the DTED handler is an elevation source that allows for handling of a single cell of data. More...

#include <ossimDtedHandler.h>

Inheritance diagram for ossimDtedHandler:

Classes
class	DtedHeight
	DtedHeight is a class for storing DTED information. More...

class	DtedPost
	DtedPost, this class contains the height, weighting factor and status. More...

Public Types
enum	{ DATA_RECORD_OFFSET_TO_POST = 8, DATA_RECORD_CHECKSUM_SIZE = 4, POST_SIZE = 2, NULL_POST = -32767 }

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

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

Public Member Functions
	ossimDtedHandler ()
	Constructor. More...

	ossimDtedHandler (const ossimFilename &dted_file, bool memoryMapFlag=false)
	Constructor. More...

virtual bool	open (const ossimFilename &file, bool memoryMapFlag=false)
	opens a cell More...

virtual bool	open (std::shared_ptr< ossim::istream > &fileStr, const std::string &connectionString, bool memoryMapFlag=false)
	opens a cell given a stream More...

virtual void	close ()

virtual double	getHeightAboveMSL (const ossimGpt &gpt)

virtual ossimIpt	getSizeOfElevCell () const

virtual double	getPostValue (const ossimIpt &gridPt) const

ossimString	edition () const

ossimString	productLevel () const

ossimString	compilationDate () const

virtual bool	isOpen () const

virtual bool	getAccuracyInfo (ossimElevationAccuracyInfo &info, const ossimGpt &gpt) const

const ossimDtedVol &	vol () const

const ossimDtedHdr &	hdr () const

const ossimDtedUhl &	uhl () const

const ossimDtedDsi &	dsi () const

const ossimDtedAcc &	acc () const

virtual ossimObject *	dup () const

virtual	~ossimDtedHandler ()

Public Member Functions inherited from ossimElevCellHandler
	ossimElevCellHandler (const char *elev_filename)
	Constructors: More...

	ossimElevCellHandler (const ossimElevCellHandler &src)

virtual const ossimFilename &	getFilename () const

virtual double	getMeanSpacingMeters () const
	METHOD: meanSpacingMeters() Implements pure virtual for. More...

virtual bool	pointHasCoverage (const ossimGpt &) const
	METHOD: pointIsInsideRect() Method to check if the ground point elevation is defined: More...

bool	canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
	METHODS: accuracyLE90(), accuracyCE90() Returns the vertical and horizontal accuracy (90% confidence): More...

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

Public Member Functions inherited from ossimElevSource
virtual double	getHeightAboveEllipsoid (const ossimGpt &)

bool	intersectRay (const ossimEcefRay &ray, ossimGpt &gpt, double defaultElevValue=0.0)
	METHOD: intersectRay() More...

virtual double	getMinHeightAboveMSL () const
	Access methods for the bounding elevations: More...

virtual double	getMaxHeightAboveMSL () const

double	getNullHeightValue () const
	Special numeric quantities as defined by this source: More...

double	getSeaLevelValue () const

virtual const ossimGrect &	getBoundingGndRect () const
	METHODS: accuracyLE90(), accuracyCE90() Returns the vertical and horizontal accuracy (90% confidence) in the region of gpt: More...

virtual void	initialize ()
	Implement ossimSource base-class pure virtuals: More...

virtual bool	getComputeStatisticsFlag () const
	Opens a stream to an elevation cell. More...

virtual void	setComputeStatisticsFlag (bool flag)
	Sets the flag which controls whether or not statistics will be computed upon opening a cell and not finding a corresponding statistics file. More...

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

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

virtual	~ossimSource ()

virtual bool	isSourceEnabled () const

virtual void	enableSource ()

virtual void	disableSource ()

virtual bool	getEnableFlag () const

virtual void	setEnableFlag (bool flag)

virtual bool	isInitialized () const

virtual void	setInitializedFlag (bool flag)

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

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

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

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

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

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 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

Static Public Attributes
static const int	TOTAL_POSTS = 4

static const int	NUM_POSTS_PER_BLOCK = 2

Protected Member Functions
const ossimDtedHandler &	operator= (const ossimDtedHandler &rhs)

	ossimDtedHandler (const ossimDtedHandler &)

void	gatherStatistics ()

ossim_sint16	convertSignedMagnitude (ossim_uint16 &s) const

virtual double	getHeightAboveMSL (const ossimGpt &, bool readFromFile)

void	readPostsFromFile (DtedHeight &postData, int offset)
	read the height posts from the File More...

