ADD: new track message, Entity class and Position class
This commit is contained in:
Henry Winkel
406
libs/geographiclib/tools/GeodSolve.cpp
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406
libs/geographiclib/tools/GeodSolve.cpp
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@@ -0,0 +1,406 @@
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/**
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* \file GeodSolve.cpp
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* \brief Command line utility for geodesic calculations
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*
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* Copyright (c) Charles Karney (2009-2019) <charles@karney.com> and licensed
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* under the MIT/X11 License. For more information, see
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* https://geographiclib.sourceforge.io/
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*
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* See the <a href="GeodSolve.1.html">man page</a> for usage information.
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**********************************************************************/
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#include <iostream>
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#include <string>
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#include <sstream>
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#include <fstream>
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#include <GeographicLib/Geodesic.hpp>
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#include <GeographicLib/GeodesicLine.hpp>
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#include <GeographicLib/GeodesicExact.hpp>
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#include <GeographicLib/GeodesicLineExact.hpp>
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#include <GeographicLib/DMS.hpp>
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#include <GeographicLib/Utility.hpp>
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#if defined(_MSC_VER)
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// Squelch warnings about constant conditional expressions and potentially
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// uninitialized local variables
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# pragma warning (disable: 4127 4701)
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#endif
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#include "GeodSolve.usage"
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typedef GeographicLib::Math::real real;
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std::string LatLonString(real lat, real lon, int prec, bool dms, char dmssep,
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bool longfirst) {
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using namespace GeographicLib;
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std::string
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latstr = dms ? DMS::Encode(lat, prec + 5, DMS::LATITUDE, dmssep) :
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DMS::Encode(lat, prec + 5, DMS::NUMBER),
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lonstr = dms ? DMS::Encode(lon, prec + 5, DMS::LONGITUDE, dmssep) :
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DMS::Encode(lon, prec + 5, DMS::NUMBER);
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return
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(longfirst ? lonstr : latstr) + " " + (longfirst ? latstr : lonstr);
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}
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std::string AzimuthString(real azi, int prec, bool dms, char dmssep) {
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using namespace GeographicLib;
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return dms ? DMS::Encode(azi, prec + 5, DMS::AZIMUTH, dmssep) :
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DMS::Encode(azi, prec + 5, DMS::NUMBER);
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}
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std::string DistanceStrings(real s12, real a12,
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bool full, bool arcmode, int prec, bool dms) {
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using namespace GeographicLib;
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std::string s;
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if (full || !arcmode)
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s += Utility::str(s12, prec);
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if (full)
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s += " ";
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if (full || arcmode)
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s += DMS::Encode(a12, prec + 5, dms ? DMS::NONE : DMS::NUMBER);
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return s;
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}
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real ReadDistance(const std::string& s, bool arcmode, bool fraction = false) {
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using namespace GeographicLib;
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return fraction ? Utility::fract<real>(s) :
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(arcmode ? DMS::DecodeAngle(s) : Utility::val<real>(s));
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}
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int main(int argc, const char* const argv[]) {
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try {
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using namespace GeographicLib;
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enum { NONE = 0, LINE, DIRECT, INVERSE };
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Utility::set_digits();
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bool inverse = false, arcmode = false,
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dms = false, full = false, exact = false, unroll = false,
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longfirst = false, azi2back = false, fraction = false,
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arcmodeline = false;
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real
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a = Constants::WGS84_a(),
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f = Constants::WGS84_f();
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real lat1, lon1, azi1, lat2, lon2, azi2, s12, m12, a12, M12, M21, S12,
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mult = 1;
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int linecalc = NONE, prec = 3;
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std::string istring, ifile, ofile, cdelim;
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char lsep = ';', dmssep = char(0);
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for (int m = 1; m < argc; ++m) {
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std::string arg(argv[m]);
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if (arg == "-i") {
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inverse = true;
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linecalc = NONE;
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} else if (arg == "-a")
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arcmode = !arcmode;
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else if (arg == "-F")
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fraction = true;
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else if (arg == "-L" || arg == "-l") { // -l is DEPRECATED
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inverse = false;
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linecalc = LINE;
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if (m + 3 >= argc) return usage(1, true);
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try {
