cd_spectrum_new ()

CdSpectrum *
cd_spectrum_new (void);

Allocates a spectrum.

Since: 1.1.6

cd_spectrum_sized_new ()

CdSpectrum *
cd_spectrum_sized_new (guint reserved_size);

Allocates a spectrum with a preallocated size.

Since: 1.1.6

cd_spectrum_planckian_new ()

CdSpectrum *
cd_spectrum_planckian_new (gdouble temperature);

Allocates a Planckian spectrum at a specific temperature.

Since: 1.1.6

cd_spectrum_planckian_new_full ()

CdSpectrum *
cd_spectrum_planckian_new_full (gdouble temperature,
                                gdouble start,
                                gdouble end,
                                gdouble resolution);

Allocates a Planckian spectrum at a specific temperature.

Since: 1.3.1

cd_spectrum_free ()

void
cd_spectrum_free (CdSpectrum *spectrum);

Deallocates a color spectrum.

Since: 1.1.6

cd_spectrum_dup ()

CdSpectrum *
cd_spectrum_dup (const CdSpectrum *spectrum);

Since: 1.1.6

cd_spectrum_limit_min ()

void
cd_spectrum_limit_min (CdSpectrum *spectrum,
                       gdouble value);

Ensures no values in the spectrum fall below a set limit. If they are found, set them to value .

Since: 1.3.1

cd_spectrum_limit_max ()

void
cd_spectrum_limit_max (CdSpectrum *spectrum,
                       gdouble value);

Ensures no values in the spectrum fall above a set limit. If they are found, set them to value .

Since: 1.3.1

cd_spectrum_normalize ()

void
cd_spectrum_normalize (CdSpectrum *spectrum,
                       gdouble wavelength,
                       gdouble value);

Normalizes a spectrum to a specific value at a specific wavelength.

Since: 1.1.6

cd_spectrum_normalize_max ()

void
cd_spectrum_normalize_max (CdSpectrum *spectrum,
                           gdouble value);

Normalizes a spectrum to a specific value at its maximum value.

Since: 1.2.6

cd_spectrum_subtract ()

CdSpectrum *
cd_spectrum_subtract (CdSpectrum *s1,
                      CdSpectrum *s2,
                      gdouble resolution);

Subtracts one spectral plot from another. If the spectra have the same start, end and the same number of data points they are not resampled.

Since: 1.3.1

cd_spectrum_to_string ()

gchar *
cd_spectrum_to_string (CdSpectrum *spectrum,
                       guint max_width,
                       guint max_height);

Returns a graphical representation of the spectrum.

Since: 1.3.1

cd_spectrum_get_id ()

const gchar *
cd_spectrum_get_id (const CdSpectrum *spectrum);

Gets the spectral data.

Since: 1.1.6

cd_spectrum_get_data ()

GArray *
cd_spectrum_get_data (const CdSpectrum *spectrum);

Gets the spectral data. NOTE: This is not normalized

Since: 1.1.6

cd_spectrum_get_start ()

gdouble
cd_spectrum_get_start (const CdSpectrum *spectrum);

Gets the start value of the spectral data.

Since: 1.1.6

cd_spectrum_get_end ()

gdouble
cd_spectrum_get_end (const CdSpectrum *spectrum);

Gets the end value of the spectral data.

Since: 1.1.6

cd_spectrum_get_norm ()

gdouble
cd_spectrum_get_norm (const CdSpectrum *spectrum);

Gets the normalization value of the spectral data. NOTE: This affects every value in the spectrum.

Since: 1.1.6

cd_spectrum_get_resolution ()

gdouble
cd_spectrum_get_resolution (const CdSpectrum *spectrum);

Gets the divisor of the spectra, for instance a .

Since: 1.2.6

cd_spectrum_get_size ()

guint
cd_spectrum_get_size (const CdSpectrum *spectrum);

Gets the size of the spectrum data.

Since: 1.1.6

cd_spectrum_get_value_max ()

gdouble
cd_spectrum_get_value_max (const CdSpectrum *spectrum);

Gets the largest normalised value in the spectrum.

Since: 1.3.1

cd_spectrum_get_value_min ()

gdouble
cd_spectrum_get_value_min (const CdSpectrum *spectrum);

Gets the smallest normalised value in the spectrum.

