em_rad_to_bright_temp.h

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#pragma once

 
#include "products/image/calibration_converter.h"
 
namespace satdump
{
    namespace calibration
    {
        namespace conv
        {
            class EmRadToBrightTempConverter : public ConverterBase
            {
            private:
                const bool celsius = false;
 
            public:
                EmRadToBrightTempConverter(bool celsius) : celsius(celsius) {}
 
                double convert(const UnitConverter *c, double x, double y, double val)
                {
                    if (val == CALIBRATION_INVALID_VALUE)
                        return val; // Special case
 
                    if (c->wavenumber == -1)
                        return CALIBRATION_INVALID_VALUE;
                    return radiance_to_temperature(val, c->wavenumber) - (celsius ? 273.15 : 0.0);
                }
 
                bool convert_range(const UnitConverter *c, double &min, double &max)
                {
                    min = convert(c, 0, 0, min);
                    max = convert(c, 0, 0, max);
                    return true;
                }
            };
        } // namespace conv
    } // namespace calibration
} // namespace satdump