#include <ossimNewZealandMapGridProjection.h>

Inheritance diagram for ossimNewZealandMapGridProjection:

Public Member Functions
	ossimNewZealandMapGridProjection ()

	~ossimNewZealandMapGridProjection ()

virtual ossimObject *	dup () const

virtual void	update ()

virtual ossimGpt	inverse (const ossimDpt &eastingNorthing) const
	Will take a point in meters and convert it to ground. More...

virtual ossimDpt	forward (const ossimGpt &latLon) const
	All map projections will convert the world coordinate to an easting northing (Meters). More...

void	setFalseEasting (double falseEasting)

void	setFalseNorthing (double falseNorthing)

void	setFalseEastingNorthing (double falseEasting, double falseNorthing)

void	setDefaults ()

double	getFalseEasting () const

double	getFalseNorthing () 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 ossimMapProjection
	ossimMapProjection (const ossimEllipsoid &ellipsoid=ossimEllipsoid(), const ossimGpt &origin=ossimGpt())

	ossimMapProjection (const ossimMapProjection &src)

virtual ossimGpt	origin () const

virtual ossimDpt	worldToLineSample (const ossimGpt &worldPoint) const

virtual void	worldToLineSample (const ossimGpt &worldPoint, ossimDpt &lineSample) const

virtual ossimGpt	lineSampleToWorld (const ossimDpt &projectedPoint) const

virtual void	lineSampleToWorld (const ossimDpt &projectedPoint, ossimGpt &gpt) const

virtual void	lineSampleHeightToWorld (const ossimDpt &lineSampPt, const double &heightAboveEllipsoid, ossimGpt &worldPt) const
	This is the pure virtual that projects the image point to the given elevation above ellipsoid, thereby bypassing reference to a DEM. More...

virtual void	lineSampleToEastingNorthing (const ossimDpt &liineSample, ossimDpt &eastingNorthing) const

virtual void	eastingNorthingToLineSample (const ossimDpt &eastingNorthing, ossimDpt &lineSample) const

virtual void	eastingNorthingToWorld (const ossimDpt &eastingNorthing, ossimGpt &worldPt) const

virtual double	getStandardParallel1 () const
	Derived classes should implement as needed. More...

virtual double	getStandardParallel2 () const
	Derived classes should implement as needed. More...

virtual void	setPcsCode (ossim_uint32 pcsCode)

virtual ossim_uint32	getPcsCode () const
	Returns the EPSG PCS code or 32767 if the projection is a custom (non-EPSG) projection. More...

virtual ossimString	getProjectionName () const
	Returns the projection name. More...

virtual double	getA () const
	ACCESS METHODS: More...

virtual double	getB () const

virtual double	getF () const

virtual ossimDpt	getMetersPerPixel () const

virtual const ossimDpt &	getDecimalDegreesPerPixel () const
	Returns decimal degrees per pixel as an ossimDpt with "x" representing longitude and "y" representing latitude. More...

virtual const ossimDpt &	getUlEastingNorthing () const

virtual const ossimGpt &	getUlGpt () const

virtual const ossimDatum *	getDatum () const

const ossimEllipsoid &	getEllipsoid () const

const ossimGpt &	getOrigin () const

virtual bool	isGeographic () const

virtual void	applyScale (const ossimDpt &scale, bool recenterTiePoint)
	Applies scale to theDeltaLonPerPixel, theDeltaLatPerPixel and theMetersPerPixel data members (eg: theDeltaLonPerPixel *= scale.x). More...

virtual void	setEllipsoid (const ossimEllipsoid &ellipsoid)
	SET METHODS: More...

virtual void	setAB (double a, double b)

virtual void	setDatum (const ossimDatum *datum)
	Sets theDatum to datum. More...

virtual void	setOrigin (const ossimGpt &origin)
	Sets theOrigin to origin. More...

virtual void	setMetersPerPixel (const ossimDpt &gsd)

virtual void	setDecimalDegreesPerPixel (const ossimDpt &gsd)

virtual void	setUlTiePoints (const ossimGpt &gpt)

virtual void	setUlTiePoints (const ossimDpt &eastingNorthing)

virtual void	setUlEastingNorthing (const ossimDpt &ulEastingNorthing)

virtual void	setUlGpt (const ossimGpt &ulGpt)

virtual void	assign (const ossimProjection &aProjection)

virtual std::ostream &	print (std::ostream &out) const
	Prints data members to stream. More...

virtual bool	operator== (const ossimProjection &projection) const
	Compares this to arg projection and returns TRUE if the same. More...

