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+// ===========================================================================
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+//
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+// Filename: hantenna.cpp
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+//
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+// Created: 10/07/2010 08:57:04 AM
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+// Modified: 11 April 2018
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+// Compiler: Tested with g++, icpc, and MSVC 2017
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+//
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+// Author: Trevor Irons (ti)
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+//
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+// Copyright (C) 2012,2018 Trevor Irons
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+//
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+// Organisation: Lemma Software
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+//
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+// Email: Trevor.Irons@lemmasoftware.org
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+//
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+// ===========================================================================
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+
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+/**
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+ @file
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+ @author Trevor Irons
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+ @date 10/07/2010
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+ $Id$
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+ **/
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+
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+#include "LemmaCore"
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+#include "FDEM1D"
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+#include "timer.h"
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+
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+using namespace Lemma;
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+
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+std::vector<Real> readinpfile(const std::string& fname);
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+
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+std::vector<std::string> readinpfile2(const std::string& fname);
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+
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+int main(int argc, char** argv) {
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+
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+ std::cout <<
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+ "\n"
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+ << "Hantenna \n\n
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+ << "Hantenna is a programme for computing the H field from polygonal wire\n"
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+ << "loop sources \n\n"
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+ << "Hantenna was built using Lemma (Lemma is an Electromagnetics Modelling API)\n"
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+ << "Lemma is Free and Open Source Software (FOSS) and is released under\n"
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+ << "the MPL, it is covered by the following copyrights:\n"
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+ << "Copyright (C) 2009, 2010, 2011, 2012, 218 Trevor P. Irons\n"
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+ << "Copyright (C) 2011, 2012 M. Andy Kass\n\n"
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+ << "More information may be found at: https://lemmasoftware.org\n"
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+ << " info@lemmasoftware.org\n\n"
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+ << "=====================================================================\n"
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+ << "This programme is part of Lemma, a geophysical modelling and inversion API \n"
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+ << "This Source Code Form is subject to the terms of the Mozilla Public\n"
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+ << "License, v. 2.0. If a copy of the MPL was not distributed with this\n"
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+ << "file, You can obtain one at http://mozilla.org/MPL/2.0/. \n"
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+ << "=====================================================================\n\n\n";
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+
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+ if (argc < 5) {
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+ std::cout << "usage: hantenna.exe trans.inp cond.inp points.inp config.inp \n";
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+ exit(0);
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+ }
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+
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+ #ifdef LEMMAUSEOMP
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+ std::cout << "OpenMP is using " << omp_get_max_threads() << " threads" << std::endl;
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+ #endif
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+
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+ std::vector<Real> Trans = readinpfile(std::string(argv[1]));
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+ std::vector<Real> CondMod = readinpfile(std::string(argv[2]));
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+ std::vector<Real> Points = readinpfile(std::string(argv[3]));
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+ std::vector<std::string> config = readinpfile2(std::string(argv[4]));
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+
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+ //////////////////////////////////////
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+ // Define transmitter
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+ auto trans = PolygonalWireAntenna::NewSP();
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+ trans->SetNumberOfPoints((int)(Trans[0]));
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+ int ip=1;
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+ for ( ; ip<=(int)(Trans[0])*2; ip+=2) {
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+ trans->SetPoint(ip/2, Vector3r (Trans[ip], Trans[ip+1], -1e-3));
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+ }
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+ trans->SetNumberOfFrequencies(1);
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+ trans->SetFrequency(0, Trans[ip]);
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+ trans->SetCurrent(Trans[ip+1]);
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+ trans->SetMinDipoleRatio(atof(config[1].c_str()));
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+ trans->SetMinDipoleMoment(atof(config[2].c_str()));
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+ trans->SetMaxDipoleMoment(atof(config[3].c_str()));
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+
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+ /////////////////////////////////////
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+ // Field calculations
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+ auto receivers = FieldPoints::NewSP();
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+ int nx = (int)Points[0];
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+ int ny = (int)Points[1];
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+ int nz = (int)Points[2];
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+ Real ox = Points[3];
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+ Real oy = Points[4];
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+ Real oz = Points[5];
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+ Vector3r loc;
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+ VectorXr dx(nx-1);
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+ VectorXr dy(ny-1);
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+ VectorXr dz(nz-1);
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+ ip = 6;
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+ int ir = 0;
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+ for ( ; ip <6+nx-1; ++ip) {
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+ dx[ir] = Points[ip];
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+ ++ir;
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+ }
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+ ir = 0;
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+ for ( ; ip <6+ny-1+nx-1; ++ip) {
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+ dy[ir] = Points[ip];
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+ ++ir;
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+ }
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+ ir = 0;
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+ for ( ; ip <6+nz-1+ny-1+nx-1; ++ip) {
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+ dz[ir] = Points[ip];
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+ ++ir;
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+ }
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+ receivers->SetNumberOfPoints(nx*ny*nz);
