OSSIM LAS LIDAR reader. More...

#include <ossimLasReader.h>

Inheritance diagram for ossimLasReader:

Classes
class	Bucket
	Container class to hold accumulated point data. More...

Public Member Functions
	ossimLasReader ()
	default constructor More...

virtual	~ossimLasReader ()
	virtual destructor More...

virtual bool	open ()
	open method. More...

virtual bool	isOpen () const
	is open method. More...

virtual void	close ()
	Close method. More...

virtual ossimRefPtr< ossimImageData >	getTile (const ossimIrect &rect, ossim_uint32 resLevel=0)
	Returns a pointer to a tile given an origin representing the upper left corner of the tile to grab from the image. More...

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

virtual ossim_uint32	getNumberOfInputBands () const
	Gets bands. More...

virtual ossim_uint32	getNumberOfLines (ossim_uint32 resLevel=0) const
	Gets lines. More...

virtual ossim_uint32	getNumberOfSamples (ossim_uint32 resLevel=0) const
	Gets samples. More...

virtual ossim_uint32	getImageTileWidth () const
	Gets tile width. More...

virtual ossim_uint32	getImageTileHeight () const
	Gets tile height. More...

virtual ossim_uint32	getTileWidth () const

virtual ossim_uint32	getTileHeight () const

ossimScalarType	getOutputScalarType () const

virtual void	getEntryList (std::vector< ossim_uint32 > &entryList) const
	Gets entry list. More...

virtual ossim_uint32	getCurrentEntry () const

virtual bool	setCurrentEntry (ossim_uint32 entryIdx)

virtual ossimString	getShortName () const

virtual ossimString	getLongName () const

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

virtual double	getMinPixelValue (ossim_uint32 band=0) const

virtual double	getMaxPixelValue (ossim_uint32 band=0) const

virtual double	getNullPixelValue (ossim_uint32 band=0) const

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

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

virtual void	setProperty (ossimRefPtr< ossimProperty > property)
	Set propterty method. More...

virtual ossimRefPtr< ossimProperty >	getProperty (const ossimString &name) const
	Get propterty method. More...

virtual void	getPropertyNames (std::vector< ossimString > &propertyNames) const
	Get propterty names. More...

virtual ossim_uint32	getNumberOfDecimationLevels () const

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

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

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

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

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

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

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

virtual const ossimImageHandler *	getOverview () const

virtual bool	hasOverviews () const

virtual ossimFilename	createDefaultOverviewFilename () const

virtual ossimFilename	createDefaultGeometryFilename () const

virtual ossimFilename	createDefaultMetadataFilename () const

virtual ossimFilename	createDefaultHistogramFilename () const

virtual ossimFilename	createDefaultValidVerticesFilename () const

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

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

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

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

virtual bool	open (const ossimFilename &imageFile)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

virtual bool	hasMetaData () const

virtual ossimRefPtr< ossimNBandLutDataObject >	getLut () const

virtual bool	hasLut () const

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

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

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

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

virtual ossim_uint32	getNumberOfEntries () const

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

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

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

ossimFilename	getOverviewFile () const

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

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

ossim_uint32	getStartingResLevel () const

void	setStartingResLevel (ossim_uint32 level)

bool	getOpenOverviewFlag () const

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

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

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

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

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

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

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

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

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

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

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

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

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

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

virtual	~ossimImageSource ()

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

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

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

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

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

virtual bool	isIndexedData () const

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

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

virtual	~ossimSource ()

virtual bool	isSourceEnabled () const

virtual void	enableSource ()

virtual void	disableSource ()

virtual bool	getEnableFlag () const

virtual void	setEnableFlag (bool flag)

virtual bool	isInitialized () const

virtual void	setInitializedFlag (bool flag)

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

Public Member Functions inherited from ossimConnectableObject
	ossimConnectableObject (ossimObject *owner=0)
	Base constructor of this object. More...

	ossimConnectableObject (ossimObject *owner, ossim_int32 inputListSize, ossim_int32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimConnectableObject ()

void	setId (const ossimId &id)
	All connectable objects will have id's. More...

const ossimId &	getId () const
	Will allow us to get this object's id. More...

const ossimObject *	getOwner () const
	Fetches the current owner, most likely a container but not limited to one. More...

virtual void	changeOwner (ossimObject *owner)
	Permits changing the object's owner. More...

virtual void	setDescription (const ossimString &description)

virtual ossimString	getDescription () const

virtual bool	isConnected (ossimConnectableObjectDirectionType direction=CONNECTABLE_DIRECTION_INPUT) const
	will check the direction specified to see if all slots are full. More...

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findConnectableObject(const ossimId &id))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(RTTItypeid typeId, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(const ossimString &obj, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findInputObjectOfType(const ossimString &className))

virtual ossim_int32	findInputIndex (const ossimConnectableObject *object)
	Return a valid index of the input list if the passed in object is found else return -1. More...

virtual ossim_int32	findInputIndex (const ossimId &id)
	Return a valid index of the input list if the passed id is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimConnectableObject *object)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimId &id)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	getMyInputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual ossim_int32	getMyOutputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual bool	canConnectMyOutputTo (ossim_int32 myOutputIndex, const ossimConnectableObject *object) const
	default implementation is to allow anyone to connect to us. More...

virtual void	disconnect (ossimConnectableObject *object=0)
	Will disconnect the object passed in. More...

virtual void	disconnect (const ossimId &id)
	Will disconnect the object passed in. More...

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyInput (ossim_int32 inputIndex, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given input index and generate a connection event. More...

virtual void	disconnectMyInput (ossimConnectableObject *input, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Finds the index of the passed in input and calls disconnectMyInput(inputIndex, disconnectOutputFlag, createEventFlag);. More...

virtual void	disconnectMyInputs (ConnectableObjectList &inputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyOutput (ossim_int32 outputIndex, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given output index and generate a connection event. More...

virtual void	disconnectMyOutput (ossimConnectableObject *output, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the output object. More...

virtual void	disconnectMyOutputs (ConnectableObjectList &outputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual void	disconnectAllInputs ()
	Will disconnect all of the input objects. More...

virtual void	disconnectAllOutputs ()
	Will disconnect all of the output objects. More...

virtual ossim_int32	connectMyInputTo (ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will try to connect this objects input to the passed in object. More...

virtual ossim_int32	connectMyInputTo (ossim_int32 inputIndex, ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will connect the specified input to the passed in object. More...

virtual bool	connectMyInputTo (ConnectableObjectList &inputList, bool makeOutputConnection=true, bool createEventFlag=true)

virtual ossim_int32	connectMyOutputTo (ossimConnectableObject *outputObject, bool makeInputConnection=true, bool createEventFlag=true)
	Will try to connect this objects output to the passed in object. More...

virtual bool	connectMyOutputTo (ConnectableObjectList &outputList, bool makeInputConnection=true, bool createEventFlag=true)

virtual bool	connectInputList (ConnectableObjectList &inputList)
	Will disconnect itself from all inputs and reset to the passed in input list. More...

virtual bool	connectOutputList (ConnectableObjectList &outputList)
	Will disconnect itself from all outputs and reset to the passed in output list. More...

virtual ossim_uint32	getNumberOfInputs () const
	Returns the number of input objects. More...

virtual ossim_uint32	getNumberOfOutputs () const
	Return the number of output objects. More...

ossimConnectableObject *	getInput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getInput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

ossimConnectableObject *	getOutput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getOutput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

virtual void	setNumberOfInputs (ossim_int32 numberOfInputs)
	Will set the number of inputs. More...

virtual bool	getInputListIsFixedFlag () const

virtual bool	getOutputListIsFixedFlag () const

virtual void	setNumberOfOutputs (ossim_int32 numberOfInputs)
	Will set the number of outputs. More...

const ConnectableObjectList &	getInputList () const

const ConnectableObjectList &	getOutputList () const

ConnectableObjectList &	getInputList ()

ConnectableObjectList &	getOutputList ()

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const RTTItypeid &typeInfo, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const ossimString &className, bool recurse=true))

virtual void	propagateEventToOutputs (ossimEvent &event)

virtual void	propagateEventToInputs (ossimEvent &event)

virtual void	setProperty (const ossimString &name, const ossimString &value)

virtual ossim_uint32	saveStateOfAllInputs (ossimKeywordlist &kwl, bool saveThisStateFlag=true, ossim_uint32 objectIndex=1, const char *prefix=0) const
	Save the state of all inputs to a keyword list. More...

virtual bool	fillContainer (ossimConnectableContainer &container)
	Inserts this object and all of its children and inputs into the container provided. More...

bool	moveInputUp (const ossimId &id)
	Moves the input connection matching id up one in the connection list. More...

bool	moveInputDown (const ossimId &id)
	Moves the input connection matching id down one in the connection list. More...

bool	moveInputToTop (const ossimId &id)
	Moves the input connection matching id to the top of the connection list. More...

bool	moveInputToBottom (const ossimId &id)
	Moves the input connection matching id to the bottom of the connection list. More...

virtual void	accept (ossimVisitor &visitor)
	We will add a visitor interface for all connectable objects. More...

