sky_to_camera

lstchain.reco.utils.sky_to_camera(alt, az, focal, pointing_alt, pointing_az)

Coordinate transform from aky position (alt, az) (in angles) to camera coordinates (x, y) in distance.

Parameters:

alt: astropy Quantity

az: astropy Quantity

focal: astropy Quantity

pointing_alt: pointing altitude in angle unit

pointing_az: pointing altitude in angle unit

Returns:

camera frame: astropy.coordinates.sky_coordinate.SkyCoord