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RaySolver.cc
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#include "RaySolver.h"
#include "Position.h"
#include "IceModel.h"
#include <string>
#include <cstring>
#include <sstream>
#include <iostream>
#include "Settings.h"
RaySolver::RaySolver() {
//default constructor
//
}
void RaySolver::Earth_to_Flat_same_depth (Position &source, Position &target, IceModel *antarctica) { // set both target, source has same depth from the surface : angle should be somewhat difficult to change
double D = target.Distance( source );
double target_depth = antarctica->Surface(target.Lon(), target.Lat()) - target.R();
double source_depth = antarctica->Surface(source.Lon(), source.Lat()) - source.R();
//--------------------------------------------------
// std::cout<<"source R : "<<source.R()<<" source Ice surface : "<<antarctica->Surface(source.Lon(), source.Lat())<<"\n";
//
// std::cout<<"target_depth : "<<target_depth<<" and source_depth : "<<source_depth<<"\n";
// std::cout<<"Surface R at source : "<<antarctica->Surface(source.Lon(), source.Lat())<<"\n";
//--------------------------------------------------
target.SetX( 0. );
target.SetY( 0. );
target.SetZ( -target_depth );
source.SetX( pow( D*D - pow(target_depth - source_depth, 2), 0.5) );
source.SetY( 0. );
source.SetZ( -source_depth );
}
void RaySolver::Earth_to_Flat_same_angle (Position &source, Position &target, IceModel *antarctica) { // set target depth as a same (but source depth changed). at target, any angle will be not changed... But there are a chance for source be out of surface (which mostly don't have solution for ray_solver).
double D = target.Distance( source );
double target_depth = antarctica->Surface(target.Lon(), target.Lat()) - target.R();
double ang_diff = target.Angle(source);
double depth_diff = target.R() - source.R()*cos(ang_diff);
//--------------------------------------------------
// std::cout<<"source R : "<<source.R()<<" source Ice surface : "<<antarctica->Surface(source.Lon(), source.Lat())<<"\n";
//
// std::cout<<"target_depth : "<<target_depth<<" and depth_diff : "<<depth_diff<<"\n";
// std::cout<<"Surface R at source : "<<antarctica->Surface(source.Lon(), source.Lat())<<"\n";
//--------------------------------------------------
target.SetX( 0. );
target.SetY( 0. );
target.SetZ( -target_depth );
source.SetX( pow( D*D - depth_diff*depth_diff, 0.5) );
source.SetY( 0. );
source.SetZ( -target_depth - depth_diff );
}
//
//
// Solve_Ray_org : don't change any positions from earth to flat.
//
// input positions are values for flat surface where z = 0 is at ice surface
//
//
void RaySolver::Solve_Ray_org (Position &source, Position &target, std::vector < std::vector <double> > &outputs, Settings *settings1) {
outputs.clear();
//--------------------------------------------------
// int argc = 7;
// int arg_length = 40;
// char argv_tmp[argc][arg_length];
// char *argv[argc];
//--------------------------------------------------
int sol_no = 0; // solution number (for vector solutions)
Position source_tmp = source;
Position target_tmp = target;
int test;
//--------------------------------------------------
// Earth_to_Flat_same_depth (source_tmp, target_tmp, antarctica);
//--------------------------------------------------
//--------------------------------------------------
// Earth_to_Flat_same_angle (source_tmp, target_tmp, antarctica);
//--------------------------------------------------
// set error message in case posnu is above Surface
if (source_tmp.GetZ() > 0.) {
source_over_surface = 1;
}
else {
source_over_surface = 0;
}
/*
test = sprintf(argv_tmp[1], "--src_x=%f", source_tmp.GetX() );
test = sprintf(argv_tmp[2], "--src_y=%f", source_tmp.GetY() );
test = sprintf(argv_tmp[3], "--src_z=%f", source_tmp.GetZ() );
test = sprintf(argv_tmp[4], "--trg_x=%f", target_tmp.GetX() );
test = sprintf(argv_tmp[5], "--trg_y=%f", target_tmp.GetY() );
test = sprintf(argv_tmp[6], "--trg_z=%f", target_tmp.GetZ() );
argv[1] = &argv_tmp[1][0]; //source x
argv[2] = &argv_tmp[2][0]; //source y
argv[3] = &argv_tmp[3][0]; //source z
argv[4] = &argv_tmp[4][0]; //target x
argv[5] = &argv_tmp[5][0]; //target y
argv[6] = &argv_tmp[6][0]; //target z
std::cout<<"argc : "<<argc<<"\n";
std::cout<<"argv[1] : "<<argv[1]<<"\n";
std::cout<<"argv[2] : "<<argv[2]<<"\n";
std::cout<<"argv[3] : "<<argv[3]<<"\n";
std::cout<<"argv[4] : "<<argv[4]<<"\n";