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DMS::DecodeLatLon(std::string(argv[m + 1]), std::string(argv[m + 2]),
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lat1, lon1, longfirst);
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azi1 = DMS::DecodeAzimuth(std::string(argv[m + 3]));
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}
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catch (const std::exception& e) {
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std::cerr << "Error decoding arguments of -L: " << e.what() << "\n";
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return 1;
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}
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m += 3;
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} else if (arg == "-D") {
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inverse = false;
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linecalc = DIRECT;
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if (m + 4 >= argc) return usage(1, true);
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try {
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DMS::DecodeLatLon(std::string(argv[m + 1]), std::string(argv[m + 2]),
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lat1, lon1, longfirst);
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azi1 = DMS::DecodeAzimuth(std::string(argv[m + 3]));
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s12 = ReadDistance(std::string(argv[m + 4]), arcmode);
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arcmodeline = arcmode;
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}
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catch (const std::exception& e) {
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std::cerr << "Error decoding arguments of -D: " << e.what() << "\n";
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return 1;
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}
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m += 4;
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} else if (arg == "-I") {
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inverse = false;
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linecalc = INVERSE;
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if (m + 4 >= argc) return usage(1, true);
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try {
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DMS::DecodeLatLon(std::string(argv[m + 1]), std::string(argv[m + 2]),
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lat1, lon1, longfirst);
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DMS::DecodeLatLon(std::string(argv[m + 3]), std::string(argv[m + 4]),
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lat2, lon2, longfirst);
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}
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catch (const std::exception& e) {
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std::cerr << "Error decoding arguments of -I: " << e.what() << "\n";
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return 1;
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}
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m += 4;
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} else if (arg == "-e") {
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if (m + 2 >= argc) return usage(1, true);
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try {
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a = Utility::val<real>(std::string(argv[m + 1]));
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f = Utility::fract<real>(std::string(argv[m + 2]));
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}
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catch (const std::exception& e) {
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std::cerr << "Error decoding arguments of -e: " << e.what() << "\n";
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return 1;
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}
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m += 2;
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} else if (arg == "-u")
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unroll = true;
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else if (arg == "-d") {
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dms = true;
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dmssep = '\0';
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} else if (arg == "-:") {
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dms = true;
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dmssep = ':';
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} else if (arg == "-w")
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longfirst = !longfirst;
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else if (arg == "-b")
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azi2back = true;
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else if (arg == "-f")
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full = true;
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else if (arg == "-p") {
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if (++m == argc) return usage(1, true);
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try {
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prec = Utility::val<int>(std::string(argv[m]));
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}
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catch (const std::exception&) {
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std::cerr << "Precision " << argv[m] << " is not a number\n";
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return 1;
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}
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} else if (arg == "-E")
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exact = true;
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else if (arg == "--input-string") {
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if (++m == argc) return usage(1, true);
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istring = argv[m];
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} else if (arg == "--input-file") {
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if (++m == argc) return usage(1, true);
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ifile = argv[m];
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} else if (arg == "--output-file") {
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if (++m == argc) return usage(1, true);
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ofile = argv[m];
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} else if (arg == "--line-separator") {
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if (++m == argc) return usage(1, true);
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if (std::string(argv[m]).size() != 1) {
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std::cerr << "Line separator must be a single character\n";
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return 1;
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}
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lsep = argv[m][0];
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} else if (arg == "--comment-delimiter") {
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if (++m == argc) return usage(1, true);
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cdelim = argv[m];
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} else if (arg == "--version") {
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std::cout << argv[0] << ": GeographicLib version "
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<< GEOGRAPHICLIB_VERSION_STRING << "\n";
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return 0;
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} else
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return usage(!(arg == "-h" || arg == "--help"), arg != "--help");
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}
