ossimThreeParamDatum Class Reference

#include <ossimThreeParamDatum.h>

Inheritance diagram for ossimThreeParamDatum:

Public Member Functions
	ossimThreeParamDatum (const ossimString &code, const ossimString &name, const ossimEllipsoid *anEllipsoid, ossim_float64 sigmaX, ossim_float64 sigmaY, ossim_float64 sigmaZ, ossim_float64 westLongitude, ossim_float64 eastLongitude, ossim_float64 southLatitude, ossim_float64 northLatitude, ossim_float64 param1, ossim_float64 param2, ossim_float64 param3)
virtual	~ossimThreeParamDatum ()
virtual ossimGpt	shift (const ossimGpt &aPt) const
virtual ossimGpt	shiftToWgs84 (const ossimGpt &aPt) const
virtual ossimGpt	shiftFromWgs84 (const ossimGpt &aPt) const
virtual ossim_float64	param1 () const
virtual ossim_float64	param2 () const
virtual ossim_float64	param3 () const
virtual ossim_float64	param4 () const
virtual ossim_float64	param5 () const
virtual ossim_float64	param6 () const
virtual ossim_float64	param7 () const
virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const
Public Member Functions inherited from ossimDatum
	ossimDatum (const ossimString &alpha_code, const ossimString &name, const ossimEllipsoid *anEllipsoid, ossim_float64 sigmaX, ossim_float64 sigmaY, ossim_float64 sigmaZ, ossim_float64 westLongitude, ossim_float64 eastLongitude, ossim_float64 southLatitude, ossim_float64 northLatitude)
virtual bool	isTheSameAs (const ossimDatum *aDatum) const
virtual const ossimString &	code () const
virtual const ossimString &	name () const
virtual ossim_uint32	epsgCode () const
virtual const ossimEllipsoid *	ellipsoid () const
virtual ossim_float64	sigmaX () const
virtual ossim_float64	sigmaY () const
virtual ossim_float64	sigmaZ () const
virtual ossim_float64	westLongitude () const
virtual ossim_float64	eastLongitude () const
virtual ossim_float64	southLatitude () const
virtual ossim_float64	northLatitude () const
virtual bool	isInside (ossim_float64 latitude, ossim_float64 longitude) const
bool	operator== (const ossimDatum &rhs) const
bool	operator!= (const ossimDatum &rhs) const
Public Member Functions inherited from ossimObject
	ossimObject ()
virtual	~ossimObject ()
virtual ossimObject *	dup () const
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 bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
virtual std::ostream &	print (std::ostream &out) const
	Generic print method. More...
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

Protected Attributes
ossim_float64	theParam1
ossim_float64	theParam2
ossim_float64	theParam3
	TYPE_DATA
Protected Attributes inherited from ossimDatum
ossimString	theCode
ossim_uint32	theEpsgCode
ossimString	theName
const ossimEllipsoid *	theEllipsoid
ossim_float64	theSigmaX
ossim_float64	theSigmaY
ossim_float64	theSigmaZ
ossim_float64	theWestLongitude
ossim_float64	theEastLongitude
ossim_float64	theSouthLatitude
ossim_float64	theNorthLatitude
	TYPE_DATA

Additional Inherited Members
Protected Member Functions inherited from ossimDatum
virtual	~ossimDatum ()
	Only friend ossimDatumFactory is permitted to delete. More...
virtual void	molodenskyShift (double a, double da, double f, double df, double dx, double dy, double dz, double Lat_in, double Lon_in, double Hgt_in, double &Lat_out, double &Lon_out, double &Hgt_out) const
bool	withinMolodenskyRange (const ossimGpt &pt) const
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Detailed Description

Definition at line 18 of file ossimThreeParamDatum.h.

Constructor & Destructor Documentation

ossimThreeParamDatum()

ossimThreeParamDatum::ossimThreeParamDatum ( const ossimString &  code, const ossimString &  name, const ossimEllipsoid *  anEllipsoid, ossim_float64  sigmaX, ossim_float64  sigmaY, ossim_float64  sigmaZ, ossim_float64  westLongitude, ossim_float64  eastLongitude, ossim_float64  southLatitude, ossim_float64  northLatitude, ossim_float64  param1, ossim_float64  param2, ossim_float64  param3  )

inline

Parameters

code	new datum code. (input)
name	Name of the new datum (input)
SigmaX	Standard error in X in meters (input)
SigmaY	Standard error in Y in meters (input)
SigmaZ	Standard error in Z in meters (input)
southLatitude	Southern edge of validity rectangle in radians(input)
northLatitude	Northern edge of validity rectangle in radians(input)
westLongitude	Western edge of validity rectangle in radians (input)
eastLongitude	Eastern edge of validity rectangle in radians (input)
param1	X translation
param2	Y translation
param3	Z translation

Definition at line 35 of file ossimThreeParamDatum.h.

