224 lines
7.2 KiB
C++
224 lines
7.2 KiB
C++
/*
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* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "processfields_fd.h"
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#include "Common/operator_base.h"
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#include "tools/vtk_file_writer.h"
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#include "tools/hdf5_file_writer.h"
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#include <iomanip>
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#include <sstream>
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#include <string>
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ProcessFieldsFD::ProcessFieldsFD(Engine_Interface_Base* eng_if) : ProcessFields(eng_if)
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{
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}
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ProcessFieldsFD::~ProcessFieldsFD()
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{
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for (size_t n = 0; n<m_FD_Fields.size(); ++n)
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{
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Delete_N_3DArray(m_FD_Fields.at(n),numLines);
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}
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m_FD_Fields.clear();
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}
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void ProcessFieldsFD::InitProcess()
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{
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if (Enabled==false) return;
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if (m_FD_Samples.size()==0)
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{
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cerr << "ProcessFieldsFD::InitProcess: No frequencies found... skipping this dump!" << endl;
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Enabled=false;
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return;
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}
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//setup the hdf5 file
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ProcessFields::InitProcess();
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if (m_Vtk_Dump_File)
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m_Vtk_Dump_File->SetHeader(string("openEMS FD Field Dump -- Interpolation: ")+m_Eng_Interface->GetInterpolationTypeString());
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if (m_HDF5_Dump_File)
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{
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m_HDF5_Dump_File->SetCurrentGroup("/FieldData/FD");
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m_HDF5_Dump_File->WriteAtrribute("/FieldData/FD","frequency",m_FD_Samples);
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}
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//create data structures...
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for (size_t n = 0; n<m_FD_Samples.size(); ++n)
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{
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std::complex<float>**** field_fd = Create_N_3DArray<std::complex<float> >(numLines);
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m_FD_Fields.push_back(field_fd);
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}
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}
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int ProcessFieldsFD::Process()
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{
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if (Enabled==false) return -1;
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if (CheckTimestep()==false) return GetNextInterval();
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if ((m_FD_Interval==0) || (m_Eng_Interface->GetNumberOfTimesteps()%m_FD_Interval!=0))
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return GetNextInterval();
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FDTD_FLOAT**** field_td = CalcField();
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std::complex<float>**** field_fd = NULL;
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double T = m_Eng_Interface->GetTime(m_dualTime);
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unsigned int pos[3];
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for (size_t n = 0; n<m_FD_Samples.size(); ++n)
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{
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std::complex<float> exp_jwt_2_dt = std::exp( (std::complex<float>)(-2.0 * _I * M_PI * m_FD_Samples.at(n) * T) );
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exp_jwt_2_dt *= 2; // *2 for single-sided spectrum
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exp_jwt_2_dt *= Op->GetTimestep() * m_FD_Interval; // multiply with timestep-interval
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field_fd = m_FD_Fields.at(n);
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for (pos[0]=0; pos[0]<numLines[0]; ++pos[0])
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{
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for (pos[1]=0; pos[1]<numLines[1]; ++pos[1])
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{
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for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
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{
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field_fd[0][pos[0]][pos[1]][pos[2]] += field_td[0][pos[0]][pos[1]][pos[2]] * exp_jwt_2_dt;
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field_fd[1][pos[0]][pos[1]][pos[2]] += field_td[1][pos[0]][pos[1]][pos[2]] * exp_jwt_2_dt;
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field_fd[2][pos[0]][pos[1]][pos[2]] += field_td[2][pos[0]][pos[1]][pos[2]] * exp_jwt_2_dt;
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}
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}
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}
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}
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Delete_N_3DArray<FDTD_FLOAT>(field_td,numLines);
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++m_FD_SampleCount;
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return GetNextInterval();
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}
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void ProcessFieldsFD::PostProcess()
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{
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DumpFDData();
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}
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void ProcessFieldsFD::DumpFDData()
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{
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if (m_fileType==VTK_FILETYPE)
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{
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unsigned int pos[3];
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FDTD_FLOAT**** field = Create_N_3DArray<float>(numLines);
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std::complex<float>**** field_fd = NULL;
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double angle=0;
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int Nr_Ph = 21;
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for (size_t n = 0; n<m_FD_Samples.size(); ++n)
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{
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//dump multiple phase to vtk-files
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for (int p=0; p<Nr_Ph; ++p)
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{