Public Member Functions inherited from ossimObject
	ossimObject ()

virtual	~ossimObject ()

virtual ossimObject *	dup () const

virtual ossimString	getClassName () const

virtual RTTItypeid	getType () const

virtual bool	canCastTo (ossimObject *obj) const

virtual bool	canCastTo (const RTTItypeid &id) const

virtual bool	canCastTo (const ossimString &parentClassName) const

virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const

Public Member Functions inherited from ossimReferenced
	ossimReferenced ()

	ossimReferenced (const ossimReferenced &)

ossimReferenced &	operator= (const ossimReferenced &)

void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

int	referenceCount () const

Public Member Functions inherited from ossimListenerManager
	ossimListenerManager ()

virtual	~ossimListenerManager ()

virtual void	fireEvent (ossimEvent &event)

virtual bool	addListener (ossimListener *listener)

virtual bool	removeListener (ossimListener *listener)

virtual bool	findListener (ossimListener *listener)

Public Member Functions inherited from ossimPropertyInterface
	ossimPropertyInterface ()

virtual	~ossimPropertyInterface ()

virtual ossimString	getPropertyValueAsString (const ossimString &name) const

void	getPropertyList (std::vector< ossimRefPtr< ossimProperty > > &propertyList) const

void	setProperties (std::vector< ossimRefPtr< ossimProperty > > &propertyList)

Public Member Functions inherited from ossimErrorStatusInterface
	ossimErrorStatusInterface ()

virtual	~ossimErrorStatusInterface ()

virtual ossimErrorCode	getErrorStatus () const

virtual ossimString	getErrorStatusString () const

virtual void	setErrorStatus (ossimErrorCode error_status) const

virtual void	setErrorStatus () const

virtual void	clearErrorStatus () const

bool	hasError () const

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

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

virtual ossimRefPtr< ossimImageGeometry >	getInternalImageGeometry () const

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

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

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

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

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

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

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

const ossimImageSource &	operator= (const ossimImageSource &)

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

const ossimSource &	operator= (const ossimSource &rhs)

Protected Member Functions inherited from ossimConnectableObject
ossimConnectableObject *	findObjectOfType (ConnectableObjectList *connectableList, ossimVisitor &visitor)

Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

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

Private Member Functions
bool	init ()

void	initValues ()

bool	initProjection ()

void	initTile ()

void	initUnits (const ossimKeywordlist &geomKwl)

bool	parseVarRecords ()

bool	initFromExternalMetadata ()
	Looks for external FGDC text file to initialize projection from. More...

void	getScale (ossimDpt &scale, ossim_uint32 resLevel) const
	Get the scale for resLevel. More...

void	setGsd (const ossim_float64 &gsd)
	Sets m_gsd data member and projection if projection is set. More...

void	convertToMeters (ossim_float64 &value) const

ossimLasPointRecordInterface *	getNewPointRecord () const
	Returns a point of type. More...

Private Attributes
std::ifstream	m_str

ossimLasHdr *	m_hdr

ossimRefPtr< ossimProjection >	m_proj

ossimDpt	m_ul

ossimDpt	m_lr

ossim_float64	m_maxZ

ossim_float64	m_minZ

ossimDpt	m_gsd

ossimRefPtr< ossimImageData >	m_tile

ossim_uint8	m_entry

std::mutex	m_mutex

bool	m_scan

ossimUnitType	m_units

ossimUnitConversionTool *	m_unitConverter

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

Public Types inherited from ossimConnectableObject
enum	ossimConnectableObjectDirectionType { CONNECTABLE_DIRECTION_NONE = 0, CONNECTABLE_DIRECTION_INPUT = 1, CONNECTABLE_DIRECTION_OUTPUT = 2 }

typedef std::vector< ossimRefPtr< ossimConnectableObject > >	ConnectableObjectList

Protected Attributes inherited from ossimImageHandler
ossimFilename	theImageFile

ossimFilename	theOverviewFile

ossimFilename	theSupplementaryDirectory

ossimRefPtr< ossimImageHandler >	theOverview

vector< ossimIpt >	theValidImageVertices

ossimImageMetaData	theMetaData

ossimRefPtr< ossimImageGeometry >	theGeometry

ossimRefPtr< ossimNBandLutDataObject >	theLut

std::vector< ossimDpt >	theDecimationFactors

ossimString	theImageID

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

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

ossimPixelType	thePixelType

std::shared_ptr< ossim::ImageHandlerState >	m_state

Protected Attributes inherited from ossimSource
bool	theEnableFlag

bool	theInitializedFlag

Protected Attributes inherited from ossimConnectableObject
ossimId	theId

ossimString	theDescription

ossimObject *	theOwner

bool	theInputListIsFixedFlag
	Indicates whether the theInputObjectList is fixed. More...

bool	theOutputListIsFixedFlag
	Indicates whether the theOutputObjectList is fixed. More...

ConnectableObjectList	theInputObjectList
	Holds a list of input objects. More...

ConnectableObjectList	theOutputObjectList
	Holds a list of output objects. More...

Protected Attributes inherited from ossimListenerManager
std::list< ossimListener * >	theListenerList

bool	theEnabledFlag

std::list< ossimListener * >	theDelayedAdd

std::list< ossimListener * >	theDelayedRemove

bool	theFireEventFlag

Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode	theErrorStatus

Detailed Description

OSSIM LAS LIDAR reader.

Definition at line 33 of file ossimLasReader.h.

Constructor & Destructor Documentation

◆ ossimLasReader()

ossimLasReader::ossimLasReader ( )

default constructor

Definition at line 54 of file ossimLasReader.cpp.

References m_gsd, and ossimDpt::makeNan().

    : ossimImageHandler(),
      m_str(),
      m_hdr(0),
      m_proj(0),
      m_ul(),
      m_lr(),
      m_maxZ(0.0),
      m_minZ(0.0),
      m_gsd(),
      m_tile(0),
      m_entry(0),
      m_mutex(),
      m_scan(false), // ???
      m_units(OSSIM_METERS),
      m_unitConverter(0)   
 {
    //---
    // Nan out as can be set in several places, i.e. setProperty,
    // loadState and initProjection.
    //---
    m_gsd.makeNan();
 }

◆ ~ossimLasReader()

ossimLasReader::~ossimLasReader ( )

virtual

virtual destructor

Definition at line 78 of file ossimLasReader.cpp.

References close().

 {
    close();
 }

Member Function Documentation

◆ close()

void ossimLasReader::close ( )

virtual

Close method.

Reimplemented from ossimImageHandler.

Definition at line 154 of file ossimLasReader.cpp.

References ossimImageHandler::close(), isOpen(), m_entry, m_hdr, m_proj, m_str, and m_tile.

Referenced by ~ossimLasReader().

 {
    if ( isOpen() )
    {
       m_str.close();
       delete m_hdr;
       m_hdr = 0;
       m_entry = 0;
       m_tile  = 0;
       m_proj  = 0;
       ossimImageHandler::close();
    }
 }

◆ completeOpen()

void ossimLasReader::completeOpen ( )

protectedvirtual

Will complete the opening process.

Overrides ossimImageHandler::completeOpen() as we do not ever have overviews.

Reimplemented from ossimImageHandler.

Definition at line 149 of file ossimLasReader.cpp.

References ossimImageHandler::establishDecimationFactors().

 {
    establishDecimationFactors();
 }

◆ convertToMeters()

void ossimLasReader::convertToMeters ( ossim_float64 & value ) const

inlineprivate

Definition at line 322 of file ossimLasReader.h.

References ossimUnitConversionTool::getMeters(), m_unitConverter, m_units, and ossimUnitConversionTool::setValue().

Referenced by getTile(), and initValues().

 {
    if ( value )
    {
       m_unitConverter->setValue(value, m_units);
       value = m_unitConverter->getMeters();
    }
 }

◆ getCurrentEntry()

ossim_uint32 ossimLasReader::getCurrentEntry ( ) const

virtual

Returns: The current entry number.

Reimplemented from ossimImageHandler.

Definition at line 432 of file ossimLasReader.cpp.

References m_entry.

 {
    return static_cast<ossim_uint32>(m_entry);
 }

◆ getEntryList()

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

virtual

Gets entry list.

Parameters

entryList This is the list to initialize with entry indexes.

Reimplemented from ossimImageHandler.