      : ossimDatum(code, name, anEllipsoid,
              sigmaX, sigmaY, sigmaZ,
              westLongitude, eastLongitude,
              southLatitude, northLatitude),
        theParam1(param1),
        theParam2(param2),
        theParam3(param3)
      {}

~ossimThreeParamDatum()

virtual ossimThreeParamDatum::~ossimThreeParamDatum ( )

inlinevirtual

Definition at line 55 of file ossimThreeParamDatum.h.

{}

Member Function Documentation

isEqualTo()

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

virtual

Reimplemented from ossimDatum.

Definition at line 148 of file ossimThreeParamDatum.cpp.

References ossim::almostEqual(), ossimDatum::isEqualTo(), theParam1, theParam2, and theParam3.

{
   const ossimThreeParamDatum* datum = dynamic_cast<const ossimThreeParamDatum*> (&obj);
   
   bool result = datum&&ossimDatum::isEqualTo(obj, compareType);
   
   if(result)
   {
      result = (ossim::almostEqual(theParam1, datum->theParam1)&&
                ossim::almostEqual(theParam2, datum->theParam2)&&
                ossim::almostEqual(theParam3, datum->theParam3));
   }
   
   return result;
}

param1()

virtual ossim_float64 ossimThreeParamDatum::param1 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 65 of file ossimThreeParamDatum.h.

Referenced by shiftFromWgs84(), and shiftToWgs84().

{return theParam1;}

param2()

virtual ossim_float64 ossimThreeParamDatum::param2 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 66 of file ossimThreeParamDatum.h.

Referenced by shiftFromWgs84(), and shiftToWgs84().

{return theParam2;}

param3()

virtual ossim_float64 ossimThreeParamDatum::param3 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 67 of file ossimThreeParamDatum.h.

Referenced by shiftFromWgs84(), and shiftToWgs84().

{return theParam3;}

param4()

virtual ossim_float64 ossimThreeParamDatum::param4 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 68 of file ossimThreeParamDatum.h.

{return 0.0;}

param5()

virtual ossim_float64 ossimThreeParamDatum::param5 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 69 of file ossimThreeParamDatum.h.

{return 0.0;}

param6()

virtual ossim_float64 ossimThreeParamDatum::param6 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 70 of file ossimThreeParamDatum.h.

{return 0.0;}

param7()

virtual ossim_float64 ossimThreeParamDatum::param7 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 71 of file ossimThreeParamDatum.h.

{return 1.0;}

shift()

ossimGpt ossimThreeParamDatum::shift ( const ossimGpt &  aPt ) const

virtual

Will shift a ground point to this datum. If they are the same datum then nothing happens.

Implements ossimDatum.

Reimplemented in ossimWgs84Datum, ossimWgs72Datum, ossimNadconNasDatum, and ossimNadconNarDatum.

Definition at line 131 of file ossimThreeParamDatum.cpp.

References ossimDatum::code(), ossimGpt::datum(), ossimGpt::height(), ossimGpt::latd(), ossimGpt::lond(), shiftFromWgs84(), and ossimDatum::shiftToWgs84().

Referenced by ossimNadconNarDatum::shift(), and ossimNadconNasDatum::shift().

{
   const ossimDatum *aDatum = aPt.datum();

   if( code() == aDatum->code())
   {
      return ossimGpt(aPt.latd(), aPt.lond(), aPt.height(), this);
   }
   
   if(aDatum)
   {
      return shiftFromWgs84(aDatum->shiftToWgs84(aPt));
   }

   return aPt;
}

shiftFromWgs84()

ossimGpt ossimThreeParamDatum::shiftFromWgs84 ( const ossimGpt &  aPt ) const

virtual

Implements ossimDatum.

Reimplemented in ossimWgs84Datum, and ossimWgs72Datum.

Definition at line 77 of file ossimThreeParamDatum.cpp.

References ossim::almostEqual(), ossimDatum::ellipsoid(), ossimEllipsoid::getA(), ossimEllipsoid::getFlattening(), ossimGpt::height(), ossimGpt::isHgtNan(), ossimGpt::latd(), ossimGpt::latr(), ossimGpt::lond(), ossimGpt::lonr(), ossimDatum::molodenskyShift(), param1(), param2(), param3(), theParam1, theParam2, theParam3, ossimDatum::withinMolodenskyRange(), ossimEcefPoint::x(), ossimEcefPoint::y(), and ossimEcefPoint::z().

Referenced by shift().

