26 lines
743 B
C++
26 lines
743 B
C++
// Example of using the GeographicLib::NormalGravity class
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#include <iostream>
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#include <exception>
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#include <GeographicLib/NormalGravity.hpp>
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#include <GeographicLib/Constants.hpp>
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using namespace std;
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using namespace GeographicLib;
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int main() {
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try {
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NormalGravity grav(Constants::WGS84_a(), Constants::WGS84_GM(),
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Constants::WGS84_omega(), Constants::WGS84_f());
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// Alternatively: const NormalGravity& grav = NormalGravity::WGS84();
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double lat = 27.99, h = 8820; // Mt Everest
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double gammay, gammaz;
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grav.Gravity(lat, h, gammay, gammaz);
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cout << gammay << " " << gammaz << "\n";
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}
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catch (const exception& e) {
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cerr << "Caught exception: " << e.what() << "\n";
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return 1;
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}
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}
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