Definition at line 414 of file ossimLasReader.cpp.

References isOpen().

Referenced by setCurrentEntry().

 {
    if ( isOpen() )
    {
       entryList.push_back(0);
       entryList.push_back(1);
       entryList.push_back(2);
       //for ( ossim_uint32 entry = 0; entry < 15; ++entry )
       //{
       //   if ( m_hdr->getNumberOfPoints(entry) ) entryList.push_back(entry);
       //}
    }
    else
    {
       entryList.clear();
    }
 }

◆ getImageGeometry()

ossimRefPtr< ossimImageGeometry > ossimLasReader::getImageGeometry ( )

virtual

Returns the image geometry object associated with this tile source or NULL if non defined.

The geometry contains full-to-local image transform as well as projection (image-to-world).

Reimplemented from ossimImageHandler.

Definition at line 469 of file ossimLasReader.cpp.

References ossimImageGeometryRegistry::extendGeometry(), ossimRefPtr< T >::get(), ossimMapProjection::getDatum(), ossimImageGeometry::getDegreesPerPixel(), ossimImageHandler::getExternalImageGeometry(), ossimImageGeometry::getMetersPerPixel(), getNumberOfLines(), getNumberOfSamples(), ossimImageGeometry::getProjection(), ossimImageHandler::initImageParameters(), initValues(), ossimImageGeometryRegistry::instance(), ossimMapProjection::isGeographic(), m_gsd, m_proj, m_ul, m_units, OSSIM_DEGREES, OSSIM_METERS, ossimImageGeometry::setImageSize(), ossimImageGeometry::setProjection(), ossimMapProjection::setUlTiePoints(), ossimImageHandler::theGeometry, true, ossimRefPtr< T >::valid(), ossimIpt::x, ossimDpt::x, ossimIpt::y, and ossimDpt::y.

Referenced by init().

 {
    if ( !theGeometry )
    {
       // Check for external geom:
       theGeometry = getExternalImageGeometry();
       if ( theGeometry.valid() == true )
       {
          // Picked up an external geometry file(dot.geom).
          m_proj = theGeometry->getProjection();
 
          ossimRefPtr<ossimMapProjection> proj = dynamic_cast<ossimMapProjection*>( m_proj.get() );
          if ( proj.valid() == true )
          {
             // Set the units:
             if ( proj->isGeographic() )
             {
                m_units = OSSIM_DEGREES;
             }
             else
             {
                // Currently hard coding to meters. May need to add property to override this.
                m_units = OSSIM_METERS;
             }
 
             // Call initValues to set the tie point / bounds:
             initValues();
 
             // Set the tie and gsd:
             if ( proj->isGeographic() )
             {
                m_units = OSSIM_DEGREES;
                ossimGpt gpt(m_ul.y, m_ul.x, 0.0, proj->getDatum() );
                proj->setUlTiePoints( gpt );
                theGeometry->getDegreesPerPixel( m_gsd );
             }
             else
             {
                // Currently hard coding to meters. May need to add property to override this.
                m_units = OSSIM_METERS;
                proj->setUlTiePoints(m_ul);
                theGeometry->getMetersPerPixel( m_gsd );
             }
 
             ossimIpt imgSize;
             imgSize.x = (ossim_int32)getNumberOfSamples(0);
             imgSize.y = (ossim_int32)getNumberOfLines(0);
 
             theGeometry->setImageSize( imgSize );
          }
       }
 
       if ( !theGeometry )
       {
          theGeometry = new ossimImageGeometry();
          if ( m_proj.valid() )
          {
             theGeometry->setProjection( m_proj.get() );
          }
          else
          {
             //---
             // WARNING:
             // Must create/set theGeometry at this point or the next call to 
             // ossimImageGeometryRegistry::extendGeometry will put us in an infinite loop
             // as it does a recursive call back to ossimImageHandler::getImageGeometry().
             //---         
 
             // Try factories for projection.
             ossimImageGeometryRegistry::instance()->extendGeometry(this);
          }
       }
       
       // Set image things the geometry object should know about.
       initImageParameters( theGeometry.get() );
    }
    
    return theGeometry;
 }

◆ getImageTileHeight()

ossim_uint32 ossimLasReader::getImageTileHeight ( ) const

virtual

Gets tile height.

Satisfies ossimImageHandler::getImageTileHeight pure virtual.

Returns: The tile width of the image or 0 if the image is not tiled. Note: this is not the same as the ossimImageSource::getTileWidth which returns the output tile width which can be different than the internal image tile width on disk.

Implements ossimImageHandler.

Definition at line 387 of file ossimLasReader.cpp.

 {
    return 0;
 }

◆ getImageTileWidth()

ossim_uint32 ossimLasReader::getImageTileWidth ( ) const

virtual

Gets tile width.

Satisfies ossimImageHandler::getImageTileWidth pure virtual.

Returns: The tile width of the image or 0 if the image is not tiled. Note: this is not the same as the ossimImageSource::getTileWidth which returns the output tile width which can be different than the internal image tile width on disk.

Implements ossimImageHandler.

Definition at line 382 of file ossimLasReader.cpp.

 {
    return 0;
 }

◆ getLongName()

ossimString ossimLasReader::getLongName ( ) const

virtual

Returns: "ossim las (liblas) reader"

Reimplemented from ossimObject.

Definition at line 464 of file ossimLasReader.cpp.

 {
    return ossimString("ossim las reader");
 }

◆ getMaxPixelValue()

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

virtual

Returns: Min pixel value.

Reimplemented from ossimImageHandler.

Definition at line 554 of file ossimLasReader.cpp.

References m_maxZ.

Referenced by initTile().

 {
    return m_maxZ;
 }

◆ getMinPixelValue()

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

virtual

Returns: Min pixel value.

Reimplemented from ossimImageHandler.

Definition at line 549 of file ossimLasReader.cpp.

References m_minZ.

Referenced by initTile().

 {
    return m_minZ;
 }

◆ getNewPointRecord()

ossimLasPointRecordInterface * ossimLasReader::getNewPointRecord ( ) const

private

Returns a point of type.

Definition at line 1224 of file ossimLasReader.cpp.

References ossimLasHdr::getPointDataFormatId(), and m_hdr.

Referenced by getTile(), and initValues().

 {
    ossimLasPointRecordInterface* result = 0;
 
    switch(m_hdr->getPointDataFormatId())
    {
       case 0:
       {
          result = new ossimLasPointRecord0();
          break;
       }
       case 1:
       {
          result = new ossimLasPointRecord1();
          break;
       }
       case 2:
       {
          result = new ossimLasPointRecord2();
          break;
       }
       case 3:
       {
          result = new ossimLasPointRecord3();
          break;
       }
       case 4:
       {
          result = new ossimLasPointRecord4();
          break;
       }
       default:
       {
          break;
       }
    }
 
    return result;
 }

◆ getNullPixelValue()

double ossimLasReader::getNullPixelValue ( ossim_uint32 band = 0 ) const

virtual

Returns: Min pixel value.

Reimplemented from ossimImageHandler.

Definition at line 559 of file ossimLasReader.cpp.

Referenced by initTile().

 {
    return -99999.0;
 }

◆ getNumberOfDecimationLevels()

ossim_uint32 ossimLasReader::getNumberOfDecimationLevels ( ) const

virtual

Returns: The total number of decimation levels.

Reimplemented from ossimImageHandler.

Definition at line 564 of file ossimLasReader.cpp.

References getNumberOfLines(), and getNumberOfSamples().

 {
    // Can support any number of rlevels.
    ossim_uint32 result = 1;
    const ossim_uint32 STOP_DIMENSION = 16;
    ossim_uint32 largestImageDimension = getNumberOfSamples(0) > getNumberOfLines(0) ?
       getNumberOfSamples(0) : getNumberOfLines(0);
    while(largestImageDimension > STOP_DIMENSION)
    {
       largestImageDimension /= 2;
       ++result;
    }
    return result; 
 }

◆ getNumberOfInputBands()

ossim_uint32 ossimLasReader::getNumberOfInputBands ( ) const

virtual

Gets bands.

Satisfies ossimImageSource::getNumberOfInputBands pure virtual.

Number of bands.

Implements ossimImageSource.

Definition at line 349 of file ossimLasReader.cpp.

 {
    return 1; // tmp
 }

◆ getNumberOfLines()

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

virtual

Gets lines.

Satisfies ossimImageHandler::getNumberOfLines pure virtual.

Parameters

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

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

Implements ossimImageHandler.

Definition at line 360 of file ossimLasReader.cpp.

References isOpen(), m_gsd, m_lr, m_ul, and ossimDpt::y.

Referenced by getImageGeometry(), and getNumberOfDecimationLevels().