{
   if(ossim::almostEqual(param1(), 0.0)&&
      ossim::almostEqual(param2(), 0.0)&&
      ossim::almostEqual(param3(), 0.0))
   {
      return ossimGpt(aPt.latd(),
                      aPt.lond(),
                      aPt.latd(),
                      this);
   }
   ossimEcefPoint p1=aPt;
   ossimEcefPoint p2=aPt;
   
   if(withinMolodenskyRange(aPt.latd()))
   {
      ossimWgs84Datum wgs84;
      double latin, lonin, hgtin;
      double latout, lonout, hgtout;
      
      double da = ellipsoid()->getA() -  wgs84.ellipsoid()->getA();
      double df = ellipsoid()->getFlattening() - wgs84.ellipsoid()->getFlattening();

      latin = aPt.latr();
      lonin = aPt.lonr();
      hgtin = aPt.height();

      if(aPt.isHgtNan())
      {
         hgtin = 0.0;
      }
      molodenskyShift(wgs84.ellipsoid()->getA(), da, wgs84.ellipsoid()->getFlattening(), df, -param1(), -param2(), -param3(),
                      latin, lonin, hgtin,
                      latout, lonout, hgtout);
      ossimGpt g;

      g.latr(latout);
      g.lonr(lonout);
      g.height(hgtout);
      g.datum(this);
      return g;
   }
   else
   {
      p2 = ossimEcefPoint(p1.x() - theParam1,
                          p1.y() - theParam2,
                          p1.z() - theParam3);
   }
   
   
   return ossimGpt(p2, this);
}

shiftToWgs84()

ossimGpt ossimThreeParamDatum::shiftToWgs84 ( const ossimGpt &  aPt ) const

virtual

Implements ossimDatum.

Reimplemented in ossimWgs84Datum, and ossimWgs72Datum.

Definition at line 22 of file ossimThreeParamDatum.cpp.

References ossim::almostEqual(), ossimGpt::datum(), ossimDatum::ellipsoid(), ossimEllipsoid::getA(), ossimEllipsoid::getFlattening(), ossimGpt::height(), ossimGpt::isHgtNan(), ossimGpt::latd(), ossimGpt::latr(), ossimGpt::lond(), ossimGpt::lonr(), ossimDatum::molodenskyShift(), param1(), param2(), param3(), theParam1, theParam2, theParam3, ossimDatum::withinMolodenskyRange(), ossimEcefPoint::x(), ossimEcefPoint::y(), and ossimEcefPoint::z().

{
   
   if(ossim::almostEqual(param1(),  0.0)&&
      ossim::almostEqual(param2(), 0.0)&&
      ossim::almostEqual(param3(), 0.0))
   {
      return ossimGpt(aPt.latd(),
                      aPt.lond(),
                      aPt.latd(),
                      ossimGpt().datum());
   }
      
   ossimEcefPoint p1 = aPt;
   ossimEcefPoint p2;
 
   
   if(withinMolodenskyRange(aPt.latd()))
   {
      ossimWgs84Datum wgs84;
      double latin, lonin, hgtin;
      double latout, lonout, hgtout;
      
      double da = wgs84.ellipsoid()->getA() - ellipsoid()->getA();
      double df = wgs84.ellipsoid()->getFlattening() - ellipsoid()->getFlattening();

      latin = aPt.latr();
      lonin = aPt.lonr();
      hgtin = aPt.height();

      if(aPt.isHgtNan())
      {
         hgtin = 0.0;
      }
      molodenskyShift(ellipsoid()->getA(), da, ellipsoid()->getFlattening(), df, param1(), param2(), param3(),
                      latin, lonin, hgtin,
                      latout, lonout, hgtout);
      ossimGpt g;

      g.latr(latout);
      g.lonr(lonout);
      g.height(hgtout);
      g.datum(this);
      return g;
   }
   else
     {
       p2 = ossimEcefPoint(p1.x() + theParam1,
               p1.y() + theParam2,
               p1.z() + theParam3);
     }
   
   return ossimGpt(p2); // defaults to WGS84
}

Member Data Documentation

theParam1

ossim_float64 ossimThreeParamDatum::theParam1

protected

Definition at line 77 of file ossimThreeParamDatum.h.

Referenced by isEqualTo(), shiftFromWgs84(), and shiftToWgs84().

theParam2

ossim_float64 ossimThreeParamDatum::theParam2

protected

Definition at line 78 of file ossimThreeParamDatum.h.

Referenced by isEqualTo(), shiftFromWgs84(), and shiftToWgs84().

theParam3

ossim_float64 ossimThreeParamDatum::theParam3

protected

Definition at line 79 of file ossimThreeParamDatum.h.

Referenced by isEqualTo(), shiftFromWgs84(), and shiftToWgs84().

TYPE_DATA

ossimThreeParamDatum::TYPE_DATA

protected

Definition at line 81 of file ossimThreeParamDatum.h.

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

• ossimThreeParamDatum.h
• ossimThreeParamDatum.cpp