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load_ann.h
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load_ann.h
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#ifndef LOAD_ANN_FACET_H
#define LOAD_ANN_FACET_H
#include <math.h>
#include <iostream>
#include <string>
#include <fstream>
#include <sstream>
#include <vector>
#include "math_uavsar.h"
void load_ann(par_struct &par, peg_struct &peg){
//This subroutine will load auxiliary information from UAVSAR annotation file *.ann
std::string dum[6], look;
double slc_width, R_ground, delta_R_slc;
//Open annotation file and read necessary info
std::string line;
std::ifstream infofile;
infofile.open(par.ann.c_str(), std::ifstream::in);
if (!infofile.is_open()){
std::cout << "Error opening annotation file\n";
exit(1);
}
while (getline(infofile, line)){
std::istringstream stream(line, std::istringstream::in);
stream >> dum[0];
if (dum[0] == "mlc" + par.pol){
stream >> dum[1] >> par.mlc;
continue;
}
else if (dum[0] == "mlc_pwr.set_rows"){
stream >> dum[1] >> dum[2] >> par.height;
continue;
}
else if (dum[0] == "mlc_pwr.set_cols"){
stream >> dum[1] >> dum[2] >> par.width;
continue;
}
else if (dum[0] == "mlc_pwr.row_addr"){
stream >> dum[1] >> dum[2] >> par.so;
continue;
}
else if (dum[0] == "mlc_pwr.col_addr"){
stream >> dum[1] >> dum[2] >> par.co;
continue;
}
else if (dum[0] == "slc_mag.col_mult"){
stream >> dum[1] >> dum[2] >> delta_R_slc;
continue;
}
else if (dum[0] == "mlc_pwr.row_mult"){
stream >> dum[1] >> dum[2] >> par.delta_az;
continue;
}
else if (dum[0] == "mlc_pwr.col_mult"){
stream >> dum[1] >> dum[2] >> par.delta_R;
continue;
}
else if (dum[0] == "hgt"){
stream >> dum[1] >> par.dem;
continue;
}
else if (dum[0] == "hgt.set_rows"){
stream >> dum[1] >> dum[2] >> par.heightDEM;
continue;
}
else if (dum[0] == "hgt.set_cols"){
stream >> dum[1] >> dum[2] >> par.widthDEM;
continue;
}
else if (dum[0] == "hgt.col_addr"){
stream >> dum[1] >> dum[2] >> par.corner_lon;
par.corner_lon = par.corner_lon*RAD;
continue;
}
else if (dum[0] == "hgt.row_addr"){
stream >> dum[1] >> dum[2] >> par.corner_lat;
par.corner_lat = par.corner_lat*RAD;
continue;
}
else if (dum[0] == "hgt.col_mult"){
stream >> dum[1] >> dum[2] >> par.spc_lon;;
par.spc_lon = fabs(par.spc_lon)*RAD;
continue;
}
else if (dum[0] == "hgt.row_mult"){
stream >> dum[1] >> dum[2] >> par.spc_lat;;
par.spc_lat = fabs(par.spc_lat)*RAD;
continue;
}
else if (dum[0] == "Peg"){
stream >> dum[1];
if (dum[1] == "Latitude"){
stream >> dum[2] >> dum[3] >> peg.lat;
peg.lat = peg.lat*RAD;
}
else if (dum[1] == "Longitude"){
stream >> dum[2] >> dum[3] >> peg.lon;
peg.lon = peg.lon*RAD;
}
else if (dum[1] == "Heading"){
stream >> dum[2] >> dum[3] >> peg.heading;
peg.heading = peg.heading*RAD;
}
continue;
}
else if (dum[0] == "Image"){
stream >> dum[1] >> dum[2] >> dum[3] >> dum[4] >> par.Ro;
par.Ro = par.Ro*1000;
continue;
}
else if (dum[0] == "Look"){
stream >> dum[1] >> dum[2] >> dum[3] >> look;
continue;
}
else if (dum[0] == "Global"){
stream >> dum[1] >> dum[2];
if (dum[2] == "Yaw"){
stream >> dum[3] >> dum[4] >> par.yaw;
par.yaw = par.yaw*RAD;
continue;
}
else if (dum[2] == "Pitch"){
stream >> dum[3] >> dum[4] >> par.pitch;
par.pitch = par.pitch*RAD;
continue;
}
else if (dum[2] == "ESA"){
stream >> dum[3] >> dum[4] >> par.ESA;
par.ESA = par.ESA*RAD;
continue;
}
else if (dum[2] == "Altitude"){
stream >> dum[3] >> dum[4] >> par.gavgalt;
continue;
}
else if (dum[2] == "Terrain"){
stream >> dum[3] >> dum[4] >> dum[5] >> par.gavgterhgt;
continue;
}
else
continue;
}
}
par.Ro += 1.0*delta_R_slc; //new addition to help compensate for range shift; basically, moving initial range to middle of 3-look window
//Compute azimuth based on look direction (still only a rough estimate)
if (look == "Right"){
std::cerr << "Error: look direction is not 'Left'; must change SCH code first; exiting\n";
exit(1);
}
else if (look == "Left"){
par.az = peg.heading + PI_HALF;
}
else {
std::cout << "Error computing azimuth\n";
exit(1);
}
infofile.close();
}
#endif