Protected Member Functions inherited from ossimElevCellHandler
	ossimElevCellHandler ()

virtual	~ossimElevCellHandler ()

Protected Member Functions inherited from ossimElevSource
virtual	~ossimElevSource ()

	ossimElevSource ()
	Constructors/Destructors: More...

	ossimElevSource (const ossimElevSource &src)

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::mutex	m_fileStrMutex

std::shared_ptr< ossim::istream >	m_fileStr

std::string	m_connectionString

ossim_int32	m_numLonLines

ossim_int32	m_numLatPoints

ossim_int32	m_dtedRecordSizeInBytes

ossimString	m_edition

ossimString	m_productLevel

ossimString	m_compilationDate

ossim_int32	m_offsetToFirstDataRecord

double	m_latSpacing

double	m_lonSpacing

ossimDpt	m_swCornerPost

bool	m_swapBytesFlag

std::mutex	m_memoryMapMutex

std::vector< ossim_uint8 >	m_memoryMap

std::shared_ptr< ossimDtedVol >	m_vol

std::shared_ptr< ossimDtedHdr >	m_hdr

std::shared_ptr< ossimDtedUhl >	m_uhl

std::shared_ptr< ossimDtedDsi >	m_dsi

std::shared_ptr< ossimDtedAcc >	m_acc

Protected Attributes inherited from ossimElevCellHandler
ossimFilename	theFilename
	Virtual method for reading. More...

double	theMeanSpacing

double	theAbsLE90

double	theAbsCE90

Protected Attributes inherited from ossimElevSource
double	theMinHeightAboveMSL
	Data members: More...

double	theMaxHeightAboveMSL

double	theNullHeightValue

double	theSeaLevelValue

ossimGrect	theGroundRect

bool	theComputeStatsFlag

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

the DTED handler is an elevation source that allows for handling of a single cell of data.

DTED is typically a 1x1 degree cell.

This can open from an ossim::istream or from a filename. It allows one to query the cell by overriding the getHeightAboveMSL.

For reference

See also: ossimGpt Example:
ossimRefPtr<ossimDtedHandler> h = new ossimDtedHandler();
if(h->open(someFile))
{
h->getHeightAboveMSL(ossimGpt(28, -110));
}

When a height is calculated it will use a weighted average of 4 neighboring posts.

Definition at line 57 of file ossimDtedHandler.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
DATA_RECORD_OFFSET_TO_POST
DATA_RECORD_CHECKSUM_SIZE
POST_SIZE
NULL_POST

Definition at line 84 of file ossimDtedHandler.h.

    {
       DATA_RECORD_OFFSET_TO_POST = 8,     // bytes
       DATA_RECORD_CHECKSUM_SIZE  = 4,     // bytes
       POST_SIZE                  = 2,     // bytes
       NULL_POST                  = -32767 // Fixed by DTED specification.
    };

Constructor & Destructor Documentation

◆ ossimDtedHandler() [1/3]

ossimDtedHandler::ossimDtedHandler ( )

inline

Constructor.

Definition at line 69 of file ossimDtedHandler.h.

70 {

71 }

◆ ossimDtedHandler() [2/3]

ossimDtedHandler::ossimDtedHandler	(	const ossimFilename &	dted_file,
		bool	memoryMapFlag = `false`
	)

Constructor.

Parameters

dted_file	is a file path to the dted cell we wish to open
memoryMapFlag	If this is set we will pull the entire cell into memory and treat that memory location as an inputstream.

Definition at line 36 of file ossimDtedHandler.cpp.

    :
       ossimElevCellHandler(dted_file),
       m_fileStr(),
       m_numLonLines(0),
       m_numLatPoints(0),
       m_dtedRecordSizeInBytes(0),
       m_edition(),
       m_productLevel(),
       m_compilationDate(),
       m_offsetToFirstDataRecord(0),
       m_latSpacing(0.0),
       m_lonSpacing(0.0),
       m_swCornerPost(),
       m_swapBytesFlag(false)
 {
 
    static const char MODULE[] = "ossimDtedHandler (Filename) Constructor";
    if (traceExec())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "DEBUG " << MODULE <<": entering..." << std::endl;
    }
    
    m_swapBytesFlag = ossim::byteOrder() == OSSIM_LITTLE_ENDIAN ? true : false;
    //---
    //  Open the dted file for reading.
    //---
    if (!open(dted_file, memoryMapFlag))
    {
       theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
       
       if (traceDebug())
       {
          ossimNotify(ossimNotifyLevel_FATAL)
             << "FATAL " << MODULE << ": "
             << "\nCould not open file:  " << dted_file.c_str()
             << "\nReturning..." << std::endl;
          ossimNotify(ossimNotifyLevel_DEBUG)
             << "DEBUG " << MODULE << ": returning with error..." << std::endl;
       }
       return;
    }
    else
    {
       if (traceDebug())
       {
          ossimNotify(ossimNotifyLevel_DEBUG)
             << "DEBUG " << MODULE <<": Loading dted file: " << dted_file
             << std::endl;
       }
    }
 
    // DTED is stored in big endian.
    if (traceExec())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "DEBUG " << MODULE << ": returning..." << std::endl;
    }
 }

◆ ~ossimDtedHandler()

ossimDtedHandler::~ossimDtedHandler ( )

virtual

Definition at line 97 of file ossimDtedHandler.cpp.

References close().