 {
    ossim_uint32 result = 0;
    if ( isOpen() )
    {
       result = static_cast<ossim_uint32>(ceil((m_ul.y - m_lr.y) / m_gsd.y));
       if (resLevel) result = (result>>resLevel);
    }
    return result;
 }

◆ getNumberOfOutputBands()

ossim_uint32 ossimLasReader::getNumberOfOutputBands ( ) const

virtual

Returns the number of bands in a tile returned from this TileSource.

Reimplemented from ossimImageSource.

Definition at line 354 of file ossimLasReader.cpp.

References m_entry.

Referenced by getTile(), and initTile().

 {
   if(m_entry == 1) return 3;
   return 1;
 }

◆ getNumberOfSamples()

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

virtual

Gets samples.

Satisfies ossimImageHandler::getNumberOfSamples

Parameters

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

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

Implements ossimImageHandler.

Definition at line 371 of file ossimLasReader.cpp.

References isOpen(), m_gsd, m_lr, m_ul, and ossimDpt::x.

Referenced by getImageGeometry(), and getNumberOfDecimationLevels().

 {
    ossim_uint32 result = 0;
    if ( isOpen() )
    {
       result = static_cast<ossim_uint32>(ceil((m_lr.x - m_ul.x) / m_gsd.x));
       if (resLevel) result = (result>>resLevel);
    }
    return result;
 }

◆ getOutputScalarType()

ossimScalarType ossimLasReader::getOutputScalarType ( ) const

virtual

Returns: The output pixel type of the tile source.

Reimplemented from ossimImageSource.

Definition at line 406 of file ossimLasReader.cpp.

References m_entry, OSSIM_FLOAT32, and OSSIM_UINT16.

Referenced by initTile().

 {
    //return OSSIM_FLOAT32;
    ossimScalarType stype = OSSIM_FLOAT32;
    if(m_entry == 1 || m_entry == 2) stype = OSSIM_UINT16;
    return stype;
 }

◆ getProperty()

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

virtual

Get propterty method.

Overrides ossimImageHandler::getProperty.

Parameters

name	Property name to get.

Reimplemented from ossimImageHandler.

Definition at line 638 of file ossimLasReader.cpp.

 {
    ossimRefPtr<ossimProperty> prop = 0;
    if ( name == GSD_KW )
    {
       ossimString value = ossimString::toString(m_gsd.x);
       prop = new ossimStringProperty(name, value);
    }
    else if ( name == SCAN_KW )
    {
       prop = new ossimBooleanProperty(name, m_scan);
    }
    else
    {
       prop = ossimImageHandler::getProperty(name);
    }
    return prop;
 }

◆ getPropertyNames()

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

virtual

Get propterty names.

Overrides ossimImageHandler::getPropertyNames.

Parameters

propertyNames Array to initialize.

Reimplemented from ossimImageHandler.

Definition at line 657 of file ossimLasReader.cpp.

 {
    propertyNames.push_back( ossimString(GSD_KW) );
    propertyNames.push_back( ossimString(SCAN_KW) );
    ossimImageHandler::getPropertyNames(propertyNames);
 }

◆ getScale()

void ossimLasReader::getScale	(	ossimDpt &	scale,
		ossim_uint32	resLevel
	)		const

private

Get the scale for resLevel.

Definition at line 1264 of file ossimLasReader.cpp.

References m_gsd, ossimDpt::x, and ossimDpt::y.

Referenced by getTile().

 {
    // std::pow(2.0, 0) returns 1.
    ossim_float64 d = std::pow(2.0, static_cast<double>(resLevel));
    scale.x = m_gsd.x * d;
    scale.y = m_gsd.y * d;
 }

◆ getShortName()

ossimString ossimLasReader::getShortName ( ) const

virtual

Returns: "las"

Reimplemented from ossimObject.

Definition at line 459 of file ossimLasReader.cpp.

 {
    return ossimString("las");
 }

◆ getTile() [1/2]

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

virtual

Returns a pointer to a tile given an origin representing the upper left corner of the tile to grab from the image.

Satisfies pure virtual from TileSource class.

Reimplemented from ossimImageSource.

Definition at line 168 of file ossimLasReader.cpp.

References ossimRefPtr< T >::get(), ossimDataObject::getDataObjectStatus(), initTile(), m_tile, ossimImageData::makeBlank(), OSSIM_NULL, ossimImageData::setImageRectangle(), and ossimRefPtr< T >::valid().

 {
    if ( m_tile.valid() == false )
    {
       initTile(); // First time through.
    }
    
    if ( m_tile.valid() )
    {
       // Image rectangle must be set prior to calling getTile.
       m_tile->setImageRectangle(tile_rect);
 
       if ( getTile( m_tile.get(), resLevel ) == false )
       {
          if (m_tile->getDataObjectStatus() != OSSIM_NULL)
          {
             m_tile->makeBlank();
          }
       }
    }
 
    return m_tile;
 }

◆ getTile() [2/2]

bool ossimLasReader::getTile	(	ossimImageData *	result,
		ossim_uint32	resLevel = `0`
	)

virtual

Method to get a tile.

Parameters

result The tile to stuff. Note The requested rectangle in full image space and bands should be set in the result tile prior to passing. It will be an error if: result.getNumberOfBands() != this->getNumberOfOutputBands()

Returns: true on success false on error. If return is false, result is undefined so caller should handle appropriately with makeBlank or whatever.

Reimplemented from ossimImageSource.

Definition at line 193 of file ossimLasReader.cpp.

 {
    // static const char MODULE[] = "ossimLibLasReader::getTile(ossimImageData*, level)";
 
    bool status = false;
 
 
    if ( m_hdr && result && (result->getScalarType() == OSSIM_FLOAT32||result->getScalarType() == OSSIM_UINT16) &&
         (result->getDataObjectStatus() != OSSIM_NULL) &&
         !m_ul.hasNans() && !m_gsd.hasNans() )
    {
       status = true;
       
       const ossimIrect  TILE_RECT   = result->getImageRectangle();
       const ossim_int32 TILE_HEIGHT = static_cast<ossim_int32>(TILE_RECT.height());
       const ossim_int32 TILE_WIDTH  = static_cast<ossim_int32>(TILE_RECT.width());
       const ossim_int32 TILE_SIZE   = static_cast<ossim_int32>(TILE_RECT.area());
 
       // Get the scale for this resLevel:
       ossimDpt scale;
       getScale(scale, resLevel);
       
       // Set the starting upper left of upper left pixel for this tile.
       const ossimDpt UL_PROG_PT( m_ul.x - scale.x / 2.0 + TILE_RECT.ul().x * scale.x,
                                  m_ul.y + scale.y / 2.0 - TILE_RECT.ul().y * scale.y);
       //const ossimDpt UL_PROG_PT( m_ul.x + TILE_RECT.ul().x * scale.x,
       //                           m_ul.y + scale.y / 2.0 - TILE_RECT.ul().y * scale.y);
 
       //---
       // Set the lower right to the edge of the tile boundary.  This looks like an
       // "off by one" error but it's not.  We want the ossimDrect::pointWithin to
       // catch any points in the last line sample.
       //---
       const ossimDpt LR_PROG_PT( UL_PROG_PT.x + TILE_WIDTH  * scale.x,
                                  UL_PROG_PT.y - TILE_HEIGHT * scale.y);
       
       const ossimDrect PROJ_RECT(UL_PROG_PT, LR_PROG_PT, OSSIM_RIGHT_HANDED);
 
 #if 0  /* Please leave for debug. (drb) */
       cout << "m_ul: " << m_ul
            << "\nm_gsd: " << m_gsd
            << "\nscale:   " << scale
            << "\nresult->getScalarType(): " << result->getScalarType()
            << "\nresult->getDataObjectStatus(): " << result->getDataObjectStatus()
            << "\nPROJ_RECT: " << PROJ_RECT
            << "\nTILE_RECT: " << TILE_RECT
            << "\nUL_PROG_PT: " << UL_PROG_PT << endl;
 #endif
 
       const ossim_float64 SCALE_X  = m_hdr->getScaleFactorX();
       const ossim_float64 SCALE_Y  = m_hdr->getScaleFactorY();
       const ossim_float64 SCALE_Z  = m_hdr->getScaleFactorZ();
       const ossim_float64 OFFSET_X = m_hdr->getOffsetX();
       const ossim_float64 OFFSET_Y = m_hdr->getOffsetY();
       const ossim_float64 OFFSET_Z = m_hdr->getOffsetZ();
 
       // Create array of buckets.
       std::vector<ossimLasReader::Bucket> bucket( TILE_SIZE );
 
