examples/example-LocalCartesian.cpp
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1 // Example of using the GeographicLib::LocalCartesian class
2 
3 #include <iostream>
4 #include <exception>
5 #include <cmath>
8 
9 using namespace std;
10 using namespace GeographicLib;
11 
12 int main() {
13  try {
14  Geocentric earth(Constants::WGS84_a(), Constants::WGS84_f());
15  // Alternatively: const Geocentric& earth = Geocentric::WGS84();
16  const double lat0 = 48 + 50/60.0, lon0 = 2 + 20/60.0; // Paris
17  LocalCartesian proj(lat0, lon0, 0, earth);
18  {
19  // Sample forward calculation
20  double lat = 50.9, lon = 1.8, h = 0; // Calais
21  double x, y, z;
22  proj.Forward(lat, lon, h, x, y, z);
23  cout << x << " " << y << " " << z << "\n";
24  }
25  {
26  // Sample reverse calculation
27  double x = -38e3, y = 230e3, z = -4e3;
28  double lat, lon, h;
29  proj.Reverse(x, y, z, lat, lon, h);
30  cout << lat << " " << lon << " " << h << "\n";
31  }
32  }
33  catch (const exception& e) {
34  cerr << "Caught exception: " << e.what() << "\n";
35  return 1;
36  }
37 }
e
Array< double, 1, 3 > e(1./3., 0.5, 2.)
GeographicLib
Namespace for GeographicLib.
Definition: JacobiConformal.hpp:15
GeographicLib::LocalCartesian::Forward
void Forward(real lat, real lon, real h, real &x, real &y, real &z) const
Definition: LocalCartesian.hpp:104
x
set noclip points set clip one set noclip two set bar set border lt lw set xdata set ydata set zdata set x2data set y2data set boxwidth set dummy x
Definition: gnuplot_common_settings.hh:12
h
const double h
Definition: testSimpleHelicopter.cpp:19
GeographicLib::Geocentric
Geocentric coordinates
Definition: Geocentric.hpp:67
Geocentric.hpp
Header for GeographicLib::Geocentric class.
example::lat0
const double lat0
Definition: testGPSFactor.cpp:41
example::lon0
const double lon0
Definition: testGPSFactor.cpp:41
GeographicLib::LocalCartesian::Reverse
void Reverse(real x, real y, real z, real &lat, real &lon, real &h) const
Definition: LocalCartesian.hpp:159
pybind_wrapper_test_script.z
z
Definition: pybind_wrapper_test_script.py:61
y
Scalar * y
Definition: level1_cplx_impl.h:124
std
Definition: BFloat16.h:88
LocalCartesian.hpp
Header for GeographicLib::LocalCartesian class.
GeographicLib::LocalCartesian
Local cartesian coordinates.
Definition: LocalCartesian.hpp:38
lon
static const double lon
Definition: testGeographicLib.cpp:34
main
int main()
Definition: examples/example-LocalCartesian.cpp:12
lat
static const double lat
Definition: testGeographicLib.cpp:34


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autogenerated on Sun Dec 22 2024 04:11:31