 {
    close();
 }

◆ ossimDtedHandler() [3/3]

ossimDtedHandler::ossimDtedHandler ( const ossimDtedHandler & )

protected

Definition at line 548 of file ossimDtedHandler.cpp.

    :
    ossimElevCellHandler()
 {}

Member Function Documentation

◆ acc()

const ossimDtedAcc& ossimDtedHandler::acc ( ) const

inline

Definition at line 162 of file ossimDtedHandler.h.

    {
       return *m_acc;
    }

◆ close()

void ossimDtedHandler::close ( )

inlinevirtual

Reimplemented from ossimElevCellHandler.

Definition at line 293 of file ossimDtedHandler.h.

References m_fileStr, and m_memoryMap.

Referenced by open(), and ~ossimDtedHandler().

 {
    m_fileStr.reset();
    m_memoryMap.clear();
 }

◆ compilationDate()

ossimString ossimDtedHandler::compilationDate ( ) const

Definition at line 537 of file ossimDtedHandler.cpp.

References m_compilationDate.

 {
    return m_compilationDate;
 }

◆ convertSignedMagnitude()

ossim_sint16 ossimDtedHandler::convertSignedMagnitude ( ossim_uint16 & s ) const

inlineprotected

Definition at line 267 of file ossimDtedHandler.h.

References m_swapBytesFlag.

Referenced by getHeightAboveMSL(), and readPostsFromFile().

 {
    // DATA_VALUE_MASK 0x7fff = 0111 1111 1111 1111
    // DATA_SIGN_MASK  0x8000 = 1000 0000 0000 0000
    
    // First check to see if the bytes need swapped.
    s = (m_swapBytesFlag ? ( ((s & 0x00ff) << 8) | ((s & 0xff00) >> 8) ) : s);
    
    // If the sign bit is set, mask it out then multiply by negative one.
    if (s & 0x8000)
    {
       return (static_cast<ossim_sint16>(s & 0x7fff) * -1);
    }
    
    return static_cast<ossim_sint16>(s);
 }

◆ dsi()

const ossimDtedDsi& ossimDtedHandler::dsi ( ) const

inline

Definition at line 158 of file ossimDtedHandler.h.

    {
       return *m_dsi;
    }

◆ dup()

virtual ossimObject* ossimDtedHandler::dup ( ) const

inlinevirtual

Implements ossimElevSource.

Definition at line 167 of file ossimDtedHandler.h.

References ossimElevCellHandler::getFilename().

    {
       return new ossimDtedHandler(this->getFilename(), (m_memoryMap.size() != 0));
    }

◆ edition()

ossimString ossimDtedHandler::edition ( ) const

Definition at line 527 of file ossimDtedHandler.cpp.

References m_edition.

 {
    return m_edition;
 }

◆ gatherStatistics()

void ossimDtedHandler::gatherStatistics ( )

protected

If statistics file exist, stats will be initialized from that; else, this scans the dted cell and gets stats, then, writes new stats file. The statistics file will be named accordingly: If dted cell = n27.dt1 then the stats file = n27.statistics. Currently method only grabs the min and max posts value.

Definition at line 424 of file ossimDtedHandler.cpp.

References ossimFilename::setExtension(), and ossimElevCellHandler::theFilename.

 {
    //***
    // Check to see if there is a statistics file already.  If so; do a lookup
    // for the min and max values.
    //***
    ossimFilename stats_file = theFilename;//theFilename.path();
    stats_file.setExtension("statistics");
    
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "DEBUG ossimDtedHandler::gatherStatistics(): Looking for "
          << stats_file << " statistics file..." << std::endl;
    }
 
    ossimKeywordlist kwl;
    const char* min_str = NULL;
    const char* max_str = NULL;
 
    if (stats_file.exists())
    {
       if (kwl.addFile(stats_file))
       {
          // Look for the min_pixel_value keyword.
          min_str = kwl.find(ossimKeywordNames::MIN_VALUE_KW);
          max_str = kwl.find(ossimKeywordNames::MAX_VALUE_KW);
       }
    }
 
    if (min_str && max_str)
    {
       theMinHeightAboveMSL = atoi(min_str);
       theMaxHeightAboveMSL = atoi(max_str);
    }
    else if (theComputeStatsFlag&&!m_memoryMap.size())  // Scan the cell and gather the statistics...
    {
       if(traceDebug())
       {
          ossimNotify(ossimNotifyLevel_NOTICE)
             << "NOTICE ossimDtedHandler::gatherStatistics():"
             << " scanning for min/max"
             << "\nThis may take a while..." << std::endl;
       }
       // Start off with the min and max pegged.
       theMinHeightAboveMSL =  32767;
       theMaxHeightAboveMSL = -32767;
       
       // Put the file pointer at the start of the first elevation post.
       m_fileStr->seekg(m_offsetToFirstDataRecord, std::ios::beg);
       
