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geocoordinatecalculator
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geocoordinatecalculator/main.cpp

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C++
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#include "./main.h"
#include "./location.h"
#include "resources/config.h"
#include <c++utilities/application/argumentparser.h>
#include <c++utilities/misc/parseerror.h>
#include <c++utilities/conversion/stringbuilder.h>
#include <c++utilities/conversion/stringconversion.h>
#include <cstring>
#include <fstream>
#include <iostream>
using namespace std;
using namespace CppUtilities;
Angle::AngularMeasure inputAngularMeasure = Angle::AngularMeasure::Degree;
Angle::OutputForm outputFormForAngles = Angle::OutputForm::Degrees;
SystemForLocations inputSystemForLocations = SystemForLocations::LatitudeLongitude;
SystemForLocations outputSystemForLocations = SystemForLocations::LatitudeLongitude;
int main(int argc, char *argv[])
{
SET_APPLICATION_INFO;
ArgumentParser argparser;
Argument convert("convert", 'c', "Converts the given coordinate or location to the specified output form.");
convert.setRequiredValueCount(1);
convert.appendValueName("coordinate/location");
Argument distance("distance", 'd', "Computes the approximate distance in meters between two locations.");
distance.setRequiredValueCount(2);
distance.appendValueName("location 1");
distance.appendValueName("location 2");
Argument trackLength("track-length", 't',
"Computes the approximate length in meters of a track given by a file containing trackpoints separated by new lines.");
Argument fileArg("file", 'f', "Specifies the file containing the track points");
fileArg.setRequiredValueCount(1);
fileArg.appendValueName("path");
fileArg.setRequired(true);
Argument circle(
"circle", '\0', "If present the distance between the first and the last trackpoints will be added to the total track length.");
trackLength.setSubArguments({ &fileArg, &circle });
Argument bearing("bearing", 'b',
"Computes the approximate initial bearing East of true North when traveling along the shortest path between the given locations.");
bearing.setRequiredValueCount(2);
bearing.appendValueName("location 1");
bearing.appendValueName("location 2");
Argument fbearing("final-bearing", '\0',
"Computes the approximate final bearing East of true North when traveling along the shortest path between the given locations.");
fbearing.setRequiredValueCount(2);
fbearing.appendValueName("location 1");
fbearing.appendValueName("location 2");
Argument midpoint("midpoint", 'm', "Computes the approximate midpoint between the given locations.");
midpoint.setRequiredValueCount(2);
midpoint.appendValueName("location 1");
midpoint.appendValueName("location 2");
Argument destination("destination", '\0', "Calculates destination point given distance and bearing from start point.");
destination.setRequiredValueCount(3);
destination.appendValueName("start");
destination.appendValueName("distance");
destination.appendValueName("bearing");
Argument gmapsLink(
"gmaps-link", '\0', "Generates a Google Maps link for all locations given by a file containing locations separated by new lines.");
gmapsLink.setRequiredValueCount(1);
gmapsLink.appendValueName("path");
Argument inputAngularMeasureArg("input-angular-measure", 'i',
"Use this option to specify the angular measure you use to provide angles (degree or radian; default is degree).");
inputAngularMeasureArg.setRequiredValueCount(1);
inputAngularMeasureArg.appendValueName("angular measure");
inputAngularMeasureArg.setCombinable(true);
Argument outputFormForAnglesArg("output-angle-form", 'o',
"Use this option to specify the output form for angles (degrees, minutes, seconds or radians; default is degrees).");
outputFormForAnglesArg.setRequiredValueCount(1);
outputFormForAnglesArg.appendValueName("form");
outputFormForAnglesArg.setCombinable(true);
Argument inputSystemForLocationsArg("input-location-system", '\0',
"Use this option to specify the geographic system you use to provide locations (latitude&longitue or UTM-WGS84).");
inputSystemForLocationsArg.setRequiredValueCount(1);
inputSystemForLocationsArg.appendValueName("system");
