Spectrum

---

Object Hierarchy:

Description:

Content:

Creation methods:

• public Spectrum ()
  Allocates a spectrum.
• public Spectrum.planckian_new (double temperature)
  Allocates a Planckian spectrum at a specific temperature.
• public Spectrum.planckian_new_full (double temperature, double start, double end, double resolution)
  Allocates a Planckian spectrum at a specific temperature.
• public Spectrum.sized_new (uint reserved_size)
  Allocates a spectrum with a preallocated size.

Methods:

• public void add_value (double data)
  Adds a value in nm to the spectrum.
• public Spectrum dup ()
• public void free ()
  Deallocates a color spectrum.
• public unowned Array<double> get_data ()
  Gets the spectral data.
• public double get_end ()
  Gets the end value of the spectral data.
• public unowned string get_id ()
  Gets the spectral data.
• public double get_norm ()
  Gets the normalization value of the spectral data.
• public double get_resolution ()
  Gets the divisor of the spectra, for instance a .
• public uint get_size ()
  Gets the size of the spectrum data.
• public double get_start ()
  Gets the start value of the spectral data.
• public double get_value (uint idx)
  Gets the spectrum data at a specified index.
• public double get_value_for_nm (double wavelength)
  Gets the value from the spectral data for a given wavelength.
• public double get_value_max ()
  Gets the largest normalised value in the spectrum.
• public double get_value_min ()
  Gets the smallest normalised value in the spectrum.
• public double get_value_raw (uint idx)
  Gets the spectrum data at a specified index, without any normalization applied.
• public double get_wavelength (uint idx)
  Gets the wavelenth that corresponds to the specified index.
• public void get_wavelength_cal (double c1, double c2, double c3)
  Gets the calibration coefficients used to map pixel indexes to wavelengths.
• public void limit_max (double value)
  Ensures no values in the spectrum fall above a set limit.
• public void limit_min (double value)
  Ensures no values in the spectrum fall below a set limit.
• public Spectrum multiply (Spectrum s2, double resolution)
  Multiplies two spectra together.
• public Spectrum multiply_scalar (double value)
  Multiplies a spectra with a scalar value.
• public void normalize (double wavelength, double value)
  Normalizes a spectrum to a specific value at a specific wavelength.
• public void normalize_max (double value)
  Normalizes a spectrum to a specific value at its maximum value.
• public Spectrum resample (double start, double end, double resolution)
  Resample a new spectrum with linear index to wavelength coefficients.
• public Spectrum resample_to_size (uint size)
  Resample a new spectrum with the desired number of points.
• public void set_data (Array<double> value)
  Sets the spectrum data.
• public void set_end (double end)
  Set the end value of the spectal data in nm.
• public void set_id (string id)
  Sets a spectrum id.
• public void set_norm (double norm)
  Set the normalization value of the spectrum.
• public void set_start (double start)
  Set the start value of the spectal data in nm.
• public void set_value (uint idx, double data)
  Overwrites the spectrum data at a specified index.
• public void set_wavelength_cal (double c1, double c2, double c3)
  Sets the calibration coefficients used to map pixel indexes to wavelengths.
• public Spectrum subtract (Spectrum s2, double resolution)
  Subtracts one spectral plot from another.
• public string to_string (uint max_width, uint max_height)
  Returns a graphical representation of the spectrum.