Backproject.h

#pragma once

#include <isce3/container/forward.h>
#include <isce3/core/forward.h>
#include <isce3/geometry/forward.h>

#include <complex>

#include "DryTroposphereModel.h"

namespace isce3 {
namespace focus {

struct Rdr2GeoParams {
    double threshold = 1e-8;
    int maxiter = 25;
    int extraiter = 15;
};

struct Geo2RdrParams {
    double threshold = 1e-8;
    int maxiter = 50;
    double delta_range = 10.;
};

void backproject(std::complex<float>* out,
                 const isce3::container::RadarGeometry& out_geometry,
                 const std::complex<float>* in,
                 const isce3::container::RadarGeometry& in_geometry,
                 const isce3::geometry::DEMInterpolator& dem,
                 double fc,
                 double ds,
                 const isce3::core::Kernel<float>& kernel,
                 DryTroposphereModel dry_tropo_model = DryTroposphereModel::TSX,
                 const Rdr2GeoParams& r2g_params = {},
                 const Geo2RdrParams& g2r_params = {});

} // namespace focus
} // namespace isce3