inputSystemForLocationsArg.setCombinable(true);
Argument outputSystemForLocationsArg("output-location-system", '\0',
"Use this option to specify which geographic system is used to display locations (latitude&longitue or UTM-WGS84).");
outputSystemForLocationsArg.setRequiredValueCount(1);
outputSystemForLocationsArg.appendValueName("system");
outputSystemForLocationsArg.setCombinable(true);
HelpArgument help(argparser);
Argument version("version", 'v', "Shows the version of this application.");
argparser.setMainArguments({ &help, &convert, &distance, &trackLength, &bearing, &fbearing, &midpoint, &destination, &gmapsLink,
&inputAngularMeasureArg, &outputFormForAnglesArg, &inputSystemForLocationsArg, &outputSystemForLocationsArg, &version });
argparser.parseArgs(argc, argv);
if (inputAngularMeasureArg.isPresent()) {
const char *inputFormat = inputAngularMeasureArg.values().front();
if (!strcmp(inputFormat, "radian")) {
inputAngularMeasure = Angle::AngularMeasure::Radian;
} else if (!strcmp(inputFormat, "degree")) {
inputAngularMeasure = Angle::AngularMeasure::Degree;
} else {
cerr << "Invalid angular measure given, see --help." << endl;
return 0;
}
}
if (outputFormForAnglesArg.isPresent()) {
const char *outputFormat = outputFormForAnglesArg.values().front();
if (!strcmp(outputFormat, "degrees")) {
outputFormForAngles = Angle::OutputForm::Degrees;
} else if (!strcmp(outputFormat, "minutes")) {
outputFormForAngles = Angle::OutputForm::Minutes;
} else if (!strcmp(outputFormat, "seconds")) {
outputFormForAngles = Angle::OutputForm::Seconds;
} else if (!strcmp(outputFormat, "radians")) {
outputFormForAngles = Angle::OutputForm::Radians;
} else {
cerr << "Invalid output form for angles given, see --help." << endl;
return 0;
}
}
if (inputSystemForLocationsArg.isPresent()) {
const char *inputFormat = inputSystemForLocationsArg.values().front();
if (!strcmp(inputFormat, "latitude&longitue")) {
inputSystemForLocations = SystemForLocations::LatitudeLongitude;
} else if (!strcmp(inputFormat, "UTM-WGS84")) {
inputSystemForLocations = SystemForLocations::UTMWGS84;
} else {
cerr << "Invalid geographic coordinate system given, see --help." << endl;
return 0;
}
}
if (outputSystemForLocationsArg.isPresent()) {
const char *outputSystem = outputSystemForLocationsArg.values().front();
if (!strcmp(outputSystem, "latitude&longitue")) {
outputSystemForLocations = SystemForLocations::LatitudeLongitude;
} else if (!strcmp(outputSystem, "UTM-WGS84")) {
outputSystemForLocations = SystemForLocations::UTMWGS84;
} else {
cerr << "Invalid geographic coordinate system given, see --help." << endl;
return 0;
}
}
try {
if (help.isPresent()) {
cout << endl;
printAngleFormatInfo(cout);
} else if (version.isPresent()) {
cout << APP_VERSION;
} else if (convert.isPresent()) {
printConversion(convert.values().front());
} else if (distance.isPresent()) {
printDistance(distance.values()[0], distance.values()[1]);
} else if (trackLength.isPresent()) {
printTrackLength(fileArg.values().front(), circle.isPresent());
} else if (bearing.isPresent()) {
printBearing(bearing.values()[0], bearing.values()[1]);
} else if (fbearing.isPresent()) {
printFinalBearing(fbearing.values()[0], fbearing.values()[1]);
} else if (midpoint.isPresent()) {
printMidpoint(midpoint.values()[0], midpoint.values()[1]);
} else if (destination.isPresent()) {
printDestination(destination.values()[0], destination.values()[1], destination.values()[2]);
} else if (gmapsLink.isPresent()) {
printMapsLink(gmapsLink.values().front());
} else {
cerr << "No arguments given. See --help for available commands.";
}
} catch (const ConversionException &) {
cerr << "The provided numbers couldn't be parsed correctly." << endl;
cerr << endl;
printAngleFormatInfo(cerr);
} catch (const ParseError &ex) {
cerr << "The provided locations/coordinates couldn't be parsed correctly: " << ex.what() << endl;
cerr << endl;
printAngleFormatInfo(cerr);
}
cout << endl;
return 0;
}
Location locationFromString(const string &userInput)
{
switch (inputSystemForLocations) {
case SystemForLocations::UTMWGS84: {
Location l;
l.setValueByProvidedUtmWgs4Coordinates(userInput);
return l;
}
default:
return Location(userInput, inputAngularMeasure);
