ossimSevenParamDatum Class Reference

#include <ossimSevenParamDatum.h>

Inheritance diagram for ossimSevenParamDatum:

Public Member Functions
	ossimSevenParamDatum (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 aParam1, ossim_float64 aParam2, ossim_float64 aParam3, ossim_float64 aParam4, ossim_float64 aParam5, ossim_float64 aParam6, ossim_float64 aParam7)
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

Private Attributes
ossim_float64	theParam1
ossim_float64	theParam2
ossim_float64	theParam3
ossim_float64	theParam4
ossim_float64	theParam5
ossim_float64	theParam6
ossim_float64	theParam7
	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 ()
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

Detailed Description

Definition at line 20 of file ossimSevenParamDatum.h.

Constructor & Destructor Documentation

ossimSevenParamDatum()

ossimSevenParamDatum::ossimSevenParamDatum ( 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  aParam1, ossim_float64  aParam2, ossim_float64  aParam3, ossim_float64  aParam4, ossim_float64  aParam5, ossim_float64  aParam6, ossim_float64  aParam7  )

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
param4	X Rotation
param5	Y Rotation
param6	Z Rotation
param7	x,y,z Scale

Definition at line 41 of file ossimSevenParamDatum.h.

      : ossimDatum(code, name, anEllipsoid,
                   sigmaX, sigmaY, sigmaZ,
                   westLongitude, eastLongitude,
                   southLatitude, northLatitude),
        theParam1(aParam1),
        theParam2(aParam2),
        theParam3(aParam3),
        theParam4(aParam4),
        theParam5(aParam5),
        theParam6(aParam6),
        theParam7(aParam7)
      {}

Member Function Documentation

isEqualTo()

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

virtual

Reimplemented from ossimDatum.

Definition at line 160 of file ossimSevenParamDatum.cpp.

References ossim::almostEqual(), ossimDatum::isEqualTo(), theParam1, theParam2, theParam3, theParam4, theParam5, theParam6, and theParam7.

{
   const ossimSevenParamDatum* datum = dynamic_cast<const ossimSevenParamDatum*> (&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)&&
                ossim::almostEqual(theParam4, datum->theParam4)&&
                ossim::almostEqual(theParam5, datum->theParam5)&&
                ossim::almostEqual(theParam6, datum->theParam6)&&
                ossim::almostEqual(theParam7, datum->theParam7)
                );
   }
   
   return result;
}

param1()

virtual ossim_float64 ossimSevenParamDatum::param1 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 78 of file ossimSevenParamDatum.h.

{return theParam1;}

param2()

virtual ossim_float64 ossimSevenParamDatum::param2 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 79 of file ossimSevenParamDatum.h.

{return theParam2;}

param3()

virtual ossim_float64 ossimSevenParamDatum::param3 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 80 of file ossimSevenParamDatum.h.

{return theParam3;}

param4()

virtual ossim_float64 ossimSevenParamDatum::param4 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 81 of file ossimSevenParamDatum.h.

{return theParam4;}

param5()

virtual ossim_float64 ossimSevenParamDatum::param5 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 82 of file ossimSevenParamDatum.h.

{return theParam5;}

param6()

virtual ossim_float64 ossimSevenParamDatum::param6 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 83 of file ossimSevenParamDatum.h.

{return theParam6;}

param7()

virtual ossim_float64 ossimSevenParamDatum::param7 ( ) const

inlinevirtual

Implements ossimDatum.

Definition at line 84 of file ossimSevenParamDatum.h.

{return theParam7;}

shift()

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

virtual

Will shift the ground point relative to this datum.

Implements ossimDatum.

Definition at line 21 of file ossimSevenParamDatum.cpp.

References ossimGpt::datum(), ossimDatum::ellipsoid(), ossimEllipsoid::getA(), ossimEllipsoid::getB(), ossimGpt::height(), ossimGpt::latd(), ossimGpt::lond(), shiftFromWgs84(), and ossimDatum::shiftToWgs84().

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

   if( (ellipsoid()->getA()== aPt.datum()->ellipsoid()->getA())&&
       (ellipsoid()->getB()== aPt.datum()->ellipsoid()->getB()))
   {
      return ossimGpt(aPt.latd(), aPt.lond(), aPt.height(), this);
   }
   
   if(aDatum)
   {
      return shiftFromWgs84( aDatum->shiftToWgs84(aPt) );
   }

   return aPt;
}

shiftFromWgs84()

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

virtual

Implements ossimDatum.

Definition at line 100 of file ossimSevenParamDatum.cpp.

References ossimGpt::datum(), ossimGpt::isHgtNan(), ossimGpt::latd(), ossimGpt::lond(), theParam1, theParam2, theParam3, theParam4, theParam5, theParam6, theParam7, ossimEcefPoint::x(), ossimEcefPoint::y(), and ossimEcefPoint::z().

Referenced by shift().