       // Loop through the point data.
       ossimLasPointRecordInterface* lasPtRec = getNewPointRecord();
       ossimDpt lasPt;
 
       m_str.clear();
       m_str.seekg(m_hdr->getOffsetToPointData());
 
       while ( m_str.good() )
       {
          // m_str.read((char*)lasPtRec, 28);
          lasPtRec->readStream( m_str );
 
          //if ( lasPtRec->getReturnNumber() == ENTRY )
          //{
          lasPt.x = lasPtRec->getX() * SCALE_X + OFFSET_X;
          lasPt.y = lasPtRec->getY() * SCALE_Y + OFFSET_Y;
          if ( m_unitConverter )
          {
             convertToMeters(lasPt.x);
             convertToMeters(lasPt.y);
          }
          if ( PROJ_RECT.pointWithin( lasPt ) )
          {
             // Compute the bucket index:
             ossim_int32 line = static_cast<ossim_int32>((UL_PROG_PT.y - lasPt.y) / scale.y);
             ossim_int32 samp = static_cast<ossim_int32>((lasPt.x - UL_PROG_PT.x) / scale.x );
             ossim_int32 bucketIndex = line * TILE_WIDTH + samp;
                
             // Range check and add if in there.
             if ( ( bucketIndex >= 0 ) && ( bucketIndex < TILE_SIZE ) )
             {
                ossim_float64 z = lasPtRec->getZ() * SCALE_Z + OFFSET_Z;
                if (  m_unitConverter ) convertToMeters(z);
                bucket[bucketIndex].add( z ); 
                bucket[bucketIndex].setRed(lasPtRec->getRed());
                bucket[bucketIndex].setGreen(lasPtRec->getGreen());
                bucket[bucketIndex].setBlue(lasPtRec->getBlue());
                bucket[bucketIndex].setIntensity(lasPtRec->getIntensity());
 
             }
          }
          //}
          if ( m_str.eof() ) break;
       }
       delete lasPtRec;
       lasPtRec = 0;
 
       //---
       // We must always blank out the tile as we may not have a point for every
       // point.
       //---
       result->makeBlank();
 
       //ossim_float32* buf = result->getFloatBuf(); // Tile buffer to fill.
       if(m_entry == 1)
       {
          const ossim_uint32 BANDS = getNumberOfOutputBands();
          std::vector<ossim_uint16> tempBuf(TILE_SIZE * BANDS);
          ossim_uint16* buffer = &tempBuf.front();
          for (ossim_uint32 band = 0; band < BANDS; ++band)
          {
             for (ossim_int32 i = 0; i < TILE_SIZE; ++i)
             {
                if(band == 0) buffer[i] = bucket[i].getRed();
                if(band == 1) buffer[i] = bucket[i].getGreen();
                if(band == 2) buffer[i] = bucket[i].getBlue();
             }
          }
          result->loadTile(buffer, TILE_RECT, TILE_RECT, OSSIM_BIP);
       }
       else if (m_entry == 2)
       {
          ossim_uint16* buf = result->getUshortBuf();
          for (ossim_int32 i = 0; i < TILE_SIZE; ++i)
          {
             buf[i] = bucket[i].getIntensity();
          }
       }
       else
       {
          ossim_float32* buf = result->getFloatBuf();
       
          // Fill the tile.  Currently no band loop:
          for (ossim_int32 i = 0; i < TILE_SIZE; ++i)
          {
             buf[i] = bucket[i].getValue();
          }
       }
 
       // Revalidate.
       result->validate();
    }
 
    return status;
    
 } // End: bool ossimLibLasReader::getTile(ossimImageData* result, ossim_uint32 resLevel)

◆ getTileHeight()

ossim_uint32 ossimLasReader::getTileHeight ( ) const

virtual

Returns: The height of the output tile.

Reimplemented from ossimImageSource.

Definition at line 399 of file ossimLasReader.cpp.

References ossim::defaultTileSize(), and ossimIpt::y.

Referenced by initTile().

 {
    ossimIpt ipt;
    ossim::defaultTileSize(ipt);
    return ipt.y; 
 }

◆ getTileWidth()

ossim_uint32 ossimLasReader::getTileWidth ( ) const

virtual

Returns: The width of the output tile.

Reimplemented from ossimImageSource.

Definition at line 392 of file ossimLasReader.cpp.

References ossim::defaultTileSize(), and ossimIpt::x.

Referenced by initTile().

 {
    ossimIpt ipt;
    ossim::defaultTileSize(ipt);
    return ipt.x;
 }

◆ init()

bool ossimLasReader::init ( )

private

Definition at line 664 of file ossimLasReader.cpp.

References ossimFilename::exists(), ossimRefPtr< T >::get(), ossimImageHandler::getFilenameWithThisExt(), getImageGeometry(), ossimImageGeometry::getProjection(), initFromExternalMetadata(), isOpen(), parseVarRecords(), true, and ossimRefPtr< T >::valid().

 {
    bool result = false;
 
    if ( isOpen() )
    {
       // Check for external geometry file for projection stuff.
       ossimFilename geomFile;
       getFilenameWithThisExt( ossimString(".geom" ), geomFile );
       if ( geomFile.exists() == true )
       {
          // Call get image geometry to initialize ourself.
          ossimRefPtr<ossimImageGeometry> geom = getImageGeometry();
          if ( geom.valid() == true )
          {
             // Check for map projection.
             ossimRefPtr<ossimProjection> proj = geom->getProjection();
             if ( proj.valid() == true )
             {
                if ( dynamic_cast<ossimMapProjection*>( proj.get() ) )
                {
                   result = true;
                }
             }
          }
       }
 
       if ( !result )
       {
          // Check for option var record.
          result = parseVarRecords();
          
          if ( !result )
          {
             // Checks for external FGDC text file.
             result = initFromExternalMetadata();
          }
       }
    }
    
    return result;
 }

◆ initFromExternalMetadata()

bool ossimLasReader::initFromExternalMetadata ( )

private

Looks for external FGDC text file to initialize projection from.

Definition at line 1166 of file ossimLasReader.cpp.

Referenced by init().

 {
    static const char M[] = "ossimLasReader::initFromExternalMetadata";
    if (traceDebug()) ossimNotify(ossimNotifyLevel_DEBUG) << M << " entered...\n";
    
    bool result = false;
 
    ossimFilename fgdcFile = theImageFile;
    fgdcFile.setExtension("txt");
    if ( fgdcFile.exists() == false )
    {
       fgdcFile.setExtension("TXT");
    }
 
    if ( fgdcFile.exists() )
    {
       ossimRefPtr<ossimFgdcTxtDoc> fgdcDoc = new ossimFgdcTxtDoc();
       if ( fgdcDoc->open( fgdcFile ) )
       {
          fgdcDoc->getProjection( m_proj );
          if ( m_proj.valid() )
          {
             // Units must be set before initValues and initProjection.
             std::string units;
             fgdcDoc->getAltitudeDistanceUnits(units);
             if ( ( units == "feet" ) || ( units == "international feet" ) )
             {
                m_units = OSSIM_FEET;
             }
             else if ( units == "survey feet" )
             {
                m_units = OSSIM_US_SURVEY_FEET;
             }
             else
             {
                m_units = OSSIM_METERS;
             }
             
             // Must be called before initProjection.
             initValues();
             
             result = initProjection();  // Sets the ties and scale...
             
             if (traceDebug())
             {
                m_proj->print(ossimNotify(ossimNotifyLevel_DEBUG));
             }
          }
       }
    }
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " exit status = " << (result?"true\n":"false\n");
    }   
    return result;
 }

◆ initProjection()

bool ossimLasReader::initProjection ( )

private

Definition at line 707 of file ossimLasReader.cpp.

References ossimRefPtr< T >::get(), ossimMapProjection::getDatum(), ossimMapProjection::getDecimalDegreesPerPixel(), ossimMapProjection::getMetersPerPixel(), ossimDpt::hasNans(), ossimMapProjection::isGeographic(), m_gsd, m_lr, m_proj, m_ul, ossimDpt::makeNan(), ossimNotify(), ossimNotifyLevel_WARN, ossimMapProjection::setDecimalDegreesPerPixel(), ossimMapProjection::setMetersPerPixel(), ossimMapProjection::setUlTiePoints(), ossimDpt::x, and ossimDpt::y.