       //---
       // Loop through all records and scan for lowest min and highest max.
       // Each record contains a row of latitude points for a given longitude.
       // There are eight bytes in front of the post and four checksum bytes at
       // the end so ignore them.
       //---
       for (ossim_int32 i=0; i<m_numLonLines; ++i)  // longitude direction
       {
          m_fileStr->seekg(DATA_RECORD_OFFSET_TO_POST, std::ios::cur);
          
          for (ossim_int32 j=0; j<m_numLatPoints; ++j) // latitude direction
          {
             ossim_uint16 us;
             ossim_sint16 ss;
             m_fileStr->read((char*)&us, POST_SIZE);
             ss = convertSignedMagnitude(us);
             if (ss < theMinHeightAboveMSL && ss != NULL_POST)
             {
                theMinHeightAboveMSL = ss;
             }
             if (ss > theMaxHeightAboveMSL)
             {
                theMaxHeightAboveMSL = ss;
             }
          }
          
          m_fileStr->seekg(DATA_RECORD_CHECKSUM_SIZE, std::ios::cur);
       }
       
       // Add the stats to the keyword list.
       kwl.add(ossimKeywordNames::MIN_VALUE_KW, theMinHeightAboveMSL);
       kwl.add(ossimKeywordNames::MAX_VALUE_KW, theMaxHeightAboveMSL);
       
       // Write out the statistics file.
       kwl.write(stats_file.c_str());
    }
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "DEBUG ossimDtedHandler::gatherStatistics:"
          << "\ntheMinHeightAboveMSL:  " << theMinHeightAboveMSL
          << "\ntheMaxHeightAboveMSL:  " << theMaxHeightAboveMSL
          << std::endl;
    }
 }

◆ getAccuracyInfo()

bool ossimDtedHandler::getAccuracyInfo	(	ossimElevationAccuracyInfo &	info,
		const ossimGpt &	gpt
	)		const

virtual

Reimplemented from ossimElevCellHandler.

Definition at line 102 of file ossimDtedHandler.cpp.

References ossimElevationAccuracyInfo::hasValidAbsoluteError(), ossimElevationAccuracyInfo::m_absoluteCE, ossimElevationAccuracyInfo::m_absoluteLE, m_acc, ossimElevationAccuracyInfo::m_confidenceLevel, m_dsi, ossimElevationAccuracyInfo::m_relativeCE, ossimElevationAccuracyInfo::m_relativeLE, and ossimElevationAccuracyInfo::m_surfaceName.

 {
   info.m_confidenceLevel = .9;
   info.m_absoluteLE = m_acc->absLE();
   info.m_absoluteCE = m_acc->absCE();
   info.m_relativeLE = m_acc->relLE();
   info.m_relativeCE = m_acc->relCE();
 
   info.m_surfaceName = m_dsi->productLevel();
 
   return info.hasValidAbsoluteError();
 }

◆ getHeightAboveMSL() [1/2]

double ossimDtedHandler::getHeightAboveMSL ( const ossimGpt & gpt )

virtual

Parameters

gpt	is a ground point <lat, lon> that is used to lookup the elevation pos value.

Returns: height above Mean Sea Level (MSL).

Implements ossimElevSource.

Definition at line 116 of file ossimDtedHandler.cpp.

References m_fileStr, m_memoryMap, and ossim::nan().

 {
    if(m_memoryMap.size())
    {
       return getHeightAboveMSL(gpt, false);
    }
    else if((m_fileStr)&&(m_fileStr->good()))
    {
       return getHeightAboveMSL(gpt, true);
    }
    
    return ossim::nan();
 }

◆ getHeightAboveMSL() [2/2]

double ossimDtedHandler::getHeightAboveMSL	(	const ossimGpt &	gpt,
		bool	readFromFile
	)

protectedvirtual

read the posts from the DTED file.

Definition at line 266 of file ossimDtedHandler.cpp.

References ossimDtedHandler::DtedHeight::calcHeight(), convertSignedMagnitude(), DATA_RECORD_OFFSET_TO_POST, ossimDtedHandler::DtedHeight::debug(), ossimDpt::lat, ossimGpt::lat, ossimDpt::lon, ossimGpt::lon, m_dtedRecordSizeInBytes, ossimDtedHandler::DtedPost::m_height, m_latSpacing, m_lonSpacing, m_memoryMap, m_numLatPoints, m_numLonLines, m_offsetToFirstDataRecord, ossimDtedHandler::DtedHeight::m_posts, ossimDtedHandler::DtedPost::m_status, m_swCornerPost, ossimDtedHandler::DtedPost::m_weight, ossim::nan(), POST_SIZE, and readPostsFromFile().

