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/**
* \file NETGeographicLib/PolygonArea.cpp
* \brief Implementation for NETGeographicLib::PolygonArea 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/PolygonArea.hpp"
#include "PolygonArea.h"
#include "Geodesic.h"
#include "GeodesicExact.h"
#include "NETGeographicLib.h"
using namespace NETGeographicLib;
const char BADALLOC[] = "Failed to allocate memory for a GeographicLib::PolygonArea";
//*****************************************************************************
PolygonArea::!PolygonArea(void)
{
if ( m_pPolygonArea != NULL )
{
delete m_pPolygonArea;
m_pPolygonArea = NULL;
}
}
//*****************************************************************************
PolygonArea::PolygonArea(Geodesic^ earth, bool polyline )
{
try
{
const GeographicLib::Geodesic* pGeodesic =
reinterpret_cast<const GeographicLib::Geodesic*>(
earth->GetUnmanaged()->ToPointer() );
m_pPolygonArea = new GeographicLib::PolygonArea( *pGeodesic, polyline );
}
catch (std::bad_alloc)
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
PolygonArea::PolygonArea(const bool polyline )
{
try
{
m_pPolygonArea = new GeographicLib::PolygonArea(
GeographicLib::Geodesic::WGS84(), polyline );
}
catch (std::bad_alloc)
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
void PolygonArea::Clear() { m_pPolygonArea->Clear(); }
//*****************************************************************************
void PolygonArea::AddPoint(double lat, double lon)
{
m_pPolygonArea->AddPoint( lat, lon );
}
//*****************************************************************************
void PolygonArea::AddEdge(double azi, double s)
{
m_pPolygonArea->AddEdge( azi, s );
}
//*****************************************************************************
unsigned PolygonArea::Compute(bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->Compute( reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
unsigned PolygonArea::TestPoint(double lat, double lon, bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->TestPoint( lat, lon, reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
unsigned PolygonArea::TestEdge(double azi, double s, bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->TestEdge( azi, s, reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
void PolygonArea::CurrentPoint(
[System::Runtime::InteropServices::Out] double% lat,
[System::Runtime::InteropServices::Out] double% lon)
{
double llat, llon;
m_pPolygonArea->CurrentPoint( llat, llon );
lat = llat;
lon = llon;
}
//*****************************************************************************
double PolygonArea::MajorRadius::get()
{ return m_pPolygonArea->MajorRadius(); }
//*****************************************************************************
double PolygonArea::Flattening::get() { return m_pPolygonArea->Flattening(); }
//*****************************************************************************
// PolygonAreaExact
//*****************************************************************************
PolygonAreaExact::!PolygonAreaExact(void)
{
if ( m_pPolygonArea != NULL )
{
delete m_pPolygonArea;
m_pPolygonArea = NULL;
}
}
//*****************************************************************************
PolygonAreaExact::PolygonAreaExact(GeodesicExact^ earth, bool polyline )
{
try
{
const GeographicLib::GeodesicExact* pGeodesic =
reinterpret_cast<const GeographicLib::GeodesicExact*>(
earth->GetUnmanaged()->ToPointer() );
m_pPolygonArea = new GeographicLib::PolygonAreaExact( *pGeodesic, polyline );
}
catch (std::bad_alloc)
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
PolygonAreaExact::PolygonAreaExact(const bool polyline )
{
try
{
m_pPolygonArea = new GeographicLib::PolygonAreaExact(
GeographicLib::GeodesicExact::WGS84(), polyline );
}
catch (std::bad_alloc)
{
throw gcnew GeographicErr( BADALLOC );
}
}
//*****************************************************************************
void PolygonAreaExact::Clear() { m_pPolygonArea->Clear(); }
//*****************************************************************************
void PolygonAreaExact::AddPoint(double lat, double lon)
{
m_pPolygonArea->AddPoint( lat, lon );
}
//*****************************************************************************
void PolygonAreaExact::AddEdge(double azi, double s)
{
m_pPolygonArea->AddEdge( azi, s );
}
//*****************************************************************************
unsigned PolygonAreaExact::Compute(bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->Compute( reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
unsigned PolygonAreaExact::TestPoint(double lat, double lon, bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->TestPoint( lat, lon, reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
unsigned PolygonAreaExact::TestEdge(double azi, double s, bool reverse, bool sign,
[System::Runtime::InteropServices::Out] double% perimeter,
[System::Runtime::InteropServices::Out] double% area)
{
double lperimeter, larea;
unsigned out = m_pPolygonArea->TestEdge( azi, s, reverse, sign, lperimeter, larea );
perimeter = lperimeter;
area = larea;
return out;
}
//*****************************************************************************
void PolygonAreaExact::CurrentPoint(
[System::Runtime::InteropServices::Out] double% lat,
[System::Runtime::InteropServices::Out] double% lon)
{
double llat, llon;
m_pPolygonArea->CurrentPoint( llat, llon );
lat = llat;
lon = llon;
}
//*****************************************************************************
double PolygonAreaExact::MajorRadius::get()
{ return m_pPolygonArea->MajorRadius(); }
//*****************************************************************************
double PolygonAreaExact::Flattening::get()
{ return m_pPolygonArea->Flattening(); }
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