virtual void	computeDegreesPerPixel ()
	Computes the approximate resolution in degrees/pixel. More...

virtual void	computeMetersPerPixel ()
	This will go from the ground point and give you an approximate meters per pixel. More...

void	setMatrix (double rotation, const ossimDpt &scale, const ossimDpt &translation)

void	setMatrixScale (const ossimDpt &scale)

void	setMatrixRotation (double rotation)

void	setMatrixTranslation (const ossimDpt &translation)

void	snapTiePointTo (ossim_float64 multiple, ossimUnitType unitType)
	Utility method to snap the tie point to some multiple. More...

void	snapTiePointToOrigin ()

void	setElevationLookupFlag (bool flag)

bool	getElevationLookupFlag () const

ossimUnitType	getModelTransformUnitType () const

void	setModelTransformUnitType (ossimUnitType unit)

bool	hasModelTransform () const

virtual bool	isAffectedByElevation () const
	Implementation of pure virtual ossimProjection::isAffectedByElevation method. More...

void	setProjectionUnits (ossimUnitType units)

ossimUnitType	getProjectionUnits () const
	OSSIM considers all map projection coordinates (including false eastings and northings) to be in meters. More...

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

Public Member Functions inherited from ossimProjection
	ossimProjection ()

virtual	~ossimProjection ()

virtual void	getRoundTripError (const ossimDpt &imagePoint, ossimDpt &errorResult) const

virtual void	getRoundTripError (const ossimGpt &groundPoint, ossimDpt &errorResult) const

virtual void	getGroundClipPoints (ossimGeoPolygon &gpts) const

virtual bool	operator!= (const ossimProjection &projection) const

Public Member Functions inherited from ossimObject
	ossimObject ()

virtual	~ossimObject ()

virtual ossimString	getShortName () const

virtual ossimString	getLongName () const

virtual ossimString	getDescription () 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 void	accept (ossimVisitor &visitor)

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 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
long	Convert_Geodetic_To_NZMG (double Latitude, double Longitude, double Easting, double Northing) const

long	Convert_NZMG_To_Geodetic (double Easting, double Northing, double Latitude, double Longitude) const

Protected Member Functions inherited from ossimMapProjection
virtual	~ossimMapProjection ()

void	updateFromTransform ()

Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Attributes
double	NZMG_Origin_Lat

double	NZMG_Origin_Long

double	NZMG_False_Northing

double	NZMG_False_Easting

double	NZMG_a

double	NZMG_Max_Easting

double	NZMG_Max_Northing

double	NZMG_Min_Easting

double	NZMG_Min_Northing

Protected Attributes inherited from ossimMapProjection
ossimEllipsoid	theEllipsoid
	This method verifies that the projection parameters match the current pcs code. More...

ossimGpt	theOrigin

const ossimDatum *	theDatum
	This is only set if we want to have built in datum shifting. More...

ossimDpt	theMetersPerPixel
	Holds the number of meters per pixel. More...

ossimDpt	theDegreesPerPixel
	Hold the decimal degrees per pixel. More...

ossimGpt	theUlGpt
	Hold tie point in decimal degrees. More...

ossimDpt	theUlEastingNorthing
	Hold tie point as easting northing. More...

ossimDpt	theFalseEastingNorthing
	Hold the false easting northing. More...

ossim_uint32	thePcsCode
	Projection Coordinate System(PCS) code. More...

bool	theElevationLookupFlag

ossimMatrix4x4	theModelTransform

ossimMatrix4x4	theInverseModelTransform

ossimUnitType	theModelTransformUnitType

ossimUnitType	theProjectionUnits
	Linear units of the projection as indicated in the projection's specification: More...

Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode	theErrorStatus

Detailed Description

Definition at line 17 of file ossimNewZealandMapGridProjection.h.

Constructor & Destructor Documentation

◆ ossimNewZealandMapGridProjection()

ossimNewZealandMapGridProjection::ossimNewZealandMapGridProjection ( )

Definition at line 110 of file ossimNewZealandMapGridProjection.cpp.

References setDefaults(), and update().

    :ossimMapProjection(*ossimEllipsoidFactory::instance()->create("IN"),
                        ossimGpt(-41, 173.0))
 {
    setDefaults();
    update();
 }

◆ ~ossimNewZealandMapGridProjection()

ossimNewZealandMapGridProjection::~ossimNewZealandMapGridProjection ( )

Definition at line 118 of file ossimNewZealandMapGridProjection.cpp.