 {
    // Establish the grid indexes:
    double xi = (gpt.lon - m_swCornerPost.lon) / m_lonSpacing;
    double yi = (gpt.lat - m_swCornerPost.lat) / m_latSpacing;
 
    // Check for right edge.
    int x0 = static_cast<int>(xi);
    int y0 = static_cast<int>(yi);
 
    if(x0 == (m_numLonLines-1))
    {
       --x0; // Move over one post.
    }
    
    // Check for top edge.
    //    if (gpt.lat == theGroundRect.ul().lat)
    if(y0 == (m_numLatPoints-1))
    {
       --y0; // Move down one post.
    }
 
    // Do some error checking.
    if ( xi < 0.0 || yi < 0.0 ||
         x0 > (m_numLonLines  - 2.0) ||
         y0 > (m_numLatPoints - 2.0) )
    {
       return ossim::nan();
    }
 
    //***
    // Grab the four points from the dted cell needed.  These are big endian,
    // signed magnitude shorts so they must be interpreted accordingly.
    //***
    int offset = m_offsetToFirstDataRecord + x0 * m_dtedRecordSizeInBytes +
                 y0 * 2 + DATA_RECORD_OFFSET_TO_POST;
 
    DtedHeight postData;
    //
    if ( readFromFile )
    {
      readPostsFromFile( postData, offset );
    }
    else
    {
      ossim_uint8* buf = &m_memoryMap.front();
      {
        ossim_uint16 us;
 
        memcpy(&us, buf+offset, POST_SIZE);
        postData.m_posts[0].m_height = convertSignedMagnitude(us);
        postData.m_posts[0].m_status = true;
        memcpy(&us, buf+offset+POST_SIZE, POST_SIZE);
        postData.m_posts[1].m_height = convertSignedMagnitude(us);
        postData.m_posts[1].m_status = true;
 
        // Move over to the next column.
        offset += m_dtedRecordSizeInBytes;
        memcpy(&us, buf+offset, POST_SIZE);
        postData.m_posts[2].m_height = convertSignedMagnitude(us);
        postData.m_posts[2].m_status = true;
        memcpy(&us, buf+offset+POST_SIZE, POST_SIZE);
        postData.m_posts[3].m_height = convertSignedMagnitude(us);
        postData.m_posts[3].m_status = true;
      }
    }
    // Perform bilinear interpolation:
    double wx1 = xi  - x0;
    double wy1 = yi  - y0;
    double wx0 = 1.0 - wx1;
    double wy0 = 1.0 - wy1;
    
    postData.m_posts[0].m_weight = wx0*wy0;
    postData.m_posts[1].m_weight = wx0*wy1;
    postData.m_posts[2].m_weight = wx1*wy0;
    postData.m_posts[3].m_weight = wx1*wy1;
 
 #if 0 /* Serious debug only... */
    postData.debug();
 #endif
 
    return postData.calcHeight();
 }

◆ getPostValue()

double ossimDtedHandler::getPostValue ( const ossimIpt & gridPt ) const

virtual

METHOD: getPostValue Returns the value at a given grid point as a double. Satisfies pure virtual.

Implements ossimElevCellHandler.

Definition at line 387 of file ossimDtedHandler.cpp.

References m_numLatPoints, m_numLonLines, ossimIpt::x, and ossimIpt::y.

 {
    static const char MODULE[] = "ossimDtedHandler::getPostValue";
    
    // Do some error checking.
    if ( gridPt.x < 0.0 || gridPt.y < 0.0 ||
         gridPt.x > (m_numLonLines  - 1) ||
         gridPt.y > (m_numLatPoints - 1) )
    {
       if(traceDebug())
       {
          ossimNotify(ossimNotifyLevel_WARN)
             << "WARNING " << MODULE << ": No intersection..." << std::endl;
       }
       return ossim::nan();
    }
 
    if (!isOpen())
    {
       return ossim::nan();
    }
 
    int offset =
       m_offsetToFirstDataRecord + gridPt.x * m_dtedRecordSizeInBytes +
       gridPt.y * 2 + DATA_RECORD_OFFSET_TO_POST;
    
    // Put the file pointer at the start of the first elevation post.
    m_fileStr->seekg(offset, std::ios::beg);
 
    ossim_uint16 us;
 
    // Get the post.
    m_fileStr->read((char*)&us, POST_SIZE);
    
    return double(convertSignedMagnitude(us));
 }

◆ getSizeOfElevCell()

ossimIpt ossimDtedHandler::getSizeOfElevCell ( ) const

virtual

METHOD: getSizeOfElevCell Returns the number of post in the cell. Satisfies pure virtual. Note: x = longitude, y = latitude

Implements ossimElevCellHandler.

Definition at line 522 of file ossimDtedHandler.cpp.

References m_numLatPoints, and m_numLonLines.

 {
    return ossimIpt(m_numLonLines, m_numLatPoints);
 }

◆ hdr()

const ossimDtedHdr& ossimDtedHandler::hdr ( ) const

inline

Definition at line 150 of file ossimDtedHandler.h.

    {
       return *m_hdr;
    }

◆ isOpen()

bool ossimDtedHandler::isOpen ( ) const

inlinevirtual

Definition at line 284 of file ossimDtedHandler.h.

References m_fileStr, m_fileStrMutex, and m_memoryMap.