{      
   ossimEcefPoint p1;
   ossimEcefPoint p2;

   if(aPt.isHgtNan())
   {
      p1 = ossimEcefPoint(ossimGpt(aPt.latd(),
                                   aPt.lond(),
                                   0,
                                   aPt.datum()));
   }
   else
   {
      p1 = ossimEcefPoint(aPt);
   }
//    if(withinMolodenskyRange(aPt.latd()))
//    {
//       ossimWgs84Datum wgs84;
//       double latin, lonin, hgtin;
//       double latout, lonout, hgtout;
      
//       double a = wgs84.ellipsoid()->getA();
//       double f = wgs84.ellipsoid()->getFlattening();
//       double da = ellipsoid()->getA() - a;
//       double df = ellipsoid()->getFlattening() - f;

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

//       if(aPt.isHgtNan())
//       {
//          hgtin = 0.0;
//       }
//       molodenskyShift(a, da, f, 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.x() = p1.x() - theParam1 - theParam6 * p1.y()
               + theParam5 * p1.z() - theParam7 * p1.x();
      p2.y() = p1.y() - theParam2 + theParam6 * p1.x()
               - theParam4 *p1.z() - theParam7 * p1.y();

      p2.z() = p1.z() - theParam3 - theParam5 * p1.x()
               + theParam4 * p1.y() - theParam7 * p1.z();
//   }
   
   return ossimGpt(p2, this);
}

shiftToWgs84()

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

virtual

Implements ossimDatum.

Definition at line 39 of file ossimSevenParamDatum.cpp.

References theParam1, theParam2, theParam3, theParam4, theParam5, theParam6, theParam7, ossimEcefPoint::x(), ossimEcefPoint::y(), and ossimEcefPoint::z().

{
   ossimEcefPoint p1 = aPt;
   ossimEcefPoint p2;

//    if(aPt.isHgtNan())
//    {
//       p1 = ossimEcefPoint(ossimGpt(aPt.latd(),
//                                    aPt.lond(),
//                                    0,
//                                    aPt.datum()));
//    }
   
//    if(withinMolodenskyRange(aPt.latd()))
//    {
//       ossimWgs84Datum wgs84;
//       double latin, lonin, hgtin;
//       double latout, lonout, hgtout;
      
//       double a = wgs84.ellipsoid()->getA();
//       double f = wgs84.ellipsoid()->getFlattening();
//       double da = a - ellipsoid()->getA();
//       double df = f - ellipsoid()->getFlattening();
      
//       latin = aPt.latr();
//       lonin = aPt.lonr();
//       hgtin = aPt.height();

//       if(aPt.isHgtNan())
//       {
//          hgtin = 0.0;
//       }
//       molodenskyShift(a, da, f, df, param1(), param2(), param3(),
//                       latin, lonin, hgtin,
//                       latout, lonout, hgtout);
      
//       ossimGpt g;

//       g.latr(latout);
//       g.lonr(lonout);
//       g.height(hgtout);
//       if(aPt.isHgtNan())
//       {
//          g.height(OSSIM_DBL_NAN);
//       }
//       return g;
//    }
//    else
   {
      //this is straight from Geotrans
      p2.x() = p1.x() + theParam1 + theParam6*p1.y() -
               theParam5*p1.z() + theParam7*p1.x();
      p2.y() = p1.y() + theParam2 - theParam6*p1.x()+
               theParam4*p1.z() + theParam7*p1.y();
      p2.z() = p1.z() + theParam3 + theParam5*p1.x() -
               theParam4*p1.y() + theParam7*p1.z();
   }
   
   return ossimGpt(p2); // defaults to WGS84
}

Member Data Documentation

theParam1

ossim_float64 ossimSevenParamDatum::theParam1

private

Definition at line 88 of file ossimSevenParamDatum.h.

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

theParam2

ossim_float64 ossimSevenParamDatum::theParam2

private

Definition at line 89 of file ossimSevenParamDatum.h.

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

theParam3

ossim_float64 ossimSevenParamDatum::theParam3

private

Definition at line 90 of file ossimSevenParamDatum.h.

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

theParam4

ossim_float64 ossimSevenParamDatum::theParam4

private

Definition at line 91 of file ossimSevenParamDatum.h.

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

theParam5

ossim_float64 ossimSevenParamDatum::theParam5

private

Definition at line 92 of file ossimSevenParamDatum.h.

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

theParam6

ossim_float64 ossimSevenParamDatum::theParam6

private

Definition at line 93 of file ossimSevenParamDatum.h.

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

theParam7

ossim_float64 ossimSevenParamDatum::theParam7

private

Definition at line 94 of file ossimSevenParamDatum.h.

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

TYPE_DATA

ossimSevenParamDatum::TYPE_DATA

private

Definition at line 96 of file ossimSevenParamDatum.h.

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

• ossimSevenParamDatum.h
• ossimSevenParamDatum.cpp