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if (!ifile.empty() && !istring.empty()) {
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std::cerr << "Cannot specify --input-string and --input-file together\n";
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return 1;
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}
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if (ifile == "-") ifile.clear();
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std::ifstream infile;
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std::istringstream instring;
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if (!ifile.empty()) {
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infile.open(ifile.c_str());
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if (!infile.is_open()) {
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std::cerr << "Cannot open " << ifile << " for reading\n";
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return 1;
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}
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} else if (!istring.empty()) {
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std::string::size_type m = 0;
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while (true) {
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m = istring.find(lsep, m);
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if (m == std::string::npos)
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break;
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istring[m] = '\n';
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}
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instring.str(istring);
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}
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std::istream* input = !ifile.empty() ? &infile :
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(!istring.empty() ? &instring : &std::cin);
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std::ofstream outfile;
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if (ofile == "-") ofile.clear();
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if (!ofile.empty()) {
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outfile.open(ofile.c_str());
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if (!outfile.is_open()) {
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std::cerr << "Cannot open " << ofile << " for writing\n";
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return 1;
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}
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}
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std::ostream* output = !ofile.empty() ? &outfile : &std::cout;
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// GeodesicExact mask values are the same as Geodesic
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unsigned outmask = Geodesic::LATITUDE | Geodesic::LONGITUDE |
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Geodesic::AZIMUTH; // basic output quantities
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outmask |= inverse ? Geodesic::DISTANCE : // distance-related flags
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(arcmode ? Geodesic::NONE : Geodesic::DISTANCE_IN);
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// longitude unrolling
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outmask |= unroll ? Geodesic::LONG_UNROLL : Geodesic::NONE;
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// full output -- don't use Geodesic::ALL since this includes DISTANCE_IN
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outmask |= full ? (Geodesic::DISTANCE | Geodesic::REDUCEDLENGTH |
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Geodesic::GEODESICSCALE | Geodesic::AREA) :
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Geodesic::NONE;
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const Geodesic geods(a, f);
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const GeodesicExact geode(a, f);
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GeodesicLine ls;
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GeodesicLineExact le;
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if (linecalc) {
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if (linecalc == LINE) fraction = false;
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if (exact) {
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le = linecalc == DIRECT ?
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geode.GenDirectLine(lat1, lon1, azi1, arcmodeline, s12, outmask) :
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linecalc == INVERSE ?
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geode.InverseLine(lat1, lon1, lat2, lon2, outmask) :
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// linecalc == LINE
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geode.Line(lat1, lon1, azi1, outmask);
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mult = fraction ? le.GenDistance(arcmode) : 1;
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if (linecalc == INVERSE) azi1 = le.Azimuth();
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} else {
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ls = linecalc == DIRECT ?
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geods.GenDirectLine(lat1, lon1, azi1, arcmodeline, s12, outmask) :
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linecalc == INVERSE ?
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geods.InverseLine(lat1, lon1, lat2, lon2, outmask) :
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// linecalc == LINE
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geods.Line(lat1, lon1, azi1, outmask);
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mult = fraction ? ls.GenDistance(arcmode) : 1;
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if (linecalc == INVERSE) azi1 = ls.Azimuth();
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}
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}
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// Max precision = 10: 0.1 nm in distance, 10^-15 deg (= 0.11 nm),
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// 10^-11 sec (= 0.3 nm).
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prec = std::min(10 + Math::extra_digits(), std::max(0, prec));
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std::string s, eol, slat1, slon1, slat2, slon2, sazi1, ss12, strc;
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std::istringstream str;
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int retval = 0;
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while (std::getline(*input, s)) {
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try {
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eol = "\n";
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if (!cdelim.empty()) {
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std::string::size_type m = s.find(cdelim);
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if (m != std::string::npos) {
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eol = " " + s.substr(m) + "\n";
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s = s.substr(0, m);
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}
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}
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str.clear(); str.str(s);
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if (inverse) {
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if (!(str >> slat1 >> slon1 >> slat2 >> slon2))
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throw GeographicErr("Incomplete input: " + s);
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if (str >> strc)
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throw GeographicErr("Extraneous input: " + strc);
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DMS::DecodeLatLon(slat1, slon1, lat1, lon1, longfirst);
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DMS::DecodeLatLon(slat2, slon2, lat2, lon2, longfirst);
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a12 = exact ?
