34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// Example of using the GeographicLib::SphericalHarmonic1 class
|
|
|
|
#include <iostream>
|
|
#include <exception>
|
|
#include <vector>
|
|
#include <GeographicLib/SphericalHarmonic1.hpp>
|
|
|
|
using namespace std;
|
|
using namespace GeographicLib;
|
|
|
|
int main() {
|
|
try {
|
|
int N = 3, N1 = 2; // The maxium degrees
|
|
double ca[] = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; // cosine coefficients
|
|
vector<double> C(ca, ca + (N + 1) * (N + 2) / 2);
|
|
double sa[] = {6, 5, 4, 3, 2, 1}; // sine coefficients
|
|
vector<double> S(sa, sa + N * (N + 1) / 2);
|
|
double cb[] = {1, 2, 3, 4, 5, 6};
|
|
vector<double> C1(cb, cb + (N1 + 1) * (N1 + 2) / 2);
|
|
double sb[] = {3, 2, 1};
|
|
vector<double> S1(sb, sb + N1 * (N1 + 1) / 2);
|
|
double a = 1;
|
|
SphericalHarmonic1 h(C, S, N, C1, S1, N1, a);
|
|
double tau = 0.1, x = 2, y = 3, z = 1;
|
|
double v, vx, vy, vz;
|
|
v = h(tau, x, y, z, vx, vy, vz);
|
|
cout << v << " " << vx << " " << vy << " " << vz << "\n";
|
|
}
|
|
catch (const exception& e) {
|
|
cerr << "Caught exception: " << e.what() << "\n";
|
|
return 1;
|
|
}
|
|
}
|