SAR_Model::SAR_Model(SAR_Metadata &InputMetadata, int Precision)
{
PrecisionIndex = Precision;
Metadata = InputMetadata;
StateVectorsRows.resize(PrecisionIndex*Metadata.Height);
// Computation of Lagrange coefficients using State Vectors position&velocity //
OrbitCoeff = LagrangeCoeff(Metadata.StateVectors);
// Computation of satellite position&velocity for each rows using Lagrange interpolator //
for (int i=0; i<PrecisionIndex*Metadata.Height; i++)
{
Time = Metadata.AzimutT0 + (Metadata.AzimutTi/PrecisionIndex)*i;
StateVectorsRows[i] = LagrangeInterpolation(Time,Metadata.StateVectors,OrbitCoeff);
}
}
int main()
{
double min = -5, max = 5;
uint64_t dim = 15;
double x[dim];
double y[dim];
double px;
for(uint64_t i = 0; i < dim; ++i)
x[i] = i*(max - min)/(dim - 1) + min, y[i] = cos(x[i]) - 2*sin(1.2*x[i]);
Lagrange L = CreateLagrange(x, y, dim);
for(uint64_t i = 0; i < dim*300; ++i)
px = i*(max - min)/(dim*300 - 1) + min, printf("%f %.15f\n", px, LagrangeInterpolation(px, L));
//printf("%f %f\n", x[i], LagrangeInterpolation(x[i], L));
//printf("%f %f\n", L.x[i], L.inv[i]);
DeleteLagrange(&L);
return 0;
}