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geode.GenInverse(lat1, lon1, lat2, lon2, outmask,
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s12, azi1, azi2, m12, M12, M21, S12) :
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geods.GenInverse(lat1, lon1, lat2, lon2, outmask,
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s12, azi1, azi2, m12, M12, M21, S12);
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if (full) {
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if (unroll) {
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real e;
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lon2 = lon1 + Math::AngDiff(lon1, lon2, e);
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lon2 += e;
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} else {
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lon1 = Math::AngNormalize(lon1);
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lon2 = Math::AngNormalize(lon2);
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}
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*output << LatLonString(lat1, lon1, prec, dms, dmssep, longfirst)
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<< " ";
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}
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*output << AzimuthString(azi1, prec, dms, dmssep) << " ";
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if (full)
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*output << LatLonString(lat2, lon2, prec, dms, dmssep, longfirst)
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<< " ";
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if (azi2back) {
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using std::copysign;
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// map +/-0 -> -/+180; +/-180 -> -/+0
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// this depends on abs(azi2) <= 180
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azi2 = copysign(azi2 + copysign(real(Math::hd), -azi2), -azi2);
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}
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*output << AzimuthString(azi2, prec, dms, dmssep) << " "
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<< DistanceStrings(s12, a12, full, arcmode, prec, dms);
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if (full)
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*output << " " << Utility::str(m12, prec)
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<< " " << Utility::str(M12, prec+7)
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<< " " << Utility::str(M21, prec+7)
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<< " " << Utility::str(S12, std::max(prec-7, 0));
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*output << eol;
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} else {
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if (linecalc) {
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if (!(str >> ss12))
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throw GeographicErr("Incomplete input: " + s);
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if (str >> strc)
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throw GeographicErr("Extraneous input: " + strc);
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// In fraction mode input is read as a distance
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s12 = ReadDistance(ss12, !fraction && arcmode, fraction) * mult;
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a12 = exact ?
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le.GenPosition(arcmode, s12, outmask,
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lat2, lon2, azi2, s12, m12, M12, M21, S12) :
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ls.GenPosition(arcmode, s12, outmask,
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lat2, lon2, azi2, s12, m12, M12, M21, S12);
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} else {
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if (!(str >> slat1 >> slon1 >> sazi1 >> ss12))
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throw GeographicErr("Incomplete input: " + s);
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if (str >> strc)
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throw GeographicErr("Extraneous input: " + strc);
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DMS::DecodeLatLon(slat1, slon1, lat1, lon1, longfirst);
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azi1 = DMS::DecodeAzimuth(sazi1);
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s12 = ReadDistance(ss12, arcmode);
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a12 = exact ?
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geode.GenDirect(lat1, lon1, azi1, arcmode, s12, outmask,
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lat2, lon2, azi2, s12, m12, M12, M21, S12) :
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geods.GenDirect(lat1, lon1, azi1, arcmode, s12, outmask,
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lat2, lon2, azi2, s12, m12, M12, M21, S12);
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}
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if (full)
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*output
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<< LatLonString(lat1, unroll ? lon1 : Math::AngNormalize(lon1),
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prec, dms, dmssep, longfirst)
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<< " " << AzimuthString(azi1, prec, dms, dmssep) << " ";
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if (azi2back) {
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using std::copysign;
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// map +/-0 -> -/+180; +/-180 -> -/+0
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// this depends on abs(azi2) <= 180
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azi2 = copysign(azi2 + copysign(real(Math::hd), -azi2), -azi2);
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}
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*output << LatLonString(lat2, lon2, prec, dms, dmssep, longfirst)
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<< " " << AzimuthString(azi2, prec, dms, dmssep);
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if (full)
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*output << " "
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<< DistanceStrings(s12, a12, full, arcmode, prec, dms)
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<< " " << Utility::str(m12, prec)
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<< " " << Utility::str(M12, prec+7)
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<< " " << Utility::str(M21, prec+7)
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<< " " << Utility::str(S12, std::max(prec-7, 0));
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*output << eol;
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}
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}
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catch (const std::exception& e) {
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// Write error message cout so output lines match input lines
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*output << "ERROR: " << e.what() << "\n";
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retval = 1;
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}
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}
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return retval;
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}
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catch (const std::exception& e) {
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std::cerr << "Caught exception: " << e.what() << "\n";
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return 1;
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}
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catch (...) {
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std::cerr << "Caught unknown exception\n";
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return 1;
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}
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}
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