openEMS/Common/processfields.cpp

325 lines
7.4 KiB
C++

/*
* 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 <iomanip>
#include <H5Cpp.h>
#include "tools/global.h"
#include "tools/vtk_file_writer.h"
#include "tools/hdf5_file_writer.h"
#include "processfields.h"
#include "FDTD/engine_interface_fdtd.h"
ProcessFields::ProcessFields(Engine_Interface_Base* eng_if) : Processing(eng_if)
{
m_DumpType = E_FIELD_DUMP;
// vtk-file is default
m_fileType = VTK_FILETYPE;
m_SampleType = NONE;
m_Vtk_Dump_File = NULL;
m_HDF5_Dump_File = NULL;
SetPrecision(6);
m_dualTime = false;
// dump box should be always inside the snapped lines
m_SnapMethod = 1;
for (int n=0; n<3; ++n)
{
numLines[n]=0;
posLines[n]=NULL;
discLines[n]=NULL;
subSample[n]=1;
optResolution[n]=0;
}
}
ProcessFields::~ProcessFields()
{
delete m_Vtk_Dump_File;
m_Vtk_Dump_File = NULL;
for (int n=0; n<3; ++n)
{
delete[] posLines[n];
posLines[n]=NULL;
delete[] discLines[n];
discLines[n]=NULL;
}
}
string ProcessFields::GetFieldNameByType(DumpType type)
{
switch (type)
{
case E_FIELD_DUMP:
return "E-Field";
case H_FIELD_DUMP:
return "H-Field";
case J_FIELD_DUMP:
return "J-Field";
case ROTH_FIELD_DUMP:
return "RotH-Field";
case SAR_LOCAL_DUMP:
return "SAR-local";
}
return "unknown field";
}
void ProcessFields::InitProcess()
{
if (Enabled==false) return;
CalcMeshPos();
if (m_fileType==VTK_FILETYPE)
{
delete m_Vtk_Dump_File;
m_Vtk_Dump_File = new VTK_File_Writer(m_filename,(int)m_Mesh_Type);
#ifdef OUTPUT_IN_DRAWINGUNITS
double discScaling = 1;
#else
double discScaling = Op->GetGridDelta();
#endif
m_Vtk_Dump_File->SetMeshLines(discLines,numLines,discScaling);
m_Vtk_Dump_File->SetNativeDump(g_settings.NativeFieldDumps());
}
if (m_fileType==HDF5_FILETYPE)
{
delete m_HDF5_Dump_File;
m_HDF5_Dump_File = new HDF5_File_Writer(m_filename+".h5");
#ifdef OUTPUT_IN_DRAWINGUNITS
double discScaling = 1;
#else
double discScaling = Op->GetGridDelta();
#endif
m_HDF5_Dump_File->WriteRectMesh(numLines,discLines,(int)m_Mesh_Type,discScaling);
m_HDF5_Dump_File->WriteAtrribute("/","openEMS_HDF5_version",0.2);
}
}
void ProcessFields::SetDumpMode(Engine_Interface_Base::InterpolationType mode)
{
m_Eng_Interface->SetInterpolationType(mode);
if (mode==Engine_Interface_Base::CELL_INTERPOLATE)
m_dualMesh=true;
else if (mode==Engine_Interface_Base::NODE_INTERPOLATE)
m_dualMesh=false;
//else keep the preset/user defined case
}
void ProcessFields::DefineStartStopCoord(double* dstart, double* dstop)
{
Processing::DefineStartStopCoord(dstart,dstop);
// normalize order of start and stop
for (int n=0; n<3; ++n)
{
if (start[n]>stop[n])
{
unsigned int help = start[n];
start[n]=stop[n];
stop[n]=help;
}
}
}
double ProcessFields::CalcTotalEnergyEstimate() const
{
return m_Eng_Interface->CalcFastEnergy();
}
void ProcessFields::SetSubSampling(unsigned int subSampleRate, int dir)
{
if (dir>2) return;
if (dir<0)
{
subSample[0]=subSampleRate;
subSample[1]=subSampleRate;
subSample[2]=subSampleRate;
}
else subSample[dir]=subSampleRate;
m_SampleType = SUBSAMPLE;
}
void ProcessFields::SetOptResolution(double optRes, int dir)
{
if (dir>2) return;
if (dir<0)
{
optResolution[0]=optRes;
optResolution[1]=optRes;
optResolution[2]=optRes;
}