119 {

120 }

Member Function Documentation

◆ Convert_Geodetic_To_NZMG()

long ossimNewZealandMapGridProjection::Convert_Geodetic_To_NZMG	(	double	Latitude,
		double	Longitude,
		double *	Easting,
		double *	Northing
	)		const

protected

The function Convert_Geodetic_To_NZMG converts geodetic (latitude and longitude) coordinates to New Zealand Map Grid projection (easting and northing) coordinates, according to the current ellipsoid and New Zealand Map Grid projection parameters. If any errors occur, the error code(s) are returned by the function, otherwise NZMG_NO_ERROR is returned.

Latitude : Latitude (phi), in radians (input) Longitude : Longitude (lambda), in radians (input) Easting : Easting (X), in meters (output) Northing : Northing (Y), in meters (output)

Definition at line 260 of file ossimNewZealandMapGridProjection.cpp.

References A, ComplexNumber::imag, M_PI, n, NZMG_NO_ERROR, NZMG_Origin_Lat, NZMG_Origin_Long, and ComplexNumber::real.

Referenced by forward().

 { /* BEGIN Convert_Geodetic_To_NZMG */
 /*
  * The function Convert_Geodetic_To_NZMG converts geodetic (latitude and
  * longitude) coordinates to New Zealand Map Grid projection (easting and northing)
  * coordinates, according to the current ellipsoid and New Zealand Map Grid 
  * projection parameters.  If any errors occur, the error code(s) are returned 
  * by the function, otherwise NZMG_NO_ERROR is returned.
  *
  *    Latitude          : Latitude (phi), in radians           (input)
  *    Longitude         : Longitude (lambda), in radians       (input)
  *    Easting           : Easting (X), in meters               (output)
  *    Northing          : Northing (Y), in meters              (output)
  */
 
   Complex Zeta, z;
   int n;
   double dphi;
   double du, dlam;
   long Error_Code = NZMG_NO_ERROR;
 
 //   if ((Latitude < MIN_LAT) || (Latitude > MAX_LAT))
 //   {  /* Latitude out of range */
 //     Error_Code|= NZMG_LAT_ERROR;
 //   }
 //   if ((Longitude < MIN_LON) || (Longitude > MAX_LON))
 //   {  /* Longitude out of range */
 //     Error_Code|= NZMG_LON_ERROR;
 //   }
 
   if (!Error_Code)
   { /* no errors */
     dphi = (Latitude * (180.0 / M_PI) - NZMG_Origin_Lat) * 3600.0 * 1.0e-5;
     du = A[9];
     for (n = 8; n >= 0; n--)
       du = du * dphi + A[n];
     du *= dphi;
 
     dlam = Longitude - NZMG_Origin_Long;
 
     Zeta.real = du;
     Zeta.imag = dlam;
 
     z.real = B[5].real;
     z.imag = B[5].imag;
     for (n = 4; n >= 0; n--)
     {
       z = Multiply(z, Zeta);
       z = Add(B[n], z);
     }
     z = Multiply(z, Zeta);
 
     *Easting = (z.imag * NZMG_a) + NZMG_False_Easting;
     *Northing = (z.real * NZMG_a) + NZMG_False_Northing;
 
 //     if ((*Easting < NZMG_Min_Easting) || (*Easting > NZMG_Max_Easting)) 
 //       Error_Code |= NZMG_EASTING_ERROR;
 //     if ((*Northing < NZMG_Min_Northing) || (*Northing > NZMG_Max_Northing))
 //       Error_Code |= NZMG_NORTHING_ERROR;
   }
   return (Error_Code);
 } /* END OF Convert_Geodetic_To_NZMG */

◆ Convert_NZMG_To_Geodetic()

long ossimNewZealandMapGridProjection::Convert_NZMG_To_Geodetic	(	double	Easting,
		double	Northing,
		double *	Latitude,
		double *	Longitude
	)		const

protected

The function Convert_NZMG_To_Geodetic converts New Zealand Map Grid projection (easting and northing) coordinates to geodetic (latitude and longitude) coordinates, according to the current ellipsoid and New Zealand Map Grid projection coordinates. If any errors occur, the error code(s) are returned by the function, otherwise NZMG_NO_ERROR is returned.

Easting : Easting (X), in meters (input) Northing : Northing (Y), in meters (input) Latitude : Latitude (phi), in radians (output) Longitude : Longitude (lambda), in radians (output)

Definition at line 328 of file ossimNewZealandMapGridProjection.cpp.

