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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2007-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.opensource.org/licenses/osl-3.0.php //
// //
/////////////////////////////////////////////////////////////
#include "EllipsoidVol.h"
//---
#include <cmath>
#include <cstdlib>
using std::cos;
using std::sin;
// --- STL includes ---
#include <utility>
using std::make_pair;
EllipsoidVol::EllipsoidVol()
{}
EllipsoidVol::EllipsoidVol(const Vector3& c, double lx, double ly, double lz)
{
m_posn=c;
m_lx=lx;
m_ly=ly;
m_lz=lz;
}
pair<Vector3,Vector3> EllipsoidVol::getBoundingBox()
{
Vector3 r=Vector3(0.5*m_lx,0.5*m_ly,0.5*m_lz);
return make_pair(m_posn-r,m_posn+r);
}
Vector3 EllipsoidVol::getAPoint(int) const
{
/*
double r=m_sph.Radius()*((double)(rand())/(double)(RAND_MAX));
double phi=M_PI*((double)(rand())/(double)(RAND_MAX));
double rho=2*M_PI*((double)(rand())/(double)(RAND_MAX));
*/
double rx = m_lx*((double)(rand())/(double)(RAND_MAX) - 0.5);
double ry = m_ly*((double)(rand())/(double)(RAND_MAX) - 0.5);
double rz = m_lz*((double)(rand())/(double)(RAND_MAX) - 0.5);
return m_posn + Vector3(rx,ry,rz);
}
const map<double,const AGeometricObject*> EllipsoidVol::getClosestObjects(const Vector3& P,int) const
{
map<double,const AGeometricObject*> res;
// res.insert(make_pair(m_sph.getDist(P),&m_sph));
return res;
}
bool EllipsoidVol::isIn(const Vector3& P) const
{
Vector3 dR = P - m_posn;
double rx = dR.x();
double ry = dR.y();
double rz = dR.z();
double delta = rx*rx/(m_lx*m_lx) + ry*ry/(m_ly*m_ly) + rz*rz/(m_lz*m_lz) ;
return (delta < 1.0);
}
/*!
\warning WRONG
*/
bool EllipsoidVol::isIn(const Sphere& S)
{
// return (m_sph.getDist(S.Center())>S.Radius());
return (isIn(S.Center()));
}
/*
Check if sphere is fully outside the volume.
\param S the sphere
\warning DUMMY IMPLEMENTATION
*/
bool EllipsoidVol::isFullyOutside(const Sphere&)
{
return true;
}
ostream& operator << (ostream& ost,const EllipsoidVol& T)
{
return ost;
}
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