 {
 
   if(!m_memoryMap.empty()) return true;
   std::lock_guard<std::mutex> lock(m_fileStrMutex);
 
   return (m_fileStr != 0);
 }

◆ open() [1/2]

bool ossimDtedHandler::open	(	const ossimFilename &	file,
		bool	memoryMapFlag = `false`
	)

virtual

opens a cell

Parameters

file	is a file path to the dted cell we wish to open
memoryMapFlag	If this is set we will pull the entire cell into memory and treat that memory location as an inputstream.

Reimplemented from ossimElevCellHandler.

Definition at line 130 of file ossimDtedHandler.cpp.

References ossimString::c_str(), and ossim::StreamFactoryRegistry::instance().

Referenced by ossimDtedElevationDatabase::inititializeExtension().

 {
   std::string connectionString = file.c_str();
   std::shared_ptr<ossim::istream> str = ossim::StreamFactoryRegistry::instance()->
     createIstream( file.c_str(), std::ios_base::in|std::ios_base::binary);
   if(!str) return false;
   return open(str, connectionString, memoryMapFlag);
 }

◆ open() [2/2]

bool ossimDtedHandler::open	(	std::shared_ptr< ossim::istream > &	fileStr,
		const std::string &	connectionString,
		bool	memoryMapFlag = `false`
	)

virtual

opens a cell given a stream

Parameters

fileStr	is a stream that was opened and has access to a cell.
connectionString	is the connection string used to open the input stream.
memoryMapFlag	If this is set we will pull the entire cell into memory and treat that memory location as an inputstream.

Definition at line 139 of file ossimDtedHandler.cpp.

References close(), m_acc, m_connectionString, m_dsi, m_dtedRecordSizeInBytes, m_fileStr, m_hdr, m_numLatPoints, m_numLonLines, m_uhl, m_vol, and ossimErrorCodes::OSSIM_ERROR.

 {
    static const char* MODULE = "ossimDtedHandler::open";
   close();
   if(!fileStr) return false;
 
   m_vol = std::make_shared<ossimDtedVol>();
   m_hdr = std::make_shared<ossimDtedHdr>();
   m_uhl = std::make_shared<ossimDtedUhl>();
   m_dsi = std::make_shared<ossimDtedDsi>();
   m_acc = std::make_shared<ossimDtedAcc>();
 
   m_connectionString = connectionString;
 
   m_fileStr = fileStr;
   m_fileStr->clear();
 
   m_numLonLines = 0;
   m_numLatPoints = 0;
   m_dtedRecordSizeInBytes = 0;
 
   // Attempt to parse.
   m_vol->parse(*m_fileStr);
   m_hdr->parse(*m_fileStr);
   m_uhl->parse(*m_fileStr);
   m_dsi->parse(*m_fileStr);
   m_acc->parse(*m_fileStr);
 
   //***
   // Check for errors.  Must have uhl, dsi and acc records.  vol and hdr
   // are for magnetic tape only; hence, may or may not be there.
   //***
   if (m_uhl->getErrorStatus() == ossimErrorCodes::OSSIM_ERROR ||
      m_dsi->getErrorStatus() == ossimErrorCodes::OSSIM_ERROR ||
      m_acc->getErrorStatus() == ossimErrorCodes::OSSIM_ERROR)
   {
     if (traceDebug())
     {
        ossimNotify(ossimNotifyLevel_DEBUG)
        << "DEBUG " << MODULE << ": "
        << "\nError parsing file:  " << m_connectionString
        << "\nPossibly not a dted file."
        << std::endl;
     }
     
     theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
     close();
     return false;
   }
   if(memoryMapFlag)
   {
     ossim_int64 streamSize;
     m_fileStr->clear();
     m_fileStr->seekg(0, std::ios::end);
     streamSize = m_fileStr->tellg();
     m_fileStr->seekg(0, std::ios::beg);
 
     m_memoryMap.resize(streamSize);//theFilename.fileSize());
     m_fileStr->read((char*)(&m_memoryMap.front()), (std::streamsize)m_memoryMap.size());
     m_fileStr.reset();
   }
 
   m_numLonLines  = m_uhl->numLonLines();
   m_numLatPoints = m_uhl->numLatPoints();
   m_latSpacing   = m_uhl->latInterval();
   m_lonSpacing   = m_uhl->lonInterval();
   m_dtedRecordSizeInBytes = m_numLatPoints*2+ossimDtedRecord::DATA_LENGTH;
 
   m_edition  = m_dsi->edition();
   m_productLevel = m_dsi->productLevel();
   m_compilationDate = m_dsi->compilationDate();
 
   m_offsetToFirstDataRecord = m_acc->stopOffset();
 
   #if 0 /* Serious debug only... */
   std::cout << m_numLonLines
            << "\t" << m_numLatPoints
            << "\t" << m_lonSpacing
            << "\t" << m_latSpacing
            << "\t" << m_dtedRecordSizeInBytes
            << "\t" << theFilename.fileSize()
            << "\t" << file
            << "\t" << m_offsetToFirstDataRecord
            << std::endl;
   #endif
 