std::cout<<"argv[5] : "<<argv[5]<<"\n";
std::cout<<"argv[6] : "<<argv[6]<<"\n";
*/
//--------------------------------------------------
// std::cout<<"src_x : "<<source_tmp.GetX()<<"\n";
// std::cout<<"src_y : "<<source_tmp.GetY()<<"\n";
// std::cout<<"src_z : "<<source_tmp.GetZ()<<"\n";
// std::cout<<"trg_x : "<<target_tmp.GetX()<<"\n";
// std::cout<<"trg_y : "<<target_tmp.GetY()<<"\n";
// std::cout<<"trg_z : "<<target_tmp.GetZ()<<"\n";
//--------------------------------------------------
//--------------------------------------------------
// int main(int argc, char* argv[]){
//--------------------------------------------------
double ns,nd,nc;
double src_x, src_y, src_z, trg_x, trg_y, trg_z;
Vector src,trg;
bool showLabels=true;
bool dumpPaths=false;
bool surface_reflect;
bool bedrock_reflect;
double requiredAccuracy;
double frequency;
double polarization;
boost::shared_ptr<RayTrace::indexOfRefractionModel> refractionModel;
std::string refractionName;
boost::shared_ptr<RayTrace::attenuationModel> attenuationModel;
std::string attenuationName;
/*
boost::program_options::options_description desc("Allowed options");
desc.add_options()
("help,h","print usage information")
("src_x",boost::program_options::value<double>(&src_x),"source x coordinate")
("src_y",boost::program_options::value<double>(&src_y),"source y coordinate")
("src_z",boost::program_options::value<double>(&src_z),"source z coordinate")
("trg_x",boost::program_options::value<double>(&trg_x),"target x coordinate")
("trg_y",boost::program_options::value<double>(&trg_y),"target y coordinate")
("trg_z",boost::program_options::value<double>(&trg_z),"target z coordinate")
("quiet,q","quiet, hide column labels")
("show_paths,p","show paths; print out x and z coordinates of points visited along each path. Suppresses ordinary output")
("n_s",boost::program_options::value<double>(&ns)->default_value(1.35),"surface index of refraction")
("n_d",boost::program_options::value<double>(&nd)->default_value(1.78),"deep index of refraction")
("n_c",boost::program_options::value<double>(&nc)->default_value(.0132),"index of refraction transition coefficient")
("reflect_surface",boost::program_options::value<bool>(&surface_reflect)->default_value(true),"whether to search for surface\nreflected solutions")
("reflect_bedrock",boost::program_options::value<bool>(&bedrock_reflect)->default_value(false),"whether to search for bedrock\nreflected solutions")
("accuracy",boost::program_options::value<double>(&requiredAccuracy)->default_value(0.1),"the maximum acceptable vertical miss distance in meters")
("frequency",boost::program_options::value<double>(&frequency)->default_value(300),"the frequency of the signal, in MHz")
("polarization",boost::program_options::value<double>(&polarization)->default_value(RayTrace::pi/2),"the angle of the signal polarization, relative to the plane of propagation, in radians")
("index_of_refraction",boost::program_options::value<std::string>(&refractionName)->default_value("exponential"),
"the index of refraction function of the ice, recognized values are 'exponential', 'inverse_exponential', 'quadratic', 'todor_linear', 'todor_chi', and 'todor_LL'")
("attenuation",boost::program_options::value<std::string>(&attenuationName)->default_value("besson"),"the attenuation function of the ice, recognized values are 'negligible' and 'besson'")
;
boost::program_options::positional_options_description p;
p.add("src_x", 1);
p.add("src_y", 1);
p.add("src_z", 1);
p.add("trg_x", 1);
p.add("trg_y", 1);
p.add("trg_z", 1);
boost::program_options::variables_map vm;
try{
boost::program_options::store(boost::program_options::command_line_parser(argc, argv).options(desc).positional(p).run(), vm);
boost::program_options::notify(vm);
}catch(std::exception& except){
std::cerr << "Caught an exception during argument parsing: " << except.what() << std::endl;
//--------------------------------------------------
// return(1);
//--------------------------------------------------
}catch(...){
std::cerr << "An unknown exception was caught during argument parsing" << std::endl;
//--------------------------------------------------
// return(1);
//--------------------------------------------------
}
if (vm.count ("help") || argc < 2) {
//--------------------------------------------------
// std::cout << "Usage: ray_solver [OPTION]... " << underline("src.x") << ' ' << underline("src.y") << ' ' << underline("src.z") << ' '
