SatelliteCameraViewer.misc module

misc

SatelliteCameraViewer.misc.arcseconds_to_radians(arcsec)[source]

arcseconds_to_radians - convert arcseconds to radians

Parameters:: arcsec (float) – An arcsecond - which is a tiny unit of angular measurement. I.e. 1/60’th of 1/60’th of a degree.
Returns:: The angular value in radians.
Return type:: float

SatelliteCameraViewer.misc.mag_map(mag, multiplier=1.0)[source]

mag_map - convert star magnitude to pixel size.

Parameters:

mag (float | list[float] | numpy.ndarray) – An array of magnitudes
multiplier (float) – Scaling factor for pixel size

Returns:

An array of pixel sizes ready to plot

Return type:

float | list[float] | numpy.ndarray

SatelliteCameraViewer.misc.ra_fix(ra_rad)[source]

ra_fix - correct RA values for mollweide projection.

Parameters:: ra_rad (list[float] | numpy.ndarray) – An array of radians describing the right ascension (RA) of a star.
Returns:: RA corrected values for mollweide projection.
Return type:: list[float]

SatelliteCameraViewer.misc.split_plot_mollweide_line(ra_rad_or_deg, dec_rad_or_deg, is_radians=False)[source]

split_plot_mollweide_line - Plot a line on a Mollweide projection, splitting into multiple segments when crossing RA = +/- PI. No off-by-one errors.

Parameters:

ra_deg (list[float]) – An array of ra values
dec_deg (list[float]) – An array of dec values
is_radians (bool) – Control radians or degrees

Returns:

A list of segments to plot on a mollweide graph.

Return type:

list

SatelliteCameraViewer.misc.split_plot_mollweide_line_ra_dec_deg(ra_dec_deg: list[tuple[float, float]])[source]

split_plot_mollweide_line_ra_dec_deg - Plot a line on a Mollweide projection, splitting into multiple segments when crossing RA = +/- PI. No off-by-one errors.

Parameters:: ra_dec_deg (list[tuple[float,float]]) – An array of (ra,dec) values
Returns:: A list of segments to plot on a mollweide graph.
Return type:: list