   //***
   //  initialize the bounding rectangle:
   //***
   double south_boundary = m_uhl->latOrigin();
   double west_boundary  = m_uhl->lonOrigin();
   double north_boundary = south_boundary + m_latSpacing*(m_numLatPoints-1);
   double east_boundary  = west_boundary  + m_lonSpacing*(m_numLonLines-1);
 
   // For ossimElevCellHandler::pointHasCoverage method.
   theGroundRect = ossimGrect(ossimGpt(north_boundary, west_boundary, 0.0),
                             ossimGpt(south_boundary, east_boundary, 0.0));
 
   m_swCornerPost.lat = south_boundary;
   m_swCornerPost.lon = west_boundary;
 
   //***
   //  Determine the mean spacing:
   //***
   double center_lat = (south_boundary + north_boundary)/2.0;
   theMeanSpacing = (m_latSpacing + m_lonSpacing*ossim::cosd(center_lat))
                    * ossimGpt().metersPerDegree().x / 2.0;
 
   //  Initialize the accuracy values:
   theAbsLE90 = m_acc->absLE();
   theAbsCE90 = m_acc->absCE();
 
   // Set the base class null height value.
   theNullHeightValue = -32767.0;
 
   //---
   // Commented out as this writes an un-needed file.  (drb 20100611)
   // Get the statistics.
   // gatherStatistics();
   //---
 
   return true;
 
 }

◆ operator=()

const ossimDtedHandler & ossimDtedHandler::operator= ( const ossimDtedHandler & rhs )

protected

Definition at line 542 of file ossimDtedHandler.cpp.

 {
    return rhs;
 }

◆ productLevel()

ossimString ossimDtedHandler::productLevel ( ) const

Definition at line 532 of file ossimDtedHandler.cpp.

References m_productLevel.

 {
    return m_productLevel;
 }

◆ readPostsFromFile()

void ossimDtedHandler::readPostsFromFile	(	DtedHeight &	postData,
		int	offset
	)

protected

read the height posts from the File

Parameters

postData	- post heights, status & weight
offset	- file contents offset to start reading from

Definition at line 351 of file ossimDtedHandler.cpp.

References convertSignedMagnitude(), m_dtedRecordSizeInBytes, m_fileStr, m_fileStrMutex, ossimDtedHandler::DtedPost::m_height, ossimDtedHandler::DtedHeight::m_posts, ossimDtedHandler::DtedPost::m_status, NUM_POSTS_PER_BLOCK, and POST_SIZE.

Referenced by getHeightAboveMSL().

 {
 
   std::lock_guard<std::mutex> lock( m_fileStrMutex );
   ossim_sint16 ss;
   ossim_uint16 us;
   int postCount = 0;
   // read the posts in blocks 2x2.
   for ( int column = 0; column < NUM_POSTS_PER_BLOCK ; ++column )
   {
     m_fileStr->seekg( offset, std::ios::beg );
     for ( int row = 0; row < NUM_POSTS_PER_BLOCK ; ++row )
     {
       if ( !m_fileStr->eof() )
       {
         us = 0;
         m_fileStr->read( ( char* ) &us, POST_SIZE );
         // check the read was ok
         if ( m_fileStr->good() )
         {
           postData.m_posts[postCount].m_status = true;
         }
         else
         {
           // reset the goodbit
           m_fileStr->clear();
         }
         ss = convertSignedMagnitude( us );
         postData.m_posts[postCount].m_height = ss;
       }
       postCount++;
     }
     offset += m_dtedRecordSizeInBytes;
   }
 }

◆ uhl()

const ossimDtedUhl& ossimDtedHandler::uhl ( ) const

inline

Definition at line 154 of file ossimDtedHandler.h.

    {
       return *m_uhl;
    }

◆ vol()

const ossimDtedVol& ossimDtedHandler::vol ( ) const

inline

Definition at line 146 of file ossimDtedHandler.h.

    {
       return *m_vol;
    }

Member Data Documentation

◆ m_acc

std::shared_ptr<ossimDtedAcc> ossimDtedHandler::m_acc

protected

Definition at line 262 of file ossimDtedHandler.h.

Referenced by getAccuracyInfo(), and open().

◆ m_compilationDate

ossimString ossimDtedHandler::m_compilationDate

protected

Definition at line 246 of file ossimDtedHandler.h.

Referenced by compilationDate().

◆ m_connectionString

std::string ossimDtedHandler::m_connectionString

mutableprotected

Definition at line 239 of file ossimDtedHandler.h.

Referenced by open().

◆ m_dsi

std::shared_ptr<ossimDtedDsi> ossimDtedHandler::m_dsi

protected

Definition at line 261 of file ossimDtedHandler.h.

Referenced by getAccuracyInfo(), and open().

◆ m_dtedRecordSizeInBytes

ossim_int32 ossimDtedHandler::m_dtedRecordSizeInBytes

protected

Definition at line 243 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL(), open(), and readPostsFromFile().