// << underline("trg.x") << ' ' << underline("trg.y") << ' ' << underline("trg.z") << std::endl;
// std::cout << desc << std::endl;
// std::cout << "Angles are measured in radians from the downward vertical" << std::endl;
// std::cout << "The reported attenuation includes the effects of the ice attenuation model and reflections." << std::endl;
// std::cout << "The (electric field) amplitude value reported combines the attenuation with the divergence of rays." << std::endl;
//--------------------------------------------------
//--------------------------------------------------
// return(0);
//--------------------------------------------------
}
if(vm.count("quiet"))
showLabels=false;
if(vm.count("show_paths")){
dumpPaths=true;
showLabels=false;
}
if(refractionName=="exponential")
refractionModel=boost::shared_ptr<exponentialRefractiveIndex>(new exponentialRefractiveIndex(ns,nd,nc));
//refractionModel=boost::make_shared<exponentialRefractiveIndex>(ns,nd,nc);
else if(refractionName=="inverse_exponential")
refractionModel=boost::shared_ptr<inverseExponentialRefractiveIndex>(new inverseExponentialRefractiveIndex(ns,nd,nc));
//refractionModel=boost::make_shared<inverseExponentialRefractiveIndex>(ns,nd,nc);
else if(refractionName=="quadratic")
refractionModel=boost::shared_ptr<quadraticRefractiveIndex>(new quadraticRefractiveIndex(ns,nd,nc));
//refractionModel=boost::make_shared<quadraticRefractiveIndex>(ns,nd,nc);
else if(refractionName=="todor_linear")
refractionModel=boost::shared_ptr<todorLinearRefractiveIndex>(new todorLinearRefractiveIndex(ns,nd));
//refractionModel=boost::make_shared<todorLinearRefractiveIndex>(ns,nd);
else if(refractionName=="todor_chi")
refractionModel=boost::shared_ptr<todorChiRefractiveIndex>(new todorChiRefractiveIndex(ns,nd));
//refractionModel=boost::make_shared<todorChiRefractiveIndex>(ns,nd);
else if(refractionName=="todor_LL")
refractionModel=boost::shared_ptr<todorLLRefractiveIndex>(new todorLLRefractiveIndex(ns,nd));
//refractionModel=boost::make_shared<todorLLRefractiveIndex>(ns,nd);
else{
std::cerr << "Unrecognized refraction model name '" << refractionName << "'" << std::endl;
//--------------------------------------------------
// return(1);
//--------------------------------------------------
}
if(attenuationName=="besson")
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
//attenuationModel=boost::make_shared<basicAttenuationModel>();
else if(attenuationName=="negligible")
attenuationModel=boost::shared_ptr<negligibleAttenuationModel>(new negligibleAttenuationModel);
//attenuationModel=boost::make_shared<negligibleAttenuationModel>();
else{
std::cerr << "Unrecognized attenuation model name '" << attenuationName << "'" << std::endl;
//--------------------------------------------------
// return(1);
//--------------------------------------------------
}
*/
// Defaults!!!!
src = source_tmp;
trg = target_tmp;
if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 0){
// South Pole Values (AraSim original default, based on RICE)
ns = 1.35;
nd = 1.78;
nc = 0.0132;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 1){
// South Pole Values (RICE (2004))
ns = 1.35;
nd = 1.78;
nc = 0.014;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 2){
// South Pole Values (Eisen (2003))
ns = 1.30;
nd = 1.78;
nc = 0.02;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 3){
// South Pole values (Gow)
ns = 1.345;
nd = 1.78;
nc = 0.016;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 10){
// Moore's Bay values (MB #1)
ns = 1.32;
nd = 1.78;
nc = 0.029;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 11){
// Moore's Bay values (MB #2)
ns = 1.299;
nd = 1.78;
nc = 0.027;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 20){
// Byrd values (Ebimuna (1983))
ns = 1.316;
nd = 1.78;
nc = 0.0244;
} else if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 30){
// Mizuho values (Ebimuna (1983))
ns = 1.357;
nd = 1.78;
nc = 0.027;
}
else {
// South Pole Values (AraSim original default, based on RICE)
ns = 1.35;
nd = 1.78;
nc = 0.0132;
}
// cout << "ns, nd, nc: " << ns << ", " << nd << ", " << nc << endl;
surface_reflect = true;
bedrock_reflect = false;
//requiredAccuracy = 0.1;
//requiredAccuracy = 0.5;
requiredAccuracy = 0.2;
frequency = 300;
polarization = RayTrace::pi/2;
if (settings1->NOFZ == 1){