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+ ir = 0;
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+ Real pz = oz;
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+ for (int iz=0; iz<nz; ++iz) {
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+ Real py = oy;
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+ for (int iy=0; iy<ny; ++iy) {
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+ Real px = ox;
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+ for (int ix=0; ix<nx; ++ix) {
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+ loc << px, py, pz;
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+ receivers->SetLocation(ir, loc);
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+ if (ix < nx-1) px += dx[ix];
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+ ++ ir;
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+ }
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+ if (iy<ny-1) py += dy[iy];
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+ }
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+ if (iz<nz-1) pz += dz[iz];
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+ }
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+
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+ ////////////////////////////////////
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+ // Define model
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+ auto earth = LayeredEarthEM::NewSP();
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+ VectorXcr sigma;
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+ VectorXr thick;
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+ earth->SetNumberOfLayers(CondMod[0]+1);
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+ sigma.resize(CondMod[0]+1); sigma(0) = 0; // airlayer
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+ thick.resize(CondMod[0]-1);
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+ int ilay=1;
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+ for ( ; ilay/2<CondMod[0]-1; ilay+=2) {
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+ sigma(ilay/2+1) = 1./CondMod[ilay];
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+ thick(ilay/2) = CondMod[ilay+1];
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+ }
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+ sigma(ilay/2+1) = 1./ CondMod[ilay];
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+ earth->SetLayerConductivity(sigma);
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+ if (thick.size() > 0) earth->SetLayerThickness(thick);
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+
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+ auto EmEarth = EMEarth1D::NewSP();
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+ EmEarth->AttachWireAntenna(trans);
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+ EmEarth->AttachLayeredEarthEM(earth);
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+ EmEarth->AttachFieldPoints(receivers);
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+ EmEarth->SetFieldsToCalculate(H);
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+ EmEarth->SetHankelTransformMethod(string2Enum<HANKELTRANSFORMTYPE>(config[0]));
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+ EmEarth->SetHankelTransformMethod(FHTKEY201);
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+
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+ ///////////////////////////////////////////////
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+ // Keep track of time
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+ jsw_timer timer;
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+ timer.begin();
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+ clock_t launch = clock();
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+ EmEarth->CalculateWireAntennaFields(true); // true=status bar
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+ Real paTime = timer.end();
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+
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+ std::cout << "\n\n===========================================\ncalc. real time: " << paTime/60. << "\t[m]\n";
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+
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+ std::cout << "calc. user time: " << (clock()-launch)/CLOCKS_PER_SEC/60. << "\t[CPU m]"
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+ << std::endl;
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+
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+ ////////////////////////////////////
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+ // Report
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+ std::fstream hrep("hfield.yaml", std::ios::out);
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+ std::fstream hreal("hfield.dat", std::ios::out);
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+
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+ hrep << *EmEarth << std::endl;
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+ hrep.close();
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+ //hreal << *trans << std::endl;
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+ //hreal << *earth << std::endl;
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+
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+ hreal << "// Right hand coordinate system, z is positive down\n";
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+ hreal << "// x[m]\ty[m]\tz[m]\tHx[A/m]\tHy[A/m]\tHz[A/m]\n";
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+ hreal.precision(8);
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+ int i=0;
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+ for (int iz=0; iz<nz; ++iz) {
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+ for (int iy=0; iy<ny; ++iy) {
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+ for (int ix=0; ix<nx; ++ix) {
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+ hreal << receivers->GetLocation(i).transpose() << "\t";
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+ hreal << receivers->GetHfield(0, i).transpose() << "\n";
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+ ++i;
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+ }
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+ }
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+ }
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+ hreal.close();
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+ // Clean up
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+}
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+
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+std::vector<Real> readinpfile(const std::string& fname) {
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+ std::string buf;
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+ char dump[255];
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+ std::vector<Real> vals;
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+ std::fstream input(fname.c_str(), std::ios::in);
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+ if (input.fail()) {
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+ std::cerr << "Input file " << fname << " failed to open\n";
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+ exit(EXIT_FAILURE);
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+ }
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+ while (input >> buf) {
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+ if (buf.substr(0,2) == "//") {
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+ input.getline(dump, 255);
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+ } else {
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+ vals.push_back( atof(buf.c_str() ));
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+ }
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+ }
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+ return vals;
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+}
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+
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+std::vector<std::string> readinpfile2(const std::string& fname) {
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+ std::string buf;
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+ char dump[255];
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+ std::vector<std::string> vals;
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+ std::fstream input(fname.c_str(), std::ios::in);
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+ if (input.fail()) {
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+ std::cerr << "Input file " << fname << " failed to open\n";
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+ exit(EXIT_FAILURE);
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+ }
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+ while (input >> buf) {
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+ if (buf.substr(0,2) == "//") {
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+ input.getline(dump, 255);
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+ } else {
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+ vals.push_back( std::string(buf.c_str() ));
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+ }
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+ }
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+ return vals;
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+}
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Trevor Irons
6年前