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/**
* \file CartConvert.cpp
* \brief Command line utility for geodetic to cartesian coordinate conversions
*
* Copyright (c) Charles Karney (2009-2012) <charles@karney.com> and licensed
* under the MIT/X11 License. For more information, see
* http://geographiclib.sourceforge.net/
*
* Compile and link with
* g++ -g -O3 -I../include -I../man -o CartConvert \
* CartConvert.cpp \
* ../src/DMS.cpp \
* ../src/Geocentric.cpp \
* ../src/LocalCartesian.cpp
*
* See the <a href="CartConvert.1.html">man page</a> for usage
* information.
**********************************************************************/
#include <iostream>
#include <sstream>
#include <string>
#include <sstream>
#include <fstream>
#include <GeographicLib/Geocentric.hpp>
#include <GeographicLib/LocalCartesian.hpp>
#include <GeographicLib/DMS.hpp>
#include <GeographicLib/Utility.hpp>
#if defined(_MSC_VER)
// Squelch warnings about constant conditional expressions and potentially
// uninitialized local variables
# pragma warning (disable: 4127 4701)
#endif
#include "CartConvert.usage"
int main(int argc, char* argv[]) {
try {
using namespace GeographicLib;
typedef Math::real real;
Utility::set_digits();
bool localcartesian = false, reverse = false;
real
a = Constants::WGS84_a(),
f = Constants::WGS84_f();
real lat0 = 0, lon0 = 0, h0 = 0;
std::string istring, ifile, ofile, cdelim;
char lsep = ';';
for (int m = 1; m < argc; ++m) {
std::string arg(argv[m]);
if (arg == "-r")
reverse = true;
else if (arg == "-l") {
localcartesian = true;
if (m + 3 >= argc) return usage(1, true);
try {
DMS::DecodeLatLon(std::string(argv[m + 1]), std::string(argv[m + 2]),
lat0, lon0);
h0 = Utility::num<real>(std::string(argv[m + 3]));
}
catch (const std::exception& e) {
std::cerr << "Error decoding arguments of -l: " << e.what() << "\n";
return 1;
}
m += 3;
} else if (arg == "-e") {
if (m + 2 >= argc) return usage(1, true);
try {
a = Utility::num<real>(std::string(argv[m + 1]));
f = Utility::fract<real>(std::string(argv[m + 2]));
}
catch (const std::exception& e) {
std::cerr << "Error decoding arguments of -e: " << e.what() << "\n";
return 1;
}
m += 2;
} else if (arg == "--input-string") {
if (++m == argc) return usage(1, true);
istring = argv[m];
} else if (arg == "--input-file") {
if (++m == argc) return usage(1, true);
ifile = argv[m];
} else if (arg == "--output-file") {
if (++m == argc) return usage(1, true);
ofile = argv[m];
} else if (arg == "--line-separator") {
if (++m == argc) return usage(1, true);
if (std::string(argv[m]).size() != 1) {
std::cerr << "Line separator must be a single character\n";
return 1;
}
lsep = argv[m][0];
} else if (arg == "--comment-delimiter") {
if (++m == argc) return usage(1, true);
cdelim = argv[m];
} else if (arg == "--version") {
std::cout
<< argv[0] << ": GeographicLib version "
<< GEOGRAPHICLIB_VERSION_STRING << "\n";
return 0;
} else
return usage(!(arg == "-h" || arg == "--help"), arg != "--help");
}
if (!ifile.empty() && !istring.empty()) {
std::cerr << "Cannot specify --input-string and --input-file together\n";
return 1;
}
if (ifile == "-") ifile.clear();
std::ifstream infile;
std::istringstream instring;
if (!ifile.empty()) {
infile.open(ifile.c_str());
if (!infile.is_open()) {
std::cerr << "Cannot open " << ifile << " for reading\n";
return 1;
}
} else if (!istring.empty()) {
std::string::size_type m = 0;
while (true) {
m = istring.find(lsep, m);
if (m == std::string::npos)
break;
istring[m] = '\n';
}
instring.str(istring);
}
std::istream* input = !ifile.empty() ? &infile :
(!istring.empty() ? &instring : &std::cin);
std::ofstream outfile;
if (ofile == "-") ofile.clear();
if (!ofile.empty()) {
outfile.open(ofile.c_str());
if (!outfile.is_open()) {
std::cerr << "Cannot open " << ofile << " for writing\n";
return 1;
}
}
std::ostream* output = !ofile.empty() ? &outfile : &std::cout;
const Geocentric ec(a, f);
const LocalCartesian lc(lat0, lon0, h0, ec);
std::string s;
int retval = 0;
while (std::getline(*input, s)) {
try {
std::string eol("\n");
if (!cdelim.empty()) {
std::string::size_type m = s.find(cdelim);
if (m != std::string::npos) {
eol = " " + s.substr(m) + "\n";
s = s.substr(0, m);
}
}
std::istringstream str(s);
real lat, lon, h, x, y, z;
std::string stra, strb, strc;
if (!(str >> stra >> strb >> strc))
throw GeographicErr("Incomplete input: " + s);
if (reverse) {
x = Utility::num<real>(stra);
y = Utility::num<real>(strb);
z = Utility::num<real>(strc);
} else {
DMS::DecodeLatLon(stra, strb, lat, lon);
h = Utility::num<real>(strc);
}
std::string strd;
if (str >> strd)
throw GeographicErr("Extraneous input: " + strd);
if (reverse) {
if (localcartesian)
lc.Reverse(x, y, z, lat, lon, h);
else
ec.Reverse(x, y, z, lat, lon, h);
*output << Utility::str(lat, 15 + Math::extra_digits()) << " "
<< Utility::str(lon, 15 + Math::extra_digits()) << " "
<< Utility::str(h, 12 + Math::extra_digits()) << eol;
} else {
if (localcartesian)
lc.Forward(lat, lon, h, x, y, z);
else
ec.Forward(lat, lon, h, x, y, z);
*output << Utility::str(x, 10 + Math::extra_digits()) << " "
<< Utility::str(y, 10 + Math::extra_digits()) << " "
<< Utility::str(z, 10 + Math::extra_digits()) << eol;
}
}
catch (const std::exception& e) {
*output << "ERROR: " << e.what() << "\n";
retval = 1;
}
}
return retval;
}
catch (const std::exception& e) {
std::cerr << "Caught exception: " << e.what() << "\n";
return 1;
}
catch (...) {
std::cerr << "Caught unknown exception\n";
return 1;
}
}
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