else optResolution[dir]=optRes;
m_SampleType = OPT_RESOLUTION;
}
void ProcessFields::CalcMeshPos()
{
if ((m_SampleType==SUBSAMPLE) || (m_SampleType==NONE))
{
vector<unsigned int> tmp_pos;
for (int n=0; n<3; ++n)
{
// construct new discLines
tmp_pos.clear();
for (unsigned int i=start[n]; i<=stop[n]; i+=subSample[n])
tmp_pos.push_back(i);
numLines[n] = tmp_pos.size();
delete[] discLines[n];
discLines[n] = new double[numLines[n]];
delete[] posLines[n];
posLines[n] = new unsigned int[numLines[n]];
for (unsigned int i=0; i<numLines[n]; ++i)
{
posLines[n][i] = tmp_pos.at(i);
discLines[n][i] = Op->GetDiscLine(n,tmp_pos.at(i),m_dualMesh);
}
}
}
if ((m_SampleType==OPT_RESOLUTION))
{
vector<unsigned int> tmp_pos;
double oldPos=0;
for (int n=0; n<3; ++n)
{
// construct new discLines
tmp_pos.clear();
tmp_pos.push_back(start[n]);
oldPos=Op->GetDiscLine(n,start[n],m_dualMesh);
if (stop[n]==0)
tmp_pos.push_back(stop[n]);
else
for (unsigned int i=start[n]+1; i<=stop[n]-1; ++i)
{
if ( (Op->GetDiscLine(n,i+1,m_dualMesh)-oldPos) >= optResolution[n])
{
tmp_pos.push_back(i);
oldPos=Op->GetDiscLine(n,i,m_dualMesh);
}
}
if (start[n]!=stop[n])
tmp_pos.push_back(stop[n]);
numLines[n] = tmp_pos.size();
delete[] discLines[n];
discLines[n] = new double[numLines[n]];
delete[] posLines[n];
posLines[n] = new unsigned int[numLines[n]];
for (unsigned int i=0; i<numLines[n]; ++i)
{
posLines[n][i] = tmp_pos.at(i);
discLines[n][i] = Op->GetDiscLine(n,tmp_pos.at(i),m_dualMesh);
}
}
}
}
FDTD_FLOAT**** ProcessFields::CalcField()
{
unsigned int pos[3];
double out[3];
//create array
FDTD_FLOAT**** field = Create_N_3DArray<FDTD_FLOAT>(numLines);
switch (m_DumpType)
{
case E_FIELD_DUMP:
for (unsigned int i=0; i<numLines[0]; ++i)
{
pos[0]=posLines[0][i];
for (unsigned int j=0; j<numLines[1]; ++j)
{
pos[1]=posLines[1][j];
for (unsigned int k=0; k<numLines[2]; ++k)
{
pos[2]=posLines[2][k];
m_Eng_Interface->GetEField(pos,out);
field[0][i][j][k] = out[0];
field[1][i][j][k] = out[1];
field[2][i][j][k] = out[2];
}
}
}
return field;
case H_FIELD_DUMP:
for (unsigned int i=0; i<numLines[0]; ++i)
{
pos[0]=posLines[0][i];
for (unsigned int j=0; j<numLines[1]; ++j)
{
pos[1]=posLines[1][j];
for (unsigned int k=0; k<numLines[2]; ++k)
{
pos[2]=posLines[2][k];
m_Eng_Interface->GetHField(pos,out);
field[0][i][j][k] = out[0];
field[1][i][j][k] = out[1];
field[2][i][j][k] = out[2];
}
}
}
return field;
case J_FIELD_DUMP:
for (unsigned int i=0; i<numLines[0]; ++i)
{
pos[0]=posLines[0][i];
for (unsigned int j=0; j<numLines[1]; ++j)
{
pos[1]=posLines[1][j];
for (unsigned int k=0; k<numLines[2]; ++k)
{
pos[2]=posLines[2][k];
m_Eng_Interface->GetJField(pos,out);
field[0][i][j][k] = out[0];
field[1][i][j][k] = out[1];
field[2][i][j][k] = out[2];
}
}
}
return field;
case ROTH_FIELD_DUMP:
for (unsigned int i=0; i<numLines[0]; ++i)
{
pos[0]=posLines[0][i];
for (unsigned int j=0; j<numLines[1]; ++j)
{
pos[1]=posLines[1][j];
for (unsigned int k=0; k<numLines[2]; ++k)
{
pos[2]=posLines[2][k];
m_Eng_Interface->GetRotHField(pos,out);
field[0][i][j][k] = out[0];
field[1][i][j][k] = out[1];
field[2][i][j][k] = out[2];
}
}
}
return field;
default:
cerr << "ProcessFields::CalcField(): Error, unknown dump type..." << endl;
return field;
}
}