refractionModel=boost::shared_ptr<exponentialRefractiveIndex>(new exponentialRefractiveIndex(ns,nd,nc));
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
} else if (settings1->NOFZ == 0){
refractionModel=boost::shared_ptr<constantRefractiveIndex>(new constantRefractiveIndex(1.48));
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
}
else if (settings1->NOFZ == 2){
refractionModel=boost::shared_ptr<inverseExponentialRefractiveIndex>(new inverseExponentialRefractiveIndex(ns,nd,nc));
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
}
unsigned short refl = RayTrace::NoReflection;
if(surface_reflect)
refl|=RayTrace::SurfaceReflection;
if(bedrock_reflect)
refl|=RayTrace::BedrockReflection;
/*
src.SetX(src_x);
src.SetY(src_y);
src.SetZ(src_z);
trg.SetX(trg_x);
trg.SetY(trg_y);
trg.SetZ(trg_z);
*/
std::vector<RayTrace::TraceRecord> paths;
std::vector<RayTrace::TraceRecord> paths_exc;
RayTrace::TraceFinder tf(refractionModel,attenuationModel);
std::vector < std::vector < std::vector <double> > > testvector;
int sol_cnt;
int sol_error;
int sol_cnt_exc;
int sol_error_exc;
int SrcTrgExc = 0; // 0 not exchanged, 1 exchanged
paths=tf.findPaths(src,trg,frequency/1.0e3,polarization, sol_cnt, sol_error, refl,requiredAccuracy);
// have to fix src trg exchanged case angle outputs
//
if ( sol_cnt > 0 && sol_error > 0 ) { // this case do findPahts again with src, trg exchanged
paths_exc=tf.findPaths(trg,src,frequency/1.0e3,polarization, sol_cnt_exc, sol_error_exc, refl,requiredAccuracy);
if ( sol_error > sol_error_exc ) { // exchanged one is better (less sol_error)
paths = paths_exc;
SrcTrgExc = 1;
}
else if (sol_error == sol_error_exc) { // sol_error are same for both paths. Then use the better miss dist.
std::vector<RayTrace::TraceRecord>::const_iterator it_tmp=paths.begin();
std::vector<RayTrace::TraceRecord>::const_iterator it_tmp_exc=paths_exc.begin();
if ( it_tmp->miss > it_tmp_exc->miss ) { // if fist one miss dist is worse
paths = paths_exc;
SrcTrgExc = 1;
}
}
}
if(showLabels){
if(!paths.empty()){
//--------------------------------------------------
// std::cout << std::fixed
// << "path length (m) "
// << "path time (ns) "
// << "launch angle "
// << "recipt angle "
// << "reflect angle "
// << "miss dist. "
// << "attenuation "
// << "amplitude"
// << std::endl;
//--------------------------------------------------
solution_toggle = 1;
}
else {
//std::cout << "No solutions" << std::endl;
solution_toggle = 0;
}
}
if(!dumpPaths){
for(std::vector<RayTrace::TraceRecord>::const_iterator it=paths.begin(); it!=paths.end(); ++it){
if ( it->sol_error == 0 ) {
//double signal = tf.signalStrength(*it,src,trg,refl, sol_error );
//--------------------------------------------------
// std::cout << std::left << std::fixed
// << std::setprecision(2) << std::setw(15) << it->pathLen << ' '
// << std::setprecision(2) << std::setw(14) << 1e9*it->pathTime << ' '
// << std::setprecision(4) << std::setw(12) << it->launchAngle << ' '
// << std::setprecision(4) << std::setw(12) << it->receiptAngle << ' '
// << std::setprecision(3) << std::setw(13) << it->reflectionAngle << ' '
// << std::setprecision(2) << std::setw(10) << it->miss << ' '
// << std::scientific << std::setprecision(4) << std::setw(11) << it->attenuation << ' '
// //amplitude calculation, ignoring frequency response at both ends, angular response of receiver
// << std::setw(10) << (it->attenuation*signal)
// << std::endl;
//--------------------------------------------------
if ( SrcTrgExc == 0 ) { // src, trg as original
outputs.resize(3);
outputs[0].push_back(it->pathLen);
outputs[1].push_back(it->launchAngle);
outputs[2].push_back(it->receiptAngle);
//std::cout<<"outputs[0]["<<sol_no<<"] : "<<outputs[0][sol_no]<<"pathLen : "<<it->pathLen<<"\n";
std::string pathfilename;
if ( sol_no == 0 ) {
pathfilename = "./pathfile_0.txt";
}
else if ( sol_no == 1 ) {
pathfilename = "./pathfile_1.txt";
}
else {
pathfilename = "./pathfile.txt";
}
testvector.resize(sol_no+1); // x, z
// construct
pathStore_vector<RayTrace::minimalRayPosition> pathsave_test;
//pathStore_vector_2<RayTrace::minimalRayPosition> pathsave_test (testvector);
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test ("./pathfile.txt");
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test (pathfilename);
//tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, sol_error, &pathsave_test);