 {
    bool result = true;
    
    ossimMapProjection* proj = dynamic_cast<ossimMapProjection*>( m_proj.get() );
    if ( proj )
    {
       //---
       // Set the tie and scale:
       // Note the scale can be set in other places so only set here if it
       // has nans.
       //---
       if ( proj->isGeographic() )
       {
          ossimGpt gpt(m_ul.y, m_ul.x, 0.0, proj->getDatum() );
          proj->setUlTiePoints( gpt );
 
          if ( m_gsd.hasNans() )
          {
             m_gsd = proj->getDecimalDegreesPerPixel();
             if ( m_gsd.hasNans() || !m_gsd.x || !m_gsd.y )
             {
                // Set to some default:
                m_gsd.x = 0.000008983; // About 1 meter at the Equator.
                m_gsd.y = m_gsd.x;
                proj->setDecimalDegreesPerPixel( m_gsd );
             }
             
          }
       }
       else
       {
          proj->setUlTiePoints(m_ul);
 
          if ( m_gsd.hasNans() )
          {
             m_gsd = proj->getMetersPerPixel();
             if ( m_gsd.hasNans() || !m_gsd.x || !m_gsd.y )
             {
                // Set to some default:
                m_gsd.x = 1.0;
                m_gsd.y = 1.0;
                proj->setMetersPerPixel( m_gsd );
             }
          }
       }
    }
    else
    {
       result = false;
       m_ul.makeNan();
       m_lr.makeNan();
       m_gsd.makeNan();
       
       ossimNotify(ossimNotifyLevel_WARN)
          << "ossimLasReader::initProjection WARN Could not cast to map projection!"
          << std::endl;
    }
 
    return result;
    
 } // bool ossimLasReader::initProjection()

◆ initTile()

void ossimLasReader::initTile ( )

private

Definition at line 770 of file ossimLasReader.cpp.

References getMaxPixelValue(), getMinPixelValue(), getNullPixelValue(), getNumberOfOutputBands(), getOutputScalarType(), getTileHeight(), getTileWidth(), ossimImageData::initialize(), m_entry, m_tile, ossimImageData::setMaxPix(), ossimImageData::setMinPix(), and ossimImageData::setNullPix().

Referenced by getTile(), and setCurrentEntry().

 {
    ossim_uint32 BANDS = getNumberOfOutputBands();
 
    m_tile = new ossimImageData(this,
                                getOutputScalarType(),
                                BANDS,
                                getTileWidth(),
                                getTileHeight());
 
    for(ossim_uint32 band = 0; band < BANDS; ++band)
    {
       if (m_entry == 0 || m_entry == 1)
       {
         m_tile->setMinPix(getMinPixelValue(band),   band);
         m_tile->setMaxPix(getMaxPixelValue(band),   band);
         m_tile->setNullPix(getNullPixelValue(band), band);
       }
    }
 
    m_tile->initialize();
 }

◆ initUnits()

void ossimLasReader::initUnits ( const ossimKeywordlist & geomKwl )

private

Definition at line 793 of file ossimLasReader.cpp.

References ossimKeywordlist::find(), ossimRefPtr< T >::get(), ossimMapProjection::isGeographic(), m_proj, m_unitConverter, m_units, OSSIM_DEGREES, OSSIM_FEET, OSSIM_METERS, OSSIM_US_SURVEY_FEET, ossimNotify(), and ossimNotifyLevel_DEBUG.

 {
    ossimMapProjection* proj = dynamic_cast<ossimMapProjection*>( m_proj.get() );
    if ( proj )
    {
       if ( proj->isGeographic() )
       {
          m_units = OSSIM_DEGREES;
       }
       else
       {
          const char* lookup = geomKwl.find("image0.linear_units");
          if ( lookup )
          {
             std::string units = lookup;
             if ( units == "meters" )
             {
                m_units = OSSIM_METERS;
             }  
             else if ( units == "feet" )
             {
                m_units = OSSIM_FEET;
             }
             else if ( units == "us_survey_feet" )
             {
                m_units = OSSIM_US_SURVEY_FEET;
             }
             else
             {
                ossimNotify(ossimNotifyLevel_DEBUG)
                   << "ossimLibLasReader::initUnits WARN:\n"
                   << "Unhandled linear units code: " << units << std::endl;
             }
          }
       }
    }
 
    // Don't make a unit converter for decimal degrees...
    if ( (m_units != OSSIM_DEGREES) && (m_units != OSSIM_METERS) && !m_unitConverter )
    {
       m_unitConverter = new ossimUnitConversionTool();
    }
 }

◆ initValues()

void ossimLasReader::initValues ( )

private

Definition at line 837 of file ossimLasReader.cpp.

Referenced by getImageGeometry().

 {
    static const char M[] = "ossimLasReader::initValues";
 
    if ( m_scan )
    {
       // Set to bogus values to start.
       m_ul.x = numeric_limits<ossim_float64>::max();
       m_ul.y = numeric_limits<ossim_float64>::min();
       m_lr.x = numeric_limits<ossim_float64>::min();
       m_lr.y = numeric_limits<ossim_float64>::max();
       m_maxZ = numeric_limits<ossim_float64>::min();
       m_minZ = numeric_limits<ossim_float64>::max();
       
       const ossim_float64 SCALE_X  = m_hdr->getScaleFactorX();
       const ossim_float64 SCALE_Y  = m_hdr->getScaleFactorY();
       const ossim_float64 SCALE_Z  = m_hdr->getScaleFactorZ();
       const ossim_float64 OFFSET_X = m_hdr->getOffsetX();
       const ossim_float64 OFFSET_Y = m_hdr->getOffsetY();
       const ossim_float64 OFFSET_Z = m_hdr->getOffsetZ();
       
       ossimLasPointRecordInterface* lasPtRec = getNewPointRecord();
       
       m_str.clear();
       m_str.seekg(m_hdr->getOffsetToPointData());
       
       ossim_float64 x;
       ossim_float64 y;
       ossim_float64 z;
       
       while ( m_str.good() )
       {
          lasPtRec->readStream( m_str );
          
 #if 0 /* Please leave for debug. (drb) */
          lasPtRec->print( ossimNotify(ossimNotifyLevel_DEBUG) );
 #endif
          
          x = lasPtRec->getX() * SCALE_X + OFFSET_X;
          y = lasPtRec->getY() * SCALE_Y + OFFSET_Y;
          z = lasPtRec->getZ() * SCALE_Z + OFFSET_Z;
 
     //std::cout << "X: " << lasPtRec->getX() << " SCALE: " << SCALE_X << " OFFSET: " << OFFSET_X << " XNORM: " << x << std::endl;
     //std::cout << "Y: " << lasPtRec->getY() << " SCALE: " << SCALE_Y << " OFFSET: " << OFFSET_Y << " YNORM: " << y << std::endl;
     //std::cout << "Z: " << lasPtRec->getZ() << " SCALE: " << SCALE_Z << " OFFSET: " << OFFSET_Z << " ZNORM: " << z << std::endl;
          
          if ( x < m_ul.x ) m_ul.x = x;
          if ( x > m_lr.x ) m_lr.x = x;
          if ( y > m_ul.y ) m_ul.y = y;
          if ( y < m_lr.y ) m_lr.y = y;
          if ( z > m_maxZ ) m_maxZ = z;
          if ( z < m_minZ ) m_minZ = z;
          
          if ( m_str.eof() ) break;
       }
       delete lasPtRec;
       lasPtRec = 0;
    }
    else
    {
       // Set the upper left (tie).
       m_ul.x = m_hdr->getMinX();
       m_ul.y = m_hdr->getMaxY();
       
       // Set the lower right.
       m_lr.x = m_hdr->getMaxX();
       m_lr.y = m_hdr->getMinY();
       
       // Set the min/max:
       m_minZ = m_hdr->getMinZ();
       m_maxZ = m_hdr->getMaxZ();
    }
 
    if ( m_unitConverter ) // Need to convert to meters.
    {
       convertToMeters(m_ul.x);
       convertToMeters(m_ul.y);
       
       convertToMeters(m_lr.x);
       convertToMeters(m_lr.y);
       
       convertToMeters(m_maxZ);
       convertToMeters(m_minZ);
    }
 
    if ( traceDebug() )
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " DEBUG:\nBounds from header:";
       ossimDpt pt;
       pt.x = m_hdr->getMinX();
       pt.y = m_hdr->getMaxY();
       if ( m_unitConverter )
       {
          convertToMeters(pt.x);
          convertToMeters(pt.y);
       }
       ossimNotify(ossimNotifyLevel_DEBUG) << "\nul:   " << pt;
       pt.x = m_hdr->getMaxX();
       pt.y = m_hdr->getMinY();
 
       if ( m_unitConverter )
       {
          convertToMeters(pt.x);
          convertToMeters(pt.y); 
       }
       ossimNotify(ossimNotifyLevel_DEBUG) << "\nlr:   " << pt;
       pt.x = m_hdr->getMinZ();
       pt.y = m_hdr->getMaxZ();
       if ( m_unitConverter )
       {
          convertToMeters(pt.x);
          convertToMeters(pt.y); 
       }
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "\nminZ: " << pt.x
          << "\nmaxZ: " << pt.y << "\n";
       if ( m_scan )
       {
          ossimNotify(ossimNotifyLevel_DEBUG)
             << "Bounds from scan:"
             << "\nul:   " << m_ul
             << "\nlr:   " << m_lr
             << "\nminZ: " << m_minZ
             << "\nmaxZ: " << m_maxZ << "\n";
       }
    }
 }

◆ isOpen()

bool ossimLasReader::isOpen ( ) const

inlinevirtual

is open method.

