputConnection)
       return;
 
    m_tile = ossimImageDataFactory::instance()->create(this,
                                                       OSSIM_NORMALIZED_DOUBLE,
                                                       theInputConnection->getNumberOfOutputBands(),
                                                       theInputConnection->getTileWidth(),
                                                       theInputConnection->getTileHeight());
    if(m_tile.valid())
    {
       m_tile->initialize();
    }
 }

◆ getMaxPixelValue()

double ossimLinearStretchRemapper::getMaxPixelValue ( ossim_uint32 band = 0 ) const

virtual

Returns the max pixel of the band.

Reimplemented from ossimImageSource.

Definition at line 215 of file ossimLinearStretchRemapper.cpp.

References m_maxValues, and ossim::nan().

 {
    if (band< m_maxValues.size())
       return m_maxValues[band];
    return ossim::nan();
 }

◆ getMinPixelValue()

double ossimLinearStretchRemapper::getMinPixelValue ( ossim_uint32 band = 0 ) const

virtual

Returns the min pixel of the band.

Reimplemented from ossimImageSource.

Definition at line 208 of file ossimLinearStretchRemapper.cpp.

References m_minValues, and ossim::nan().

 {
    if (band< m_minValues.size())
       return m_minValues[band];
    return ossim::nan();
 }

◆ getOutputScalarType()

virtual ossimScalarType ossimLinearStretchRemapper::getOutputScalarType ( ) const

inlinevirtual

This will be used to query the output pixel type of the tile source.

Please ignore the argument. It will soon be removed.

Reimplemented from ossimImageSource.

Definition at line 56 of file ossimLinearStretchRemapper.h.

References OSSIM_NORMALIZED_DOUBLE.

56 { return OSSIM_NORMALIZED_DOUBLE; }

OSSIM_NORMALIZED_DOUBLE

64 bit normalized floating point

Definition: ossimConstants.h:296

◆ getTile()

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

virtual

Returns: the requested region of interest

Reimplemented from ossimImageSource.

Definition at line 35 of file ossimLinearStretchRemapper.cpp.

 {
    if(!theInputConnection)
       return 0;
 
    ossimRefPtr<ossimImageData> tile = theInputConnection->getTile(tileRect, resLevel);
    if ( !theEnableFlag )
       return tile;
 
    if (!tile || !tile->getBuf())
       return 0;
    if(!m_tile)
    {
       initialize();
       if (!m_tile)
          return 0;
    }
 
    m_tile->setImageRectangle(tileRect);
    m_tile->makeBlank();
 
    // Quick handling special case of empty input tile:
    if (tile->getDataObjectStatus() == OSSIM_EMPTY)
       return m_tile;
 
    ossim_uint32 maxLength = tile->getWidth()*tile->getHeight();
    double pixel;
    double null_pixel = theInputConnection->getNullPixelValue();
 
    ossim_uint32 numBands = theInputConnection->getNumberOfOutputBands();
    for (int i=0; i<numBands; ++i)
    {
       double delta = m_maxValues[i] - m_minValues[i];
       if (delta == 0)
          continue;
       double* outBuf = m_tile->getDoubleBuf(i);
       for (ossim_uint32 offset=0; offset<maxLength; ++offset)
       {
          // Convert input pixel to a double index value:
          switch(tile->getScalarType())
          {
          case OSSIM_DOUBLE:
          case OSSIM_NORMALIZED_DOUBLE:
             pixel = tile->getDoubleBuf(i)[offset];
             break;
          case OSSIM_SSHORT16:
             pixel = (double)(tile->getSshortBuf(i)[offset]);
             break;
          case OSSIM_FLOAT:
          case OSSIM_NORMALIZED_FLOAT:
             pixel = (double)(tile->getFloatBuf(i)[offset]);
             break;
          case OSSIM_UCHAR:
             pixel = (double)(tile->getUcharBuf(i)[offset]);
             break;
          case OSSIM_USHORT16:
          case OSSIM_USHORT11:
          case OSSIM_USHORT12:
          case OSSIM_USHORT13:
          case OSSIM_USHORT14:
          case OSSIM_USHORT15:
             pixel = (double)(tile->getUshortBuf(i)[offset]);
             break;
          default:
             break;
          }
 
          // Do not remap null pixels, leave the output pixel "blank" which is null-pixel value:
          if (pixel == null_pixel)
             continue;
 
          // Do linear remap:
          pixel = (pixel-m_minValues[i])/delta;
          if (pixel < 0.0)
             pixel = 0.0;
          if (pixel > 1.0)
             pixel = 1.0;
          outBuf[offset] = pixel;
       }
    }
    m_tile->validate();
    return m_tile;
 }

◆ initialize()

void ossimLinearStretchRemapper::initialize ( )

virtual

Reimplemented from ossimImageSourceFilter.

Definition at line 136 of file ossimLinearStretchRemapper.cpp.

