RSD.h

#pragma once

#include <complex>
#include <vector>

#include <isce3/core/DateTime.h>
#include <isce3/core/LookSide.h>
#include <isce3/io/gdal/Raster.h>

namespace isce3 { namespace container {

class RSD {
public:
    RSD(const isce3::io::gdal::Raster & signal_data,
        const isce3::core::DateTime & reference_epoch,
        const std::vector<double> & azimuth_time,
        double range_window_start,
        double range_sampling_rate,
        isce3::core::LookSide look_side);

    int lines() const { return _signal_data.length(); }

    int samples() const { return _signal_data.width(); }

    const isce3::core::DateTime & referenceEpoch() const { return _reference_epoch; }

    double azimuthStartTime() const { return _azimuth_time[0]; }

    double azimuthMidTime() const { return 0.5 * azimuthStartTime() + 0.5 * azimuthEndTime(); }

    double azimuthEndTime() const { return _azimuth_time[lines() - 1]; }

    isce3::core::DateTime startDateTime() const;

    isce3::core::DateTime midDateTime() const;

    isce3::core::DateTime endDateTime() const;

    double rangeWindowStartTime() const { return _range_window_start; }

    double rangeWindowMidTime() const;

    double rangeWindowEndTime() const;

    double rangeSamplingRate() const { return _range_sampling_rate; }

    isce3::core::LookSide lookSide() const { return _look_side; }

    void readLine(std::complex<float> * dst, int line) const;

    void readLines(std::complex<float> * dst, int first_line, int num_lines) const;

    void readAll(std::complex<float> * dst) const { return _signal_data.readAll(dst); }

    const isce3::io::gdal::Raster & signalData() const { return _signal_data; }

    const std::vector<double> & azimuthTime() const { return _azimuth_time; }

private:
    isce3::io::gdal::Raster _signal_data;
    isce3::core::DateTime _reference_epoch;
    std::vector<double> _azimuth_time;
    double _range_window_start;
    double _range_sampling_rate;
    isce3::core::LookSide _look_side;
};

}}

#define ISCE_CONTAINER_RSD_ICC
#include "RSD.icc"
#undef ISCE_CONTAINER_RSD_ICC