tf.doTrace<RayTrace::minimalRayPosition>(src.GetZ(), it->launchAngle, RayTrace::rayTargetRecord(trg.GetZ(),sqrt((trg.GetX()-src.GetX())*(trg.GetX()-src.GetX())+(trg.GetY()-src.GetY())*(trg.GetY()-src.GetY()))), refl, 0.0, 0.0, sol_error, &pathsave_test);
pathsave_test.CopyVector( testvector, sol_no );
pathsave_test.DelVector();
/*
double totalpath = 0.;
double dx, dz;
//cout<<"\nRayStep : "<<(int)testvector[0].size()<<endl;
for (int step=0; step<(int)testvector[sol_no][0].size(); step++ ) {
if ( step > 0 ) {
dx = fabs(testvector[sol_no][0][step-1] - testvector[sol_no][0][step]);
dz = fabs(testvector[sol_no][1][step-1] - testvector[sol_no][1][step]);
totalpath += sqrt( (dx*dx) + (dz*dz) );
}
}
*/
//cout<<"pathLen : "<<it->pathLen<<", pathSum : "<<totalpath<<endl;
//testvector.clear();
sol_no++;
}
else if ( SrcTrgExc == 1 ) { // src, trg exchanged
outputs.resize(3);
outputs[0].push_back(it->pathLen);
outputs[1].push_back(PI - it->receiptAngle);
outputs[2].push_back(PI - it->launchAngle);
//std::cout<<"outputs[0]["<<sol_no<<"] : "<<outputs[0][sol_no]<<"pathLen : "<<it->pathLen<<"\n";
std::string pathfilename;
if ( sol_no == 0 ) {
pathfilename = "./pathfile_0.txt";
}
else if ( sol_no == 1 ) {
pathfilename = "./pathfile_1.txt";
}
else {
pathfilename = "./pathfile.txt";
}
testvector.resize(sol_no+1); // x, z
// construct
pathStore_vector<RayTrace::minimalRayPosition> pathsave_test;
//pathStore_vector_2<RayTrace::minimalRayPosition> pathsave_test (testvector);
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test ("./pathfile.txt");
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test (pathfilename);
//tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, sol_error, &pathsave_test);
tf.doTrace<RayTrace::minimalRayPosition>(src.GetZ(), PI - it->receiptAngle, RayTrace::rayTargetRecord(trg.GetZ(),sqrt((trg.GetX()-src.GetX())*(trg.GetX()-src.GetX())+(trg.GetY()-src.GetY())*(trg.GetY()-src.GetY()))), refl, 0.0, 0.0, sol_error, &pathsave_test);
pathsave_test.CopyVector( testvector, sol_no );
pathsave_test.DelVector();
/*
double totalpath = 0.;
double dx, dz;
//cout<<"\nRayStep : "<<(int)testvector[0].size()<<endl;
for (int step=0; step<(int)testvector[sol_no][0].size(); step++ ) {
if ( step > 0 ) {
dx = fabs(testvector[sol_no][0][step-1] - testvector[sol_no][0][step]);
dz = fabs(testvector[sol_no][1][step-1] - testvector[sol_no][1][step]);
totalpath += sqrt( (dx*dx) + (dz*dz) );
}
}
*/
//cout<<"pathLen : "<<it->pathLen<<", pathSum : "<<totalpath<<endl;
//testvector.clear();
sol_no++;
}
}
}
}
else{ //do write out path data
// I didn't fix this part yet!
int sol_error;
pathPrinter<RayTrace::minimalRayPosition> print;
for(std::vector<RayTrace::TraceRecord>::const_iterator it=paths.begin(); it!=paths.end(); ++it){
//tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, &print);
tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, sol_error, &print);
//std::cout << "\n\n";
}
}
//--------------------------------------------------
// return(0);
//--------------------------------------------------
}
//
//
// Solve_Ray_org : don't change any positions from earth to flat. (also this version read x, y, z conponents and output travel time and travel distance only)
//
// input positions are values for flat surface where z = 0 is at ice surface
//
//
//void RaySolver::Solve_Ray_org (double source_x, double source_y, double source_z, double target_x, double target_y, double target_z ) {
void RaySolver::Solve_Ray_org (double source_x, double source_y, double source_z, double target_x, double target_y, double target_z, bool print_path ) {
//outputs.clear();
int sol_no = 0; // solution number (for vector solutions)
//Position source_tmp = source;
//Position target_tmp = target;
int test;
// set error message in case posnu is above Surface
if (source_z > 0.) {
source_over_surface = 1;
}
else {
source_over_surface = 0;
}
//--------------------------------------------------
// int main(int argc, char* argv[]){
//--------------------------------------------------
double ns,nd,nc;
double src_x, src_y, src_z, trg_x, trg_y, trg_z;
Vector src,trg;
bool showLabels=true;
//bool dumpPaths=false;
bool dumpPaths=print_path;
bool surface_reflect;
bool bedrock_reflect;
double requiredAccuracy;
double frequency;
double polarization;
boost::shared_ptr<RayTrace::indexOfRefractionModel> refractionModel;
std::string refractionName;
boost::shared_ptr<RayTrace::attenuationModel> attenuationModel;
std::string attenuationName;
// Defaults!!!!