References ComplexNumber::imag, n, NZMG_a, NZMG_False_Easting, NZMG_False_Northing, NZMG_NO_ERROR, and ComplexNumber::real.

Referenced by inverse().

 { /* Begin Convert_NZMG_To_Geodetic */
 /*
  * The function Convert_NZMG_To_Geodetic converts New Zealand Map Grid projection
  * (easting and northing) coordinates to geodetic (latitude and longitude)
  * coordinates, according to the current ellipsoid and New Zealand Map Grid projection
  * coordinates.  If any errors occur, the error code(s) are returned by the
  * function, otherwise NZMG_NO_ERROR is returned.
  *
  *    Easting           : Easting (X), in meters                  (input)
  *    Northing          : Northing (Y), in meters                 (input)
  *    Latitude          : Latitude (phi), in radians              (output)
  *    Longitude         : Longitude (lambda), in radians          (output)
  */
 
   int i, n;
   Complex coeff;
   Complex z, Zeta, Zeta_Numer, Zeta_Denom, Zeta_sqr;
   double dphi;
   long Error_Code = NZMG_NO_ERROR; 
 
 //   if ((Easting < NZMG_Min_Easting) || (Easting > NZMG_Max_Easting)) 
 //   { /* Easting out of range  */
 //     Error_Code |= NZMG_EASTING_ERROR;
 //   }
 //   if ((Northing < NZMG_Min_Northing) || (Northing > NZMG_Max_Northing))
 //   { /* Northing out of range */
 //     Error_Code |= NZMG_NORTHING_ERROR;
 //   }
 
   if (!Error_Code)
   { /* no errors */
     z.real = (Northing - NZMG_False_Northing) / NZMG_a;
     z.imag = (Easting - NZMG_False_Easting) / NZMG_a;
 
     Zeta.real = C[5].real;
     Zeta.imag = C[5].imag;
     for (n = 4; n >= 0; n--)
     {
       Zeta = Multiply(Zeta, z);
       Zeta = Add(C[n], Zeta);
     }
     Zeta = Multiply(Zeta, z);
 
     for (i = 0; i < 2; i++)
     {
       Zeta_Numer.real = 5.0 * B[5].real;
       Zeta_Numer.imag = 5.0 * B[5].imag;
       Zeta_Denom.real = 6.0 * B[5].real;
       Zeta_Denom.imag = 6.0 * B[5].imag;
       for (n = 4; n >= 1; n--)
       {
         Zeta_Numer = Multiply(Zeta_Numer, Zeta);
         coeff.real = n * B[n].real;
         coeff.imag = n * B[n].imag;
         Zeta_Numer = Add(coeff, Zeta_Numer); 
 
         Zeta_Denom = Multiply(Zeta_Denom, Zeta);
         coeff.real = (n+1) * B[n].real;
         coeff.imag = (n+1) * B[n].imag;
         Zeta_Denom = Add(coeff, Zeta_Denom);
       }
       Zeta_sqr = Multiply(Zeta, Zeta);
 
       Zeta_Numer = Multiply(Zeta_Numer, Zeta_sqr);
       Zeta_Numer = Add(z, Zeta_Numer);
 
       Zeta_Denom = Multiply(Zeta_Denom, Zeta);
       Zeta_Denom = Add(B[0], Zeta_Denom);
 
       Zeta = Divide(Zeta_Numer, Zeta_Denom);  
     }
     dphi = D[8];
     for (n = 7; n >= 0; n--)
       dphi = dphi * Zeta.real + D[n];
     dphi *= Zeta.real;
       
     *Latitude = NZMG_Origin_Lat + (dphi * 1.0e5 / 3600.0);
     *Latitude *= M_PI / 180.0;
     *Longitude = NZMG_Origin_Long + Zeta.imag;
 
 //     if ((*Longitude > M_PI) && (*Longitude - M_PI < 1.0e-6))
 //       *Longitude = M_PI;
 
 //     if ((*Latitude < MIN_LAT) || (*Latitude > MAX_LAT))
 //       Error_Code|= NZMG_LAT_ERROR;
 //     if ((*Longitude < MIN_LON) || (*Longitude > MAX_LON))
 //       Error_Code|= NZMG_LON_ERROR;
   }
   return (Error_Code);
 } /* END OF Convert_NZMG_To_Geodetic */

◆ dup()

virtual ossimObject* ossimNewZealandMapGridProjection::dup ( ) const

inlinevirtual

Implements ossimProjection.