}
}
vector<Location> locationsFromFile(const string &path)
{
// prepare reading
fstream file;
file.open(path, ios_base::in);
if (!file) {
throw std::ios_base::failure("Unable to open the file \"" % path + "\".");
}
file.exceptions(ios_base::badbit);
string line;
vector<Location> locations;
while (getline(file, line)) {
if (line.empty() || line.at(0) == '#')
continue; // skip empty lines and comments
locations.push_back(locationFromString(line));
}
return locations;
}
void printAngleFormatInfo(ostream &os)
{
os << "To provide a location/trackpoint, use the following form:\n";
os << "latitude,longitude\n";
os << "\nUse one of the following forms to specify angles, if you use --input-angle-measure degree:\n";
os << "[+-]DDD.DDDDD\n";
os << "[+-]DDD:MM.MMMMM\n";
os << "[+-]DDD:MM:SS.SSSSS\n";
os << "D indicates degrees, M indicates minutes of arc, and S indicates seconds of arc (1 minute = 1/60th of a degree, 1 second = 1/3600th of a "
"degree).\n";
os << "You can use the following form where R indicates radians, if you use --input-angle-measure radian:\n";
os << "[+-]RRR.RRRRR";
}
void printConversion(const string &coordinates)
{
if (coordinates.find(',') == string::npos && coordinates.find('N') == string::npos && coordinates.find('E') == string::npos)
cout << Angle(coordinates, inputAngularMeasure).toString(outputFormForAngles);
else
printLocation(locationFromString(coordinates));
}
void printDistance(const std::string &locationstr1, const std::string &locationstr2)
{
printDistance(locationFromString(locationstr1).distanceTo(locationFromString(locationstr2)));
}
void printDistance(double distance)
{
if (distance > 1000)
cout << (distance / 1000.0) << " km";
else
cout << distance << " m";
}
void printTrackLength(const string &filePath, bool circle)
{
try {
vector<Location> locations(locationsFromFile(filePath));
printDistance(Location::trackLength(locations, circle));
cout << " (" << locations.size() << " trackpoints)";
} catch (const std::ios_base::failure &failure) {
cout << "An IO failure occurred when reading file from provided path: " << failure.what() << endl;
}
}
void printBearing(const string &locationstr1, const string &locationstr2)
{
cout << locationFromString(locationstr1).initialBearingTo(locationFromString(locationstr2)).toString(outputFormForAngles) << endl;
}
void printFinalBearing(const string &locationstr1, const string &locationstr2)
{
cout << locationFromString(locationstr1).finalBearingTo(locationFromString(locationstr2)).toString(outputFormForAngles) << endl;
}
void printMidpoint(const string &locationstr1, const string &locationstr2)
{
printLocation(Location::midpoint(locationFromString(locationstr1), locationFromString(locationstr2)));
}
void printDestination(const string &locationstr, const string &distancestr, const string &bearingstr)
{
Location start = locationFromString(locationstr);
double distance = stringToNumber<double>(distancestr);
Angle bearing(bearingstr, inputAngularMeasure);
printLocation(start.destination(distance, bearing));
}
void printLocation(const Location &location)
{
switch (outputSystemForLocations) {
case SystemForLocations::LatitudeLongitude:
cout << location.toString(outputFormForAngles);
break;
case SystemForLocations::UTMWGS84:
cout << location.toUtmWgs4String();
break;
}
}
void printMapsLink(const string &filePath)
{
try {
vector<Location> locations(locationsFromFile(filePath));
if (locations.size() > 0) {
cout << "https://maps.google.de/maps?saddr=";
const Angle::OutputForm outputForm = Angle::OutputForm::Degrees;
cout << locations.front().toString(outputForm);
if (locations.size() > 1) {
cout << "&daddr=";
cout << locations.at(1).toString(outputForm);
}
if (locations.size() > 2) {
for (vector<Location>::const_iterator i = locations.cbegin() + 2, end = locations.cend(); i != end; ++i) {
cout << "+to:";
cout << i->toString(outputForm);
}
}
cout << "&mra=mi&mrsp=2&sz=16&z=16";
} else {
throw ParseError("At least one location is required to generate a link.");
}
} catch (const std::ios_base::failure &failure) {
cout << "An IO failure occurred when reading file from provided path: " << failure.what() << endl;
}
}
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