radec_to_camera

lstchain.reco.utils.radec_to_camera(sky_coordinate, obstime, pointing_alt, pointing_az, focal)

Coordinate transform from sky coordinate to camera coordinates (x, y) in distance

Parameters:

sky_coordinate: astropy.coordinates.sky_coordinate.SkyCoord

obstime: astropy.time.Time

pointing_alt: pointing altitude in angle unit

pointing_az: pointing altitude in angle unit

focal: astropy Quantity

Returns:

camera frame: astropy.coordinates.sky_coordinate.SkyCoord