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/*
* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tools/global.h"
#include "processcurrent.h"
#include "FDTD/engine_interface_fdtd.h"
#include <iomanip>
ProcessCurrent::ProcessCurrent(Engine_Interface_Base* eng_if) : ProcessIntegral(eng_if)
{
m_SnapMethod=1;
}
ProcessCurrent::~ProcessCurrent()
{
}
string ProcessCurrent::GetIntegralName(int row) const
{
if (row==0)
return "current";
return "unknown";
}
void ProcessCurrent::DefineStartStopCoord(double* dstart, double* dstop)
{
ProcessIntegral::DefineStartStopCoord(dstart, dstop);
if ((m_normDir<0) || (m_normDir>2))
{
if (m_Dimension!=2)
{
cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" is not a surface (found dimension: " << m_Dimension << ") nor has it set a valid normal direction! --> disabled" << endl;
SetEnable(false);
return;
}
for (int n=0; n<3; ++n)
{
if (stop[n] == start[n])
m_normDir = n;
}
}
else
{
//expand dimension to 2 if possible
m_Dimension = 0;
for (int n=0; n<3; ++n)
{
if (n==m_normDir)
continue;
if (dstart[n]==dstop[n])
{
if ((Op->GetDiscLine( n, start[n], true ) > dstart[n]) && (start[n]>0))
--start[n];
if ((Op->GetDiscLine( n, start[n], true ) < dstart[n]) && (stop[n]<Op->GetNumberOfLines(n)-1))
++stop[n];
}
if (stop[n] > start[n])
++m_Dimension;
}
}
if (start[m_normDir]!=stop[m_normDir])
{
cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" has an expansion in normal direction! --> disabled" << endl;
SetEnable(false);
return;
}
if ((m_normDir<0) || (m_normDir>2))
{
cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" has an invalid normal direction --> disabled" << endl;
SetEnable(false);
return;
}
}
double ProcessCurrent::CalcIntegral()
{
FDTD_FLOAT current=0;
Engine_Interface_FDTD* EI_FDTD = dynamic_cast<Engine_Interface_FDTD*>(m_Eng_Interface);
if (EI_FDTD)
{
const Engine* Eng = EI_FDTD->GetFDTDEngine();
switch (m_normDir)
{
case 0:
//y-current
if (m_stop_inside[0] && m_start_inside[2])
for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
current+=Eng->GetCurr(1,stop[0],i,start[2]);
//z-current
if (m_stop_inside[0] && m_stop_inside[1])
for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
current+=Eng->GetCurr(2,stop[0],stop[1],i);
//y-current
if (m_start_inside[0] && m_stop_inside[2])
for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
current-=Eng->GetCurr(1,start[0],i,stop[2]);
//z-current
if (m_start_inside[0] && m_start_inside[1])
for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
current-=Eng->GetCurr(2,start[0],start[1],i);
break;
case 1:
//z-current
if (m_start_inside[0] && m_start_inside[1])
for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
current+=Eng->GetCurr(2,start[0],start[1],i);
//x-current
if (m_stop_inside[1] && m_stop_inside[2])
for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
current+=Eng->GetCurr(0,i,stop[1],stop[2]);
//z-current
if (m_stop_inside[0] && m_stop_inside[1])
for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
current-=Eng->GetCurr(2,stop[0],stop[1],i);
//x-current
if (m_start_inside[1] && m_start_inside[2])
for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
current-=Eng->GetCurr(0,i,start[1],start[2]);
break;
case 2:
//x-current
if (m_start_inside[1] && m_start_inside[2])
for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
current+=Eng->GetCurr(0,i,start[1],start[2]);
//y-current
if (m_stop_inside[0] && m_start_inside[2])
for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
current+=Eng->GetCurr(1,stop[0],i,start[2]);
//x-current
if (m_stop_inside[1] && m_stop_inside[2])
for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
current-=Eng->GetCurr(0,i,stop[1],stop[2]);
//y-current
if (m_start_inside[0] && m_stop_inside[2])
for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
current-=Eng->GetCurr(1,start[0],i,stop[2]);
break;
default:
//this cannot happen...
return 0.0;
break;
}
}
return current;
}
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