27 lines
776 B
C++
27 lines
776 B
C++
// Example of using the GeographicLib::MagneticModel class
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// This requires that the wmm2010 magnetic model be installed; see
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// https://geographiclib.sourceforge.io/C++/doc/magnetic.html#magneticinst
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#include <iostream>
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#include <exception>
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#include <GeographicLib/MagneticModel.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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MagneticModel mag("wmm2010");
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double lat = 27.99, lon = 86.93, h = 8820, t = 2012; // Mt Everest
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double Bx, By, Bz;
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mag(t, lat,lon, h, Bx, By, Bz);
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double H, F, D, I;
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MagneticModel::FieldComponents(Bx, By, Bz, H, F, D, I);
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cout << H << " " << F << " " << D << " " << I << "\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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