get_catalog_index¶
- stsynphot.catalog.get_catalog_index(gridname)[source]¶
Extract catalog index (grid parameters).
It is read once and then cached until the cache is cleared explicitly using
reset_cache()
.- Parameters:
- gridnamestr
See
grid_to_spec()
.
- Returns:
- cat_indexlist
List of
[t_eff, metallicity, log_g, filename]
.- catdirstr
Directory containing the requested catalog.