Since: 1.3.1

cd_spectrum_get_value ()

gdouble
cd_spectrum_get_value (const CdSpectrum *spectrum,
                       guint idx);

Gets the spectrum data at a specified index.

Since: 1.1.6

cd_spectrum_get_value_raw ()

gdouble
cd_spectrum_get_value_raw (const CdSpectrum *spectrum,
                           guint idx);

Gets the spectrum data at a specified index, without any normalization applied. Most people should use cd_spectrum_get_value() instead.

Since: 1.2.6

cd_spectrum_get_wavelength ()

gdouble
cd_spectrum_get_wavelength (const CdSpectrum *spectrum,
                            guint idx);

Gets the wavelenth that corresponds to the specified index.

Since: 1.1.6

cd_spectrum_get_value_for_nm ()

gdouble
cd_spectrum_get_value_for_nm (const CdSpectrum *spectrum,
                              gdouble wavelength);

Gets the value from the spectral data for a given wavelength.

Since: 1.1.6

cd_spectrum_set_id ()

void
cd_spectrum_set_id (CdSpectrum *spectrum,
                    const gchar *id);

Sets a spectrum id.

Since: 1.1.6

cd_spectrum_set_data ()

void
cd_spectrum_set_data (CdSpectrum *spectrum,
                      GArray *value);

Sets the spectrum data.

Since: 1.1.6

cd_spectrum_set_start ()

void
cd_spectrum_set_start (CdSpectrum *spectrum,
                       gdouble start);

Set the start value of the spectal data in nm.

Since: 1.1.6

cd_spectrum_set_end ()

void
cd_spectrum_set_end (CdSpectrum *spectrum,
                     gdouble end);

Set the end value of the spectal data in nm.

If there is already spectral data, the wavelength calibration will also be set automatically.

Since: 1.1.6

cd_spectrum_set_norm ()

void
cd_spectrum_set_norm (CdSpectrum *spectrum,
                      gdouble norm);

Set the normalization value of the spectrum. NOTE: This affects every value in the spectrum.

Since: 1.1.6

cd_spectrum_set_value ()

void
cd_spectrum_set_value (CdSpectrum *spectrum,
                       guint idx,
                       gdouble data);

Overwrites the spectrum data at a specified index.

Since: 1.2.6

cd_spectrum_add_value ()

void
cd_spectrum_add_value (CdSpectrum *spectrum,
                       gdouble data);

Adds a value in nm to the spectrum.

Since: 1.1.6

cd_spectrum_set_wavelength_cal ()

void
cd_spectrum_set_wavelength_cal (CdSpectrum *spectrum,
                                gdouble c1,
                                gdouble c2,
                                gdouble c3);

Sets the calibration coefficients used to map pixel indexes to wavelengths.

This function will set the 'end' wavelength automatically, potentially overwriting the value set by cd_spectrum_set_end().

Since: 1.3.1

cd_spectrum_get_wavelength_cal ()

void
cd_spectrum_get_wavelength_cal (CdSpectrum *spectrum,
                                gdouble *c1,
                                gdouble *c2,
                                gdouble *c3);

Gets the calibration coefficients used to map pixel indexes to wavelengths.

Since: 1.3.1

cd_spectrum_multiply ()

CdSpectrum *
cd_spectrum_multiply (CdSpectrum *s1,
                      CdSpectrum *s2,
                      gdouble resolution);

Multiplies two spectra together.

Since: 1.1.6

cd_spectrum_multiply_scalar ()

CdSpectrum *
cd_spectrum_multiply_scalar (CdSpectrum *spectrum,
                             gdouble value);

Multiplies a spectra with a scalar value.

Since: 1.3.5

cd_spectrum_resample ()

CdSpectrum *
cd_spectrum_resample (CdSpectrum *spectrum,
                      gdouble start,
                      gdouble end,
                      gdouble resolution);

Resample a new spectrum with linear index to wavelength coefficients.

Since: 1.3.1

cd_spectrum_resample_to_size ()

CdSpectrum *
cd_spectrum_resample_to_size (CdSpectrum *spectrum,
                              guint size);

Resample a new spectrum with the desired number of points.

Since: 1.3.4