//src = source_tmp;
//trg = target_tmp;
// if (settings1->RAY_TRACE_ICE_MODEL_PARAMS == 0){
// South Pole Values
ns = 1.35;
nd = 1.78;
nc = 0.0132;
// } else {
// Moore's Bay values (MB #1)
//ns = 1.32;
// nd = 1.78;
//nc = 0.029;
// }
// cout << "ns, nd, nc: " << ns << ", " << nd << ", " << nc << endl;
surface_reflect = true;
bedrock_reflect = false;
//requiredAccuracy = 0.1;
//requiredAccuracy = 0.5;
requiredAccuracy = 0.2;
frequency = 300;
polarization = RayTrace::pi/2;
//if (settings1->NOFZ == 1){
refractionModel=boost::shared_ptr<exponentialRefractiveIndex>(new exponentialRefractiveIndex(ns,nd,nc));
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
/*
} else if (settings1->NOFZ == 0){
refractionModel=boost::shared_ptr<constantRefractiveIndex>(new constantRefractiveIndex(1.48));
attenuationModel=boost::shared_ptr<basicAttenuationModel>(new basicAttenuationModel);
}
*/
unsigned short refl = RayTrace::NoReflection;
if(surface_reflect)
refl|=RayTrace::SurfaceReflection;
if(bedrock_reflect)
refl|=RayTrace::BedrockReflection;
src.SetX(source_x);
src.SetY(source_y);
src.SetZ(source_z);
trg.SetX(target_x);
trg.SetY(target_y);
trg.SetZ(target_z);
std::vector<RayTrace::TraceRecord> paths;
std::vector<RayTrace::TraceRecord> paths_exc;
RayTrace::TraceFinder tf(refractionModel,attenuationModel);
std::vector < std::vector < std::vector <double> > > testvector;
int sol_cnt;
int sol_error;
int sol_cnt_exc;
int sol_error_exc;
int SrcTrgExc = 0; // 0 not exchanged, 1 exchanged
paths=tf.findPaths(src,trg,frequency/1.0e3,polarization, sol_cnt, sol_error, refl,requiredAccuracy);
// have to fix src trg exchanged case angle outputs
//
if ( sol_cnt > 0 && sol_error > 0 ) { // this case do findPahts again with src, trg exchanged
paths_exc=tf.findPaths(trg,src,frequency/1.0e3,polarization, sol_cnt_exc, sol_error_exc, refl,requiredAccuracy);
if ( sol_error > sol_error_exc ) { // exchanged one is better (less sol_error)
paths = paths_exc;
SrcTrgExc = 1;
}
else if (sol_error == sol_error_exc) { // sol_error are same for both paths. Then use the better miss dist.
std::vector<RayTrace::TraceRecord>::const_iterator it_tmp=paths.begin();
std::vector<RayTrace::TraceRecord>::const_iterator it_tmp_exc=paths_exc.begin();
if ( it_tmp->miss > it_tmp_exc->miss ) { // if fist one miss dist is worse
paths = paths_exc;
SrcTrgExc = 1;
}
}
}
if(showLabels){
if(!paths.empty()){
std::cout << std::fixed
<< "path length (m) "
<< "path time (ns) "
<< "launch angle "
<< "recipt angle "
<< "reflect angle "
<< "miss dist. "
<< "attenuation "
<< "amplitude"
<< std::endl;
solution_toggle = 1;
}
else {
std::cout << "No solutions" << std::endl;
solution_toggle = 0;
}
}
if(!dumpPaths){
for(std::vector<RayTrace::TraceRecord>::const_iterator it=paths.begin(); it!=paths.end(); ++it){
if ( it->sol_error == 0 ) {
//double signal = tf.signalStrength(*it,src,trg,refl);
double signal = tf.signalStrength(*it,src,trg,refl, sol_error );
std::cout << std::left << std::fixed
<< std::setprecision(2) << std::setw(15) << it->pathLen << ' '
<< std::setprecision(2) << std::setw(14) << 1e9*it->pathTime << ' '
<< std::setprecision(4) << std::setw(12) << it->launchAngle << ' '
<< std::setprecision(4) << std::setw(12) << it->receiptAngle << ' '
<< std::setprecision(3) << std::setw(13) << it->reflectionAngle << ' '
<< std::setprecision(2) << std::setw(10) << it->miss << ' '
<< std::scientific << std::setprecision(4) << std::setw(11) << it->attenuation << ' '
//amplitude calculation, ignoring frequency response at both ends, angular response of receiver
<< std::setw(10) << (it->attenuation*signal)
<< std::endl;
std::string pathfilename;
if ( sol_no == 0 ) {
pathfilename = "./pathfile_0.txt";
}
else if ( sol_no == 1 ) {
pathfilename = "./pathfile_1.txt";
}
else {
pathfilename = "./pathfile.txt";
}
testvector.resize(sol_no+1); // x, z
// construct
pathStore_vector<RayTrace::minimalRayPosition> pathsave_test;