◆ m_edition

ossimString ossimDtedHandler::m_edition

protected

Definition at line 244 of file ossimDtedHandler.h.

Referenced by edition().

◆ m_fileStr

std::shared_ptr<ossim::istream> ossimDtedHandler::m_fileStr

mutableprotected

Definition at line 238 of file ossimDtedHandler.h.

Referenced by close(), getHeightAboveMSL(), isOpen(), open(), and readPostsFromFile().

◆ m_fileStrMutex

std::mutex ossimDtedHandler::m_fileStrMutex

mutableprotected

Definition at line 236 of file ossimDtedHandler.h.

Referenced by isOpen(), and readPostsFromFile().

◆ m_hdr

std::shared_ptr<ossimDtedHdr> ossimDtedHandler::m_hdr

protected

Definition at line 259 of file ossimDtedHandler.h.

Referenced by open().

◆ m_latSpacing

double ossimDtedHandler::m_latSpacing

protected

Definition at line 248 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL().

◆ m_lonSpacing

double ossimDtedHandler::m_lonSpacing

protected

Definition at line 249 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL().

◆ m_memoryMap

std::vector<ossim_uint8> ossimDtedHandler::m_memoryMap

mutableprotected

Definition at line 256 of file ossimDtedHandler.h.

Referenced by close(), getHeightAboveMSL(), and isOpen().

◆ m_memoryMapMutex

std::mutex ossimDtedHandler::m_memoryMapMutex

mutableprotected

Definition at line 255 of file ossimDtedHandler.h.

◆ m_numLatPoints

ossim_int32 ossimDtedHandler::m_numLatPoints

protected

Definition at line 242 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL(), getPostValue(), getSizeOfElevCell(), and open().

◆ m_numLonLines

ossim_int32 ossimDtedHandler::m_numLonLines

protected

Definition at line 241 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL(), getPostValue(), getSizeOfElevCell(), and open().

◆ m_offsetToFirstDataRecord

ossim_int32 ossimDtedHandler::m_offsetToFirstDataRecord

protected

Definition at line 247 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL().

◆ m_productLevel

ossimString ossimDtedHandler::m_productLevel

protected

Definition at line 245 of file ossimDtedHandler.h.

Referenced by productLevel().

◆ m_swapBytesFlag

bool ossimDtedHandler::m_swapBytesFlag

protected

Definition at line 253 of file ossimDtedHandler.h.

Referenced by convertSignedMagnitude().

◆ m_swCornerPost

ossimDpt ossimDtedHandler::m_swCornerPost

protected

Definition at line 250 of file ossimDtedHandler.h.

Referenced by getHeightAboveMSL().

◆ m_uhl

std::shared_ptr<ossimDtedUhl> ossimDtedHandler::m_uhl

protected

Definition at line 260 of file ossimDtedHandler.h.

Referenced by open().

◆ m_vol

std::shared_ptr<ossimDtedVol> ossimDtedHandler::m_vol

protected

Definition at line 258 of file ossimDtedHandler.h.

Referenced by open().

◆ NUM_POSTS_PER_BLOCK

const int ossimDtedHandler::NUM_POSTS_PER_BLOCK = 2

static

Definition at line 64 of file ossimDtedHandler.h.

Referenced by readPostsFromFile().

◆ TOTAL_POSTS

const int ossimDtedHandler::TOTAL_POSTS = 4

static

Definition at line 62 of file ossimDtedHandler.h.

Referenced by ossimDtedHandler::DtedHeight::calcHeight().

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

Classes

Public Types

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ ossimDtedHandler() [1/3]

◆ ossimDtedHandler() [2/3]

◆ ~ossimDtedHandler()

◆ ossimDtedHandler() [3/3]

Member Function Documentation

◆ acc()

◆ close()

◆ compilationDate()

◆ convertSignedMagnitude()

◆ dsi()

◆ dup()

◆ edition()

◆ gatherStatistics()

◆ getAccuracyInfo()

◆ getHeightAboveMSL() [1/2]

◆ getHeightAboveMSL() [2/2]

◆ getPostValue()

◆ getSizeOfElevCell()

◆ hdr()

◆ isOpen()

◆ open() [1/2]

◆ open() [2/2]

◆ operator=()

◆ productLevel()

◆ readPostsFromFile()

◆ uhl()

◆ vol()

Member Data Documentation

◆ m_acc

◆ m_compilationDate

◆ m_connectionString

◆ m_dsi

◆ m_dtedRecordSizeInBytes

◆ m_edition

◆ m_fileStr

◆ m_fileStrMutex

◆ m_hdr

◆ m_latSpacing

◆ m_lonSpacing

◆ m_memoryMap

◆ m_memoryMapMutex

◆ m_numLatPoints

◆ m_numLonLines

◆ m_offsetToFirstDataRecord

◆ m_productLevel

◆ m_swapBytesFlag

◆ m_swCornerPost

◆ m_uhl

◆ m_vol

◆ NUM_POSTS_PER_BLOCK

◆ TOTAL_POSTS