References allocate(), ossimImageSource::getMaxPixelValue(), ossimImageSource::getMinPixelValue(), ossimImageSource::getNumberOfOutputBands(), ossimImageSourceFilter::initialize(), m_maxValues, m_minValues, m_tile, and ossimImageSourceFilter::theInputConnection.

Referenced by getTile().

 {
    // This assigns theInputConnection if one is there.
    ossimImageSourceFilter::initialize();
 
    m_tile = 0;
    if ( theInputConnection )
    {
       // Initialize the chain on the left hand side of us.
       //theInputConnection->initialize(); This is done by base class
       int numBands = theInputConnection->getNumberOfOutputBands();
       if ((m_minValues.size() != numBands) && (m_maxValues.size() != numBands))
       {
          m_minValues.resize(numBands);
          m_maxValues.resize(numBands);
          for (int i=0; i<numBands; ++i)
          {
             m_minValues[i] = theInputConnection->getMinPixelValue(i);
             m_maxValues[i] = theInputConnection->getMaxPixelValue(i);
          }
       }
       allocate();
    }
 }

◆ loadState()

bool ossimLinearStretchRemapper::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 ossimImageSourceFilter.

Definition at line 182 of file ossimLinearStretchRemapper.cpp.

References ossimKeywordlist::find(), m_maxValues, and m_minValues.

 {
    bool return_state = true;
    m_minValues.clear();
    m_maxValues.clear();
 
    vector<ossimString> minimums;
    vector<ossimString> maximums;
    ossimString minVals = kwl.find(prefix, MIN_VALUE_KW);
    ossimString maxVals = kwl.find(prefix, MAX_VALUE_KW);
    if(!minVals.empty() && !maxVals.empty())
    {
       minimums = minVals.split(" ");
       maximums = maxVals.split(" ");
       if (minimums.size() != maximums.size())
          return false;
 
       for (int i=0; i<minimums.size(); ++i)
       {
          m_minValues[i] = minimums[i].toDouble();
          m_maxValues[i] = maximums[i].toDouble();
       }
    }
    return true;
 }

◆ saveState()

bool ossimLinearStretchRemapper::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 ossimImageSourceFilter.

Definition at line 161 of file ossimLinearStretchRemapper.cpp.

References ossimKeywordlist::add(), m_maxValues, and m_minValues.

 {
    bool rtn_stat = true;
    ostringstream minstr, maxstr;
    int numBands = m_minValues.size();
    if ((numBands == 0) || (numBands != m_maxValues.size()))
       rtn_stat = false;
 
    for (int i=0; i<numBands; ++i)
    {
       minstr << " " << m_minValues[i];
       maxstr << " " << m_maxValues[i];
    }
 
    kwl.add(prefix, MIN_VALUE_KW, minstr.str().c_str(), true);
    kwl.add(prefix, MAX_VALUE_KW, maxstr.str().c_str(), true);
 
    rtn_stat &= ossimImageSourceFilter::saveState(kwl, prefix);
    return rtn_stat;
 }

◆ setMaxPixelValue()

void ossimLinearStretchRemapper::setMaxPixelValue	(	double	value,
		ossim_uint32	band = `0`
	)

Definition at line 229 of file ossimLinearStretchRemapper.cpp.

References m_maxValues.

 {
    if (m_maxValues.size() <= band)
       m_maxValues.resize(band+1);
    m_maxValues[band] = value;
 }

◆ setMinPixelValue()

void ossimLinearStretchRemapper::setMinPixelValue	(	double	value,
		ossim_uint32	band = `0`
	)

Definition at line 222 of file ossimLinearStretchRemapper.cpp.

References m_minValues.

 {
    if (m_minValues.size() <= band)
       m_minValues.resize(band+1);
    m_minValues[band] = value;
 }

Member Data Documentation

◆ m_maxValues

std::vector<double> ossimLinearStretchRemapper::m_maxValues

protected

Definition at line 66 of file ossimLinearStretchRemapper.h.

Referenced by getMaxPixelValue(), getTile(), initialize(), loadState(), saveState(), and setMaxPixelValue().

◆ m_minValues

std::vector<double> ossimLinearStretchRemapper::m_minValues

protected

Definition at line 65 of file ossimLinearStretchRemapper.h.

Referenced by getMinPixelValue(), getTile(), initialize(), loadState(), saveState(), and setMinPixelValue().

◆ m_tile

ossimRefPtr<ossimImageData> ossimLinearStretchRemapper::m_tile

protected

Definition at line 67 of file ossimLinearStretchRemapper.h.

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

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

◆ ossimLinearStretchRemapper()

◆ ~ossimLinearStretchRemapper()

Member Function Documentation

◆ allocate()

◆ getMaxPixelValue()

◆ getMinPixelValue()

◆ getOutputScalarType()

◆ getTile()

◆ initialize()

◆ loadState()

◆ saveState()

◆ setMaxPixelValue()

◆ setMinPixelValue()

Member Data Documentation

◆ m_maxValues

◆ m_minValues

◆ m_tile