//pathStore_vector_2<RayTrace::minimalRayPosition> pathsave_test (testvector);
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test ("./pathfile.txt");
//pathStore_test<RayTrace::minimalRayPosition> pathsave_test (pathfilename);
//tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, sol_error, &pathsave_test);
tf.doTrace<RayTrace::minimalRayPosition>(src.GetZ(), it->launchAngle, RayTrace::rayTargetRecord(trg.GetZ(),sqrt((trg.GetX()-src.GetX())*(trg.GetX()-src.GetX())+(trg.GetY()-src.GetY())*(trg.GetY()-src.GetY()))), refl, 0.0, 0.0, sol_error, &pathsave_test);
pathsave_test.CopyVector( testvector, sol_no );
pathsave_test.DelVector();
/*
double totalpath = 0.;
double dx, dz;
//cout<<"\nRayStep : "<<(int)testvector[0].size()<<endl;
for (int step=0; step<(int)testvector[sol_no][0].size(); step++ ) {
if ( step > 0 ) {
dx = fabs(testvector[sol_no][0][step-1] - testvector[sol_no][0][step]);
dz = fabs(testvector[sol_no][1][step-1] - testvector[sol_no][1][step]);
totalpath += sqrt( (dx*dx) + (dz*dz) );
}
}
*/
//cout<<"pathLen : "<<it->pathLen<<", pathSum : "<<totalpath<<endl;
//testvector.clear();
sol_no++;
if (sol_no == 1) { // save only first sol
//travel_dist = it->pathLen;
//travel_time = it->pathTime; // in s
}
}
}
}
else{ //do write out path data
// I didn't fix this part yet!
int sol_error;
pathPrinter<RayTrace::minimalRayPosition> print;
for(std::vector<RayTrace::TraceRecord>::const_iterator it=paths.begin(); it!=paths.end(); ++it){
//tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, &print);
tf.doTrace<RayTrace::minimalRayPosition>(src_z, it->launchAngle, RayTrace::rayTargetRecord(trg_z,sqrt((trg_x-src_x)*(trg_x-src_x)+(trg_y-src_y)*(trg_y-src_y))), refl, 0.0, 0.0, sol_error, &print);
std::cout << "\n\n";
}
}
//--------------------------------------------------
// return(0);
//--------------------------------------------------
//no_sol = sol_no;
}
//--------------------------------------------------
// void RaySolver::Solve_Ray (Position &source, Position &target, IceModel *antarctica, std::vector <double> &outputs) {
//--------------------------------------------------
//void RaySolver::Solve_Ray (Position &source, Position &target, IceModel *antarctica, std::vector < std::vector <double> > &outputs, Settings *settings1) {
void RaySolver::Solve_Ray (Position &source, Position &target, IceModel *antarctica, std::vector < std::vector <double> > &outputs, Settings *settings1, std::vector < std::vector < std::vector <double> > > &RayStep ) {
outputs.clear();
//--------------------------------------------------
// int argc = 7;
// int arg_length = 40;
// char argv_tmp[argc][arg_length];
// char *argv[argc];
//--------------------------------------------------
int sol_no = 0; // solution number (for vector solutions)
Position source_tmp = source;
Position target_tmp = target;
double distance_org = source.Distance( target );
int test;
//--------------------------------------------------
// Earth_to_Flat_same_depth (source_tmp, target_tmp, antarctica);
//--------------------------------------------------
Earth_to_Flat_same_angle (source_tmp, target_tmp, antarctica);
double distance_flat = source_tmp.Distance( target_tmp );
if ( fabs(distance_org - distance_flat) > 1. ) // if more than 1m difference
cout<<"source, target distance, org: "<<distance_org<<", flat: "<<distance_flat<<endl;
// set error message in case posnu is above Surface
if (source_tmp.GetZ() > 0.) {
source_over_surface = 1;
}
else {
source_over_surface = 0;
}
/*
test = sprintf(argv_tmp[1], "--src_x=%f", source_tmp.GetX() );
test = sprintf(argv_tmp[2], "--src_y=%f", source_tmp.GetY() );
test = sprintf(argv_tmp[3], "--src_z=%f", source_tmp.GetZ() );
test = sprintf(argv_tmp[4], "--trg_x=%f", target_tmp.GetX() );
test = sprintf(argv_tmp[5], "--trg_y=%f", target_tmp.GetY() );
test = sprintf(argv_tmp[6], "--trg_z=%f", target_tmp.GetZ() );
argv[1] = &argv_tmp[1][0]; //source x