Satisfies ossimImageHandler::isOpen pure virtual.

Returns: true if open, false if not.

Implements ossimImageHandler.

Definition at line 317 of file ossimLasReader.h.

References m_hdr, and m_str.

Referenced by close(), getEntryList(), getNumberOfLines(), getNumberOfSamples(), init(), and setCurrentEntry().

 {
    return ( m_str.is_open() && m_hdr );
 }

◆ loadState()

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

virtual

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

Returns: true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 586 of file ossimLasReader.cpp.

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

 {
    bool result = false;
    if ( ossimImageHandler::loadState(kwl, prefix) )
    {
       result = open();
       if ( result )
       {
          // Get our keywords:
          const char* lookup = kwl.find(prefix, GSD_KW);
          if ( lookup )
          {
             m_gsd.toPoint( ossimString(lookup) );
          }
          lookup = kwl.find(prefix, SCAN_KW);
          if ( lookup )
          {
             ossimString s = lookup;
             m_scan = s.toBool();
          }
       }
    }
    return result;
 }

◆ open()

bool ossimLasReader::open ( )

virtual

open method.

Satisfies ossimImageHandler::open pure virtual.

Returns: Returns true on success, false on error.

Note: This method relies on the data member ossimImageData::theImageFile being set. Callers should do a "setFilename" prior to calling this method or use the ossimImageHandler::open that takes a file name and an entry index.

Implements ossimImageHandler.

Definition at line 83 of file ossimLasReader.cpp.

Referenced by loadState().

 {
    static const char M[] = "ossimLasReader::open";
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << M << " entered...\nfile: " << theImageFile << "\n";
    }
    
    bool result = false;
 
    close();
 
    m_str.open(theImageFile.c_str(), std::ios_base::in | std::ios_base::binary);
    if ( m_str.good() )
    {
       m_hdr = new ossimLasHdr();
       if ( m_hdr->checkSignature( m_str ) )
       {
          m_str.seekg(0, std::ios_base::beg);
          m_hdr->readStream(m_str);
          ossim_uint32 dataFormatId = m_hdr->getPointDataFormatId();
 
          if ( (dataFormatId == 0) || (dataFormatId == 1) || (dataFormatId == 2) ||
               (dataFormatId == 3) || (dataFormatId == 4) )
          {
             result = init();
             
             if ( result )
             {
                establishDecimationFactors();
                
                if ( traceDebug() )
                {
                   ossimNotify(ossimNotifyLevel_DEBUG) << *m_hdr << "\n";
                }
             }
          }
          else
          {
             if ( traceDebug() )
             {
                ossimNotify(ossimNotifyLevel_DEBUG)
                   << "Unhandled point type: " << int(m_hdr->getPointDataFormatId()) << "\n";
             }
          }
       
          if ( traceDebug() && result )
          {
             ossimNotify(ossimNotifyLevel_DEBUG) << *m_hdr << "\n";
          }
          
       } // if ( m_hdr->checkSignature( m_str ) )
       
    } // if ( m_str.good() )
 
    if ( !result ) close();
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " exit status = " << (result?"true\n":"false\n");
    }
    
    return result;
 }

◆ parseVarRecords()

bool ossimLasReader::parseVarRecords ( )

private

Definition at line 965 of file ossimLasReader.cpp.

Referenced by init().

 {
    static const char M[] = "ossimLasReader::parseVarRecords";
    if (traceDebug()) ossimNotify(ossimNotifyLevel_DEBUG) << M << " entered...\n";
    
    bool result = false;
 
    if ( isOpen() )
    {
       std::streampos origPos = m_str.tellg();
       std::streamoff pos = static_cast<std::streamoff>(m_hdr->getHeaderSize());
 
       m_str.clear();
       m_str.seekg(pos, std::ios_base::beg);
 
       ossim_uint32 vlrCount = m_hdr->getNumberOfVlrs();
       ossim_uint16 reserved;
       char uid[17];
       uid[16]='\n';
       ossim_uint16 recordId;
       ossim_uint16 length;
       char des[33];
       des[32] = '\n';
 
       //---
       // Things we need to save for printGeoKeys:
       //---
       ossim_uint16*  geoKeyBlock     = 0;
       ossim_uint64   geoKeyLength    = 0;
       ossim_float64* geoDoubleBlock  = 0;
       ossim_uint64   geoDoubleLength = 0;
       ossim_int8*    geoAsciiBlock   = 0;
       ossim_uint64   geoAsciiLength  = 0;
      
       ossimEndian* endian = 0;
       // LAS LITTLE ENDIAN:
       if ( ossim::byteOrder() == OSSIM_BIG_ENDIAN )
       {
          endian = new ossimEndian;
       }
       
       for ( ossim_uint32 i = 0; i < vlrCount; ++i )
       {
          m_str.read((char*)&reserved, 2);
          m_str.read(uid, 16);
          m_str.read((char*)&recordId, 2);
          m_str.read((char*)&length, 2);
          m_str.read(des, 32);
 
          // LAS LITTLE ENDIAN:
          if ( endian )
          {
             endian->swap(recordId);
             endian->swap(length);
          }
  
          if ( traceDebug() )
          {
             ossimNotify(ossimNotifyLevel_DEBUG)
                << "uid:      " << uid
                << "\nrecordId: " << recordId
                << "\nlength:   " << length
                << "\ndes:      " << des
                << std::endl;
          }
          
          if (recordId == 34735) // GeoTiff projection keys.
          {
             geoKeyLength = length/2;
             if ( geoKeyBlock )
             {
                delete [] geoKeyBlock;
             }
             geoKeyBlock = new ossim_uint16[geoKeyLength];
             m_str.read((char*)geoKeyBlock, length);
             if ( endian )
             {
                endian->swap(geoKeyBlock, geoKeyLength);
             }
          }
          else if (recordId == 34736) // GeoTiff double parameters.
          {
             geoDoubleLength = length/8;
             if ( geoDoubleBlock )
             {
                delete [] geoDoubleBlock;
             }
             geoDoubleBlock = new ossim_float64[geoDoubleLength];
             m_str.read((char*)geoDoubleBlock, length);
             if ( endian )
             {
                endian->swap(geoDoubleBlock, geoDoubleLength);
             }
          }
          else if (recordId == 34737) // GeoTiff ascii block.
          {
             geoAsciiLength = length;
             if (geoAsciiBlock)
             {
                delete [] geoAsciiBlock;
             }
             geoAsciiBlock = new ossim_int8[length];
             m_str.read((char*)geoAsciiBlock, length);
          }
          else
          {
             m_str.seekg(length, ios_base::cur);
          }
       }
 
       //---
       // Must have at mimimum the geoKeyBlock for a projection.
       // Note the geoDoubleBlock is needed for some.
       // Note the geoAsciiBlock is not needed, i.e. only informational.
       //---
       if ( geoKeyBlock )
       {       
          //---
          // Give the geokeys to ossimTiffInfo to get back a keyword list that can be fed to
          // ossimProjectionFactoryRegistry::createProjection
          //---
          ossimTiffInfo info;
          ossimKeywordlist geomKwl;
          info.getImageGeometry(geoKeyLength, geoKeyBlock,
                                geoDoubleLength,geoDoubleBlock,
                                geoAsciiLength,geoAsciiBlock,
                                geomKwl);
          
          // Create the projection.
          m_proj = ossimProjectionFactoryRegistry::instance()->createProjection(geomKwl);
          if (m_proj.valid())
          {
             // Units must be set before initValues and initProjection.
             initUnits(geomKwl);
             
             // Must be called before initProjection.
             initValues();
             
             result = initProjection();  // Sets the ties and scale...
             
             if (traceDebug())
             {
                m_proj->print(ossimNotify(ossimNotifyLevel_DEBUG));
             }
          }
       }
       else
       {
    /*  Current data samples appear to be UTM but not sure where to find the zone
       const char* prefix = "image0.";
            // Build a default projection
            ossimKeywordlist geomKwl;
            geomKwl.add(prefix, "datum", "WGE", true);
            geomKwl.add(prefix, "pixel_type", "pixel_is_area",  true);
            geomKwl.add(prefix, "type", "ossimEquDistCylProjection", true);
            m_proj = ossimProjectionFactoryRegistry::instance()->createProjection(geomKwl);
            if(m_proj.valid())
            {
              initUnits(geomKwl);
              initValues();
              result = initProjection(); // Sets the ties and scale...
              if (traceDebug())
              {
                m_proj->print(ossimNotify(ossimNotifyLevel_DEBUG));
              }
            }
    */
       }
 
       if ( geoKeyBlock )
       {
          delete [] geoKeyBlock;
          geoKeyBlock = 0;
       }
       if (geoDoubleBlock)
       {
          delete [] geoDoubleBlock;
          geoDoubleBlock = 0;
       }
       if (geoAsciiBlock)
       {
          delete [] geoAsciiBlock;
          geoAsciiBlock = 0;
       }
 
       m_str.seekg(origPos);
 
       if ( endian )
       {
          delete endian;
          endian = 0;
       }
    }  
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG) << M << " exit status = " << (result?"true\n":"false\n");
    }   
    return result;
 }

◆ saveState()

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

virtual

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

Returns: true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 579 of file ossimLasReader.cpp.

