torsten
77c67c12ca
Entire-Metadata: .entire/metadata/fb87247f-2a75-407e-b336-cbc8c20ba5a6 Entire-Session: fb87247f-2a75-407e-b336-cbc8c20ba5a6 Entire-Strategy: manual-commit
28 lines
813 B
C++
28 lines
813 B
C++
// Example of using the GeographicLib::Geoid class
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// This requires that the egm96-5 geoid model be installed; see
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// https://geographiclib.sourceforge.io/C++/doc/geoid.html#geoidinst
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#include <iostream>
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#include <exception>
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#include <GeographicLib/Geoid.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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Geoid egm96("egm96-5");
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// Convert height above egm96 to height above the ellipsoid
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double lat = 42, lon = -75, height_above_geoid = 20;
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double
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geoid_height = egm96(lat, lon),
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height_above_ellipsoid = (height_above_geoid +
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Geoid::GEOIDTOELLIPSOID * geoid_height);
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cout << height_above_ellipsoid << "\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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