toast_tile_for_point

toasty.toast.toast_tile_for_point(depth, lat, lon)[source]

Identify the TOAST tile at a given depth that contains the given point.

Parameters
depthnon-negative integer

The TOAST tile pyramid depth to drill down to. For any given depth, there exists a tile containing the input point. As the depth gets larger, the precision of the location gets more precise.

latnumber

The latitude (declination) of the point, in radians.

lonnumber

The longitude (RA) of the point, in radians. This value must have already been normalied to lie within the range [0, 2pi] (inclusive on both ends.)

Returns
The Tile at the given depth that best contains the specified
point.