References ossimKeywordlist::add().

 {
    kwl.add( prefix, GSD_KW, m_gsd.toString().c_str(), true );
    kwl.add( prefix, SCAN_KW,  ossimString::toString(m_scan).c_str(), true );
    return ossimImageHandler::saveState(kwl, prefix);
 }

◆ setCurrentEntry()

bool ossimLasReader::setCurrentEntry ( ossim_uint32 entryIdx )

virtual

Parameters

entryIdx Entry number to select.

Returns: true if it was able to set the current entry and false otherwise.

Reimplemented from ossimImageHandler.

Definition at line 437 of file ossimLasReader.cpp.

References getEntryList(), initTile(), isOpen(), and m_entry.

 {
    bool result = false;
    if ( isOpen() )
    {
       std::vector<ossim_uint32> entryList;
       getEntryList( entryList );
       std::vector<ossim_uint32>::const_iterator i = entryList.begin();
       while ( i != entryList.end() )
       {
          if ( (*i) == entryIdx )
          {
             m_entry = entryIdx;
             result = true;
          }
          ++i;
       }
    }
    if(result) initTile();
    return result;
 }

◆ setGsd()

void ossimLasReader::setGsd ( const ossim_float64 & gsd )

private

Sets m_gsd data member and projection if projection is set.

Definition at line 1272 of file ossimLasReader.cpp.

References ossimRefPtr< T >::get(), ossimDpt::hasNans(), ossimMapProjection::isGeographic(), m_gsd, m_proj, ossimMapProjection::setDecimalDegreesPerPixel(), ossimMapProjection::setMetersPerPixel(), ossimRefPtr< T >::valid(), ossimDpt::x, and ossimDpt::y.

 {
    m_gsd.x = gsd;
    m_gsd.y = m_gsd.x;
 
    if ( m_proj.valid() && ( m_gsd.hasNans() == false ) )
    {
       ossimMapProjection* proj = dynamic_cast<ossimMapProjection*>( m_proj.get() );
       if ( proj && ( m_gsd.hasNans() == false ) )
       {
          if ( proj->isGeographic() )
          {
             proj->setDecimalDegreesPerPixel( m_gsd );
          }
          else
          {
             proj->setMetersPerPixel( m_gsd );
          }
       }
    }
 }

◆ setProperty()

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

virtual

Set propterty method.

Overrides ossimImageHandler::setProperty.

Current property name handled: "scale" One double value representing the scale in meters per pixel. It is assumed the scale is same for x and y direction.

Parameters

property to set.

Reimplemented from ossimImageHandler.

Definition at line 611 of file ossimLasReader.cpp.

References ossimProperty::getName(), and ossimRefPtr< T >::valid().

 {
    if ( property.valid() )
    {
       if ( property->getName() == GSD_KW )
       {
          ossimString s;
          property->valueToString(s);
          ossim_float64 d = s.toFloat64();
          if ( ossim::isnan(d) == false )
          {
             setGsd( d );
          }
       }
       else if ( property->getName() == SCAN_KW )
       {
          ossimString s;
          property->valueToString(s);
          m_scan = s.toBool();
       }
       else
       {
          ossimImageHandler::setProperty(property);
       }
    }
 }

Member Data Documentation

◆ m_entry

ossim_uint8 ossimLasReader::m_entry

private

Definition at line 309 of file ossimLasReader.h.

Referenced by close(), getCurrentEntry(), getNumberOfOutputBands(), getOutputScalarType(), getTile(), initTile(), and setCurrentEntry().

◆ m_gsd

ossimDpt ossimLasReader::m_gsd

private

Definition at line 307 of file ossimLasReader.h.

Referenced by getImageGeometry(), getNumberOfLines(), getNumberOfSamples(), getScale(), getTile(), initProjection(), ossimLasReader(), and setGsd().

◆ m_hdr

ossimLasHdr* ossimLasReader::m_hdr

private

Definition at line 301 of file ossimLasReader.h.

Referenced by close(), getNewPointRecord(), getTile(), initValues(), and isOpen().

◆ m_lr

ossimDpt ossimLasReader::m_lr

private

Definition at line 304 of file ossimLasReader.h.

Referenced by getNumberOfLines(), getNumberOfSamples(), initProjection(), and initValues().

◆ m_maxZ

ossim_float64 ossimLasReader::m_maxZ

private

Definition at line 305 of file ossimLasReader.h.

Referenced by getMaxPixelValue(), and initValues().

◆ m_minZ

ossim_float64 ossimLasReader::m_minZ

private

Definition at line 306 of file ossimLasReader.h.

Referenced by getMinPixelValue(), and initValues().

◆ m_mutex

std::mutex ossimLasReader::m_mutex

private

Definition at line 310 of file ossimLasReader.h.

◆ m_proj

ossimRefPtr<ossimProjection> ossimLasReader::m_proj

private

Definition at line 302 of file ossimLasReader.h.

Referenced by close(), getImageGeometry(), initProjection(), initUnits(), and setGsd().

◆ m_scan

bool ossimLasReader::m_scan

private

Definition at line 311 of file ossimLasReader.h.

Referenced by initValues().

◆ m_str

std::ifstream ossimLasReader::m_str

private

Definition at line 300 of file ossimLasReader.h.

Referenced by close(), getTile(), initValues(), and isOpen().

◆ m_tile

ossimRefPtr<ossimImageData> ossimLasReader::m_tile

private

Definition at line 308 of file ossimLasReader.h.

Referenced by close(), getTile(), and initTile().

◆ m_ul

ossimDpt ossimLasReader::m_ul

private

Definition at line 303 of file ossimLasReader.h.

Referenced by getImageGeometry(), getNumberOfLines(), getNumberOfSamples(), getTile(), initProjection(), and initValues().

◆ m_unitConverter

ossimUnitConversionTool* ossimLasReader::m_unitConverter

private

Definition at line 313 of file ossimLasReader.h.

Referenced by convertToMeters(), getTile(), initUnits(), and initValues().

◆ m_units

ossimUnitType ossimLasReader::m_units

private

Definition at line 312 of file ossimLasReader.h.

Referenced by convertToMeters(), getImageGeometry(), and initUnits().

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

Classes

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimLasReader()

◆ ~ossimLasReader()

Member Function Documentation

◆ close()

◆ completeOpen()

◆ convertToMeters()

◆ getCurrentEntry()

◆ getEntryList()

◆ getImageGeometry()

◆ getImageTileHeight()

◆ getImageTileWidth()

◆ getLongName()

◆ getMaxPixelValue()

◆ getMinPixelValue()

◆ getNewPointRecord()

◆ getNullPixelValue()

◆ getNumberOfDecimationLevels()

◆ getNumberOfInputBands()

◆ getNumberOfLines()

◆ getNumberOfOutputBands()

◆ getNumberOfSamples()

◆ getOutputScalarType()

◆ getProperty()

◆ getPropertyNames()

◆ getScale()

◆ getShortName()

◆ getTile() [1/2]

◆ getTile() [2/2]

◆ getTileHeight()

◆ getTileWidth()

◆ init()

◆ initFromExternalMetadata()

◆ initProjection()

◆ initTile()

◆ initUnits()

◆ initValues()

◆ isOpen()

◆ loadState()

◆ open()

◆ parseVarRecords()

◆ saveState()

◆ setCurrentEntry()

◆ setGsd()

◆ setProperty()

Member Data Documentation

◆ m_entry

◆ m_gsd

◆ m_hdr

◆ m_lr

◆ m_maxZ

◆ m_minZ

◆ m_mutex

◆ m_proj

◆ m_scan

◆ m_str

◆ m_tile

◆ m_ul

◆ m_unitConverter

◆ m_units