Definition at line 22 of file ossimNewZealandMapGridProjection.h.

       {
          return new ossimNewZealandMapGridProjection(*this);
       }

◆ forward()

ossimDpt ossimNewZealandMapGridProjection::forward ( const ossimGpt & worldPoint ) const

virtual

All map projections will convert the world coordinate to an easting northing (Meters).

Implements ossimMapProjection.

Definition at line 200 of file ossimNewZealandMapGridProjection.cpp.

References ossimGpt::changeDatum(), ossimDatum::code(), Convert_Geodetic_To_NZMG(), ossimGpt::datum(), ossimGpt::latr(), ossimGpt::lonr(), and ossimMapProjection::theDatum.

 {
    double easting  = 0.0;
    double northing = 0.0;
    ossimGpt gpt = latLon;
    
    if (theDatum)
    {
       if (theDatum->code() != latLon.datum()->code())
       {
          gpt.changeDatum(theDatum); // Shift to our datum.
       }
    }
 
    Convert_Geodetic_To_NZMG(gpt.latr(),
                             gpt.lonr(),
                             &easting,
                             &northing);
    
    return ossimDpt(easting, northing); 
 }

◆ getFalseEasting()

double ossimNewZealandMapGridProjection::getFalseEasting ( ) const

inlinevirtual

Returns: The false easting.

Reimplemented from ossimMapProjection.

Definition at line 51 of file ossimNewZealandMapGridProjection.h.

51 {return NZMG_False_Easting;}

ossimNewZealandMapGridProjection::NZMG_False_Easting

double NZMG_False_Easting

Definition: ossimNewZealandMapGridProjection.h:75

◆ getFalseNorthing()

double ossimNewZealandMapGridProjection::getFalseNorthing ( ) const

inlinevirtual

Returns: The false northing.

Reimplemented from ossimMapProjection.

Definition at line 52 of file ossimNewZealandMapGridProjection.h.

52 {return NZMG_False_Northing;}

ossimNewZealandMapGridProjection::NZMG_False_Northing

double NZMG_False_Northing

Definition: ossimNewZealandMapGridProjection.h:74

◆ inverse()

ossimGpt ossimNewZealandMapGridProjection::inverse ( const ossimDpt & projectedPoint ) const

virtual

Will take a point in meters and convert it to ground.

Implements ossimMapProjection.

Definition at line 187 of file ossimNewZealandMapGridProjection.cpp.

References Convert_NZMG_To_Geodetic(), DEG_PER_RAD, ossimMapProjection::theDatum, ossimDpt::x, and ossimDpt::y.

 {
    double lat = 0.0;
    double lon = 0.0;
 
    Convert_NZMG_To_Geodetic(eastingNorthing.x,
                             eastingNorthing.y,
                             &lat,
                             &lon);
    
    return ossimGpt(lat*DEG_PER_RAD, lon*DEG_PER_RAD, 0.0, theDatum);
 }

◆ loadState()

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

virtual

Method to the load (recreate) the state of an object from a keyword list. Return true if ok or false on error.

Reimplemented from ossimMapProjection.

Definition at line 230 of file ossimNewZealandMapGridProjection.cpp.

References ossimKeywordlist::add(), ossimKeywordNames::CENTRAL_MERIDIAN_KW, ossimKeywordNames::DATUM_KW, ossimMapProjection::loadState(), ossimKeywordNames::ORIGIN_LATITUDE_KW, setDefaults(), and update().

 {
    ossimKeywordlist newKwl = kwl;
 
    // force a New Zealand Datum and the origin of lat and lon
    // to the New Zealand.
    newKwl.add(prefix,
               ossimKeywordNames::DATUM_KW,
               "GEO",
               true);
    
    newKwl.add(prefix,
               ossimKeywordNames::ORIGIN_LATITUDE_KW,
               -41,
               true);
    
    newKwl.add(prefix,
               ossimKeywordNames::CENTRAL_MERIDIAN_KW,
               173.0,
               true);
    
    setDefaults();
    
    ossimMapProjection::loadState(newKwl, prefix);
    update();
 
    return true;
 }

◆ saveState()

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

virtual

Method to save the state of an object to a keyword list. Return true if ok or false on error.

Reimplemented from ossimMapProjection.

Definition at line 222 of file ossimNewZealandMapGridProjection.cpp.

References ossimMapProjection::saveState().

