spectrum_types.h

/*
 * This file is a part of the project "fbgsense", which is released under MIT license.
 * Copyright (c) 2022 Daniel Múèka, Masaryk University, Faculty of Informatics
 * See file LICENSE or visit https://opensource.org/licenses/MIT for full license details.
 */
 
#pragma once
 
#include <cstdint>
 
#define spectrum_unit_t float
 
typedef uint8_t channel_t;
typedef uint16_t parameter_t;
typedef spectrum_unit_t complex_t[2];
 
struct spectrum_point_t
{
    spectrum_unit_t wavelength;
    spectrum_unit_t intensity;
};
 
struct minmax_t
{
    spectrum_unit_t min;
    spectrum_unit_t max;
};
 
enum class extrema_type
{
    NONE,     // no sign change
    MINIMUM,  // sign change from - to +
    MAXIMUM   // sign change from + to -
};
 
enum class fit_type
{
    BIGAUSSIAN,
    GAUSSIAN,
    LINEAR,
};
 
enum class filter_type
{
    FFT,
    SAVGOL
};
 
enum class detection_type
{
    LOCAL_MAXIMA
};
 
enum class segment_type
{
    LOCAL_MINIMA,
    INFLECTION_POINTS
};
 
struct derivation_t
{
    spectrum_unit_t value{ 0 };
    extrema_type extrema{ extrema_type::NONE };
};
 
struct fit_settings_t
{
    bool enable{ false };
    bool force{ false };
    fit_type fitType{ fit_type::GAUSSIAN };
    bool equalize{ false };
};
 
struct point_t
{
    spectrum_unit_t x;
    spectrum_unit_t y;
};
 
struct bounds_t
{
    bool valid{ false };
    point_t bottomleft;
    point_t bottomright;
    point_t topleft;
    point_t topright;
};