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/**
* \file NETGeographicLib/NormalGravity.cpp
* \brief Implementation for NETGeographicLib::NormalGravity class
*
* NETGeographicLib is copyright (c) Scott Heiman (2013)
* GeographicLib is Copyright (c) Charles Karney (2010-2012)
* <charles@karney.com> and licensed under the MIT/X11 License.
* For more information, see
* http://geographiclib.sourceforge.net/
**********************************************************************/
#include "stdafx.h"
#include "GeographicLib/NormalGravity.hpp"
#include "NormalGravity.h"
#include "Geocentric.h"
#include "NETGeographicLib.h"
using namespace NETGeographicLib;
const char BADALLOC[] = "Failed to allocate memory for a GeographicLib::NormalGravity";
//*****************************************************************************
NormalGravity::!NormalGravity(void)
{
if ( m_pNormalGravity != NULL )
{
delete m_pNormalGravity;
m_pNormalGravity = NULL;
}
}
//*****************************************************************************
NormalGravity::NormalGravity(double a, double GM, double omega, double f, double J2)
{
try
{
m_pNormalGravity = new GeographicLib::NormalGravity( a, GM, omega, f, J2 );
}
catch ( std::bad_alloc )
{
throw gcnew GeographicErr( BADALLOC );
}
catch ( const std::exception& err )
{
throw gcnew GeographicErr( err.what() );
}
}
//*****************************************************************************
NormalGravity::NormalGravity(StandardModels model)
{
try
{
m_pNormalGravity = model == StandardModels::WGS84 ?
new GeographicLib::NormalGravity( GeographicLib::NormalGravity::WGS84() ) :
new GeographicLib::NormalGravity( GeographicLib::NormalGravity::GRS80() );
}
catch ( std::bad_alloc )
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
NormalGravity::NormalGravity( const GeographicLib::NormalGravity& g)
{
try
{
m_pNormalGravity = new GeographicLib::NormalGravity( g );
}
catch ( std::bad_alloc )
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
double NormalGravity::SurfaceGravity(double lat)
{
return m_pNormalGravity->SurfaceGravity( lat );
}
//*****************************************************************************
double NormalGravity::Gravity(double lat, double h,
[System::Runtime::InteropServices::Out] double% gammay,
[System::Runtime::InteropServices::Out] double% gammaz)
{
double ly, lz;
double out = m_pNormalGravity->Gravity( lat, h, ly, lz );
gammay = ly;
gammaz = lz;
return out;
}
//*****************************************************************************
double NormalGravity::U(double X, double Y, double Z,
[System::Runtime::InteropServices::Out] double% gammaX,
[System::Runtime::InteropServices::Out] double% gammaY,
[System::Runtime::InteropServices::Out] double% gammaZ)
{
double lx, ly, lz;
double out = m_pNormalGravity->U( X, Y, Z, lx, ly, lz );
gammaX = lx;
gammaY = ly;
gammaZ = lz;
return out;
}
//*****************************************************************************
double NormalGravity::V0(double X, double Y, double Z,
[System::Runtime::InteropServices::Out] double% GammaX,
[System::Runtime::InteropServices::Out] double% GammaY,
[System::Runtime::InteropServices::Out] double% GammaZ)
{
double lx, ly, lz;
double out = m_pNormalGravity->V0( X, Y, Z, lx, ly, lz );
GammaX = lx;
GammaY = ly;
GammaZ = lz;
return out;
}
//*****************************************************************************
double NormalGravity::Phi(double X, double Y,
[System::Runtime::InteropServices::Out] double% fX,
[System::Runtime::InteropServices::Out] double% fY)
{
double lx, ly;
double out = m_pNormalGravity->Phi( X, Y, lx, ly );
fX = lx;
fY = ly;
return out;
}
//*****************************************************************************
Geocentric^ NormalGravity::Earth()
{
return gcnew Geocentric( m_pNormalGravity->Earth() );
}
//*****************************************************************************
double NormalGravity::MajorRadius::get()
{ return m_pNormalGravity->MajorRadius(); }
//*****************************************************************************
double NormalGravity::MassConstant::get()
{ return m_pNormalGravity->MassConstant(); }
//*****************************************************************************
double NormalGravity::DynamicalFormFactor(int n)
{ return m_pNormalGravity->DynamicalFormFactor(n); }
//*****************************************************************************
double NormalGravity::AngularVelocity::get()
{ return m_pNormalGravity->AngularVelocity(); }
//*****************************************************************************
double NormalGravity::Flattening::get()
{ return m_pNormalGravity->Flattening(); }
//*****************************************************************************
double NormalGravity::EquatorialGravity::get()
{ return m_pNormalGravity->EquatorialGravity(); }
//*****************************************************************************
double NormalGravity::PolarGravity::get()
{ return m_pNormalGravity->PolarGravity(); }
//*****************************************************************************
double NormalGravity::GravityFlattening::get()
{ return m_pNormalGravity->GravityFlattening(); }
//*****************************************************************************
double NormalGravity::SurfacePotential::get()
{ return m_pNormalGravity->SurfacePotential(); }
//*****************************************************************************
NormalGravity^ NormalGravity::WGS84()
{
return gcnew NormalGravity( StandardModels::WGS84 );
}
//*****************************************************************************
NormalGravity^ NormalGravity::GRS80()
{
return gcnew NormalGravity( StandardModels::GRS80 );
}
//*****************************************************************************
double NormalGravity::J2ToFlattening(double a, double GM, double omega,
double J2)
{
return GeographicLib::NormalGravity::J2ToFlattening( a, GM, omega, J2);
}
//*****************************************************************************
double NormalGravity::FlatteningToJ2(double a, double GM, double omega,
double f)
{
return GeographicLib::NormalGravity::FlatteningToJ2( a, GM, omega, f);
}
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