 {
    ossimMapProjection::saveState(kwl, prefix);
 
    return true;
 }

◆ setDefaults()

void ossimNewZealandMapGridProjection::setDefaults ( )

Definition at line 142 of file ossimNewZealandMapGridProjection.cpp.

References ossimGpt::latd(), ossimGpt::lond(), ossimGpt::lonr(), NZMG_False_Easting, NZMG_False_Northing, NZMG_Max_Easting, NZMG_Max_Northing, NZMG_Min_Easting, NZMG_Min_Northing, NZMG_Origin_Lat, NZMG_Origin_Long, and ossimMapProjection::theOrigin.

Referenced by loadState(), and ossimNewZealandMapGridProjection().

 {
    theOrigin.latd(-41.0);
    theOrigin.lond(173.0);
 
    // origin of lat needs to be in degrees
    NZMG_Origin_Lat     = theOrigin.latd();
 
    // origin of lon is in radians
    NZMG_Origin_Long    = theOrigin.lonr();
    NZMG_Max_Easting    = 3170000.0;
    NZMG_Max_Northing   = 6900000.0;
    NZMG_Min_Easting    = 1810000.0;
    NZMG_Min_Northing   = 5160000.0;
 
    NZMG_False_Easting  = 2510000.0;
    NZMG_False_Northing = 6023150.0;
 }

◆ setFalseEasting()

void ossimNewZealandMapGridProjection::setFalseEasting ( double falseEasting )

SetFalseEasting. The value is in meters. Update is then called so we can pre-compute paramters

Definition at line 122 of file ossimNewZealandMapGridProjection.cpp.

References NZMG_False_Easting, and update().

 {
    NZMG_False_Easting  = falseEasting;
    update();
 }

◆ setFalseEastingNorthing()

void ossimNewZealandMapGridProjection::setFalseEastingNorthing	(	double	falseEasting,
		double	falseNorthing
	)

Sets both false easting and northing values. The values are expected to be in meters. Update is then called so we can pre-compute paramters

Definition at line 134 of file ossimNewZealandMapGridProjection.cpp.

References NZMG_False_Easting, NZMG_False_Northing, and update().

Referenced by ossimEpsgProjectionDatabase::createProjFromFormatARecord().

 {
    NZMG_False_Easting  = falseEasting;
    NZMG_False_Northing = falseNorthing;
    
    update();   
 }

◆ setFalseNorthing()

void ossimNewZealandMapGridProjection::setFalseNorthing ( double falseNorthing )

SetFalseNorthing. The value is in meters. Update is then called so we can pre-compute paramters

Definition at line 128 of file ossimNewZealandMapGridProjection.cpp.

References NZMG_False_Northing, and update().

 {
    NZMG_False_Northing = falseNorthing;
    update();
 }

◆ update()

void ossimNewZealandMapGridProjection::update ( )

virtual

Reimplemented from ossimMapProjection.

Definition at line 161 of file ossimNewZealandMapGridProjection.cpp.

References ossimDatumFactory::create(), ossimDatum::ellipsoid(), ossimEllipsoid::getA(), ossimDatumFactory::instance(), ossimGpt::latd(), ossimGpt::lonr(), NZMG_a, NZMG_False_Easting, NZMG_False_Northing, NZMG_Origin_Lat, NZMG_Origin_Long, ossimNotify(), ossimNotifyLevel_WARN, ossimMapProjection::theDatum, ossimMapProjection::theEllipsoid, ossimMapProjection::theFalseEastingNorthing, ossimMapProjection::theOrigin, ossimMapProjection::update(), ossimDpt::x, and ossimDpt::y.

Referenced by loadState(), ossimNewZealandMapGridProjection(), setFalseEasting(), setFalseEastingNorthing(), and setFalseNorthing().

 {
    theOrigin = ossimGpt(-41, 173);
 
    // create the new zealand datum.
    theDatum     = ossimDatumFactory::instance()->create(ossimString("GEO"));
 
    if(theDatum)
    {
       theEllipsoid = *(theDatum->ellipsoid());
    }
    else
    {
       ossimNotify(ossimNotifyLevel_WARN) << "WARNING ossimNewZealandMapGridProjection::update(): Was unable to locate the newzealand datum!" << std::endl;
    }
    
    NZMG_Origin_Lat   = theOrigin.latd();
    NZMG_Origin_Long  = theOrigin.lonr();
    NZMG_a            = theEllipsoid.getA();
 
    theFalseEastingNorthing.x = NZMG_False_Easting;
    theFalseEastingNorthing.y = NZMG_False_Northing;
 
    ossimMapProjection::update();
 }