Backproject.h

#pragma once
 
#include <isce3/container/forward.h>
#include <isce3/cuda/container/forward.h>
#include <isce3/cuda/geometry/forward.h>
#include <isce3/geometry/forward.h>
 
#include <complex>
 
#include <isce3/core/Kernels.h>
#include <isce3/error/ErrorCode.h>
#include <isce3/focus/Backproject.h>
#include <isce3/focus/DryTroposphereModel.h>
#include <isce3/geometry/detail/Geo2Rdr.h>
#include <isce3/geometry/detail/Rdr2Geo.h>
 
namespace isce3 { namespace cuda { namespace focus {
 
using isce3::focus::DryTroposphereModel;
using isce3::geometry::detail::Geo2RdrBracketParams;
using isce3::geometry::detail::Rdr2GeoBracketParams;

// XXX must pass dem by non-const reference
// XXX const gpuDEMInterpolator cannot be copied due to implementation details
template<class Kernel>
isce3::error::ErrorCode
backproject(std::complex<float>* out,
            const isce3::cuda::container::RadarGeometry& out_geometry,
            const std::complex<float>* in,
            const isce3::cuda::container::RadarGeometry& in_geometry,
            isce3::cuda::geometry::gpuDEMInterpolator& dem, double fc,
            double ds, const Kernel& kernel,
            DryTroposphereModel dry_tropo_model = DryTroposphereModel::TSX,
            const Rdr2GeoBracketParams& rdr2geo_params = {},
            const Geo2RdrBracketParams& geo2rdr_params = {},
            int batch = 1024, float* height = nullptr);

isce3::error::ErrorCode
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 Rdr2GeoBracketParams& rdr2geo_params = {},
            const Geo2RdrBracketParams& geo2rdr_params = {},
            int batch = 1024, float* height = nullptr);
 
}}} // namespace isce3::cuda::focus