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angle = 2.0 * M_PI * p / Nr_Ph;
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std::complex<float> exp_jwt = std::exp( (std::complex<float>)( _I * angle) );
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field_fd = m_FD_Fields.at(n);
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for (pos[0]=0; pos[0]<numLines[0]; ++pos[0])
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{
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for (pos[1]=0; pos[1]<numLines[1]; ++pos[1])
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{
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for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
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{
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field[0][pos[0]][pos[1]][pos[2]] = real(field_fd[0][pos[0]][pos[1]][pos[2]] * exp_jwt);
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field[1][pos[0]][pos[1]][pos[2]] = real(field_fd[1][pos[0]][pos[1]][pos[2]] * exp_jwt);
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field[2][pos[0]][pos[1]][pos[2]] = real(field_fd[2][pos[0]][pos[1]][pos[2]] * exp_jwt);
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}
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}
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}
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stringstream ss;
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ss << m_filename << fixed << "_f=" << m_FD_Samples.at(n) << "_p=" << std::setw( 3 ) << std::setfill( '0' ) <<(int)(angle * 180 / M_PI);
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m_Vtk_Dump_File->SetFilename(ss.str());
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m_Vtk_Dump_File->ClearAllFields();
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m_Vtk_Dump_File->AddVectorField(GetFieldNameByType(m_DumpType),field);
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if (m_Vtk_Dump_File->Write()==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file... abort! " << endl;
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}
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{
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//dump magnitude to vtk-files
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for (pos[0]=0; pos[0]<numLines[0]; ++pos[0])
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{
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for (pos[1]=0; pos[1]<numLines[1]; ++pos[1])
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{
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for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
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{
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field[0][pos[0]][pos[1]][pos[2]] = abs(field_fd[0][pos[0]][pos[1]][pos[2]]);
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field[1][pos[0]][pos[1]][pos[2]] = abs(field_fd[1][pos[0]][pos[1]][pos[2]]);
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field[2][pos[0]][pos[1]][pos[2]] = abs(field_fd[2][pos[0]][pos[1]][pos[2]]);
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}
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}
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}
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stringstream ss;
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ss << m_filename << fixed << "_f=" << m_FD_Samples.at(n) << "_abs";
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m_Vtk_Dump_File->SetFilename(ss.str());
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m_Vtk_Dump_File->ClearAllFields();
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m_Vtk_Dump_File->AddVectorField(GetFieldNameByType(m_DumpType),field);
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if (m_Vtk_Dump_File->Write()==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file... abort! " << endl;
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}
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{
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//dump phase to vtk-files
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for (pos[0]=0; pos[0]<numLines[0]; ++pos[0])
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{
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for (pos[1]=0; pos[1]<numLines[1]; ++pos[1])
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{
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for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
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{
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field[0][pos[0]][pos[1]][pos[2]] = arg(field_fd[0][pos[0]][pos[1]][pos[2]]);
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field[1][pos[0]][pos[1]][pos[2]] = arg(field_fd[1][pos[0]][pos[1]][pos[2]]);
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field[2][pos[0]][pos[1]][pos[2]] = arg(field_fd[2][pos[0]][pos[1]][pos[2]]);
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}
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}
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}
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stringstream ss;
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ss << m_filename << fixed << "_f=" << m_FD_Samples.at(n) << "_arg";
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m_Vtk_Dump_File->SetFilename(ss.str());
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m_Vtk_Dump_File->ClearAllFields();
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m_Vtk_Dump_File->AddVectorField(GetFieldNameByType(m_DumpType),field);
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if (m_Vtk_Dump_File->Write()==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file... abort! " << endl;
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}
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}
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Delete_N_3DArray(field,numLines);
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return;
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}
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if (m_fileType==HDF5_FILETYPE)
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{
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for (size_t n = 0; n<m_FD_Samples.size(); ++n)
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{
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stringstream ss;
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ss << "f" << n;
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size_t datasize[]={numLines[0],numLines[1],numLines[2]};
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if (m_HDF5_Dump_File->WriteVectorField(ss.str(), m_FD_Fields.at(n), datasize)==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file...! " << endl;
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//legacy support, use /FieldData/FD frequency-Attribute in the future
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float freq[1]={m_FD_Samples.at(n)};
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if (m_HDF5_Dump_File->WriteAtrribute("/FieldData/FD/"+ss.str()+"_real","frequency",freq,1)==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file...! " << endl;
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if (m_HDF5_Dump_File->WriteAtrribute("/FieldData/FD/"+ss.str()+"_imag","frequency",freq,1)==false)
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cerr << "ProcessFieldsFD::Process: can't dump to file...! " << endl;
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}
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return;
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}
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cerr << "ProcessFieldsFD::Process: unknown File-Type" << endl;
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}
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