argv[2] = &argv_tmp[2][0]; //source y
argv[3] = &argv_tmp[3][0]; //source z
argv[4] = &argv_tmp[4][0]; //target x
argv[5] = &argv_tmp[5][0]; //target y
argv[6] = &argv_tmp[6][0]; //target z
std::cout<<"argc : "<<argc<<"\n";
std::cout<<"argv[1] : "<<argv[1]<<"\n";
std::cout<<"argv[2] : "<<argv[2]<<"\n";
std::cout<<"argv[3] : "<<argv[3]<<"\n";
std::cout<<"argv[4] : "<<argv[4]<<"\n";
std::cout<<"argv[5] : "<<argv[5]<<"\n";
std::cout<<"argv[6] : "<<argv[6]<<"\n";
*/
//--------------------------------------------------
// std::cout<<"src_x : "<<source_tmp.GetX()<<"\n";
// std::cout<<"src_y : "<<source_tmp.GetY()<<"\n";
// std::cout<<"src_z : "<<source_tmp.GetZ()<<"\n";
// std::cout<<"trg_x : "<<target_tmp.GetX()<<"\n";
// std::cout<<"trg_y : "<<target_tmp.GetY()<<"\n";
// std::cout<<"trg_z : "<<target_tmp.GetZ()<<"\n";
//--------------------------------------------------
//--------------------------------------------------
// int main(int argc, char* argv[]){
//--------------------------------------------------
double ns,nd,nc;
double src_x, src_y, src_z, trg_x, trg_y, trg_z;
Vector src,trg;
bool showLabels=true;
bool dumpPaths=false;
bool surface_reflect;
bool bedrock_reflect;
double requiredAccuracy;
double frequency;
double polarization;
boost::shared_ptr<RayTrace::indexOfRefractionModel> refractionModel;
std::string refractionName;
boost::shared_ptr<RayTrace::attenuationModel> attenuationModel;
std::string attenuationName;
/*
boost::program_options::options_description desc("Allowed options");
desc.add_options()
("help,h","print usage information")
("src_x",boost::program_options::value<double>(&src_x),"source x coordinate")
("src_y",boost::program_options::value<double>(&src_y),"source y coordinate")
("src_z",boost::program_options::value<double>(&src_z),"source z coordinate")
("trg_x",boost::program_options::value<double>(&trg_x),"target x coordinate")
("trg_y",boost::program_options::value<double>(&trg_y),"target y coordinate")
("trg_z",boost::program_options::value<double>(&trg_z),"target z coordinate")
("quiet,q","quiet, hide column labels")
("show_paths,p","show paths; print out x and z coordinates of points visited along each path. Suppresses ordinary output")
("n_s",boost::program_options::value<double>(&ns)->default_value(1.35),"surface index of refraction")
("n_d",boost::program_options::value<double>(&nd)->default_value(1.78),"deep index of refraction")
("n_c",boost::program_options::value<double>(&nc)->default_value(.0132),"index of refraction transition coefficient")
("reflect_surface",boost::program_options::value<bool>(&surface_reflect)->default_value(true),"whether to search for surface\nreflected solutions")
("reflect_bedrock",boost::program_options::value<bool>(&bedrock_reflect)->default_value(false),"whether to search for bedrock\nreflected solutions")
("accuracy",boost::program_options::value<double>(&requiredAccuracy)->default_value(0.1),"the maximum acceptable vertical miss distance in meters")
("frequency",boost::program_options::value<double>(&frequency)->default_value(300),"the frequency of the signal, in MHz")
("polarization",boost::program_options::value<double>(&polarization)->default_value(RayTrace::pi/2),"the angle of the signal polarization, relative to the plane of propagation, in radians")
("index_of_refraction",boost::program_options::value<std::string>(&refractionName)->default_value("exponential"),
"the index of refraction function of the ice, recognized values are 'exponential', 'inverse_exponential', 'quadratic', 'todor_linear', 'todor_chi', and 'todor_LL'")
("attenuation",boost::program_options::value<std::string>(&attenuationName)->default_value("besson"),"the attenuation function of the ice, recognized values are 'negligible' and 'besson'")
;
boost::program_options::positional_options_description p;
p.add("src_x", 1);
p.add("src_y", 1);
p.add("src_z", 1);
p.add("trg_x", 1);
p.add("trg_y", 1);
p.add("trg_z", 1);