Add function to read extra arguments for the reader from a configuration file using a custom callback configured in the products yaml file.
Developed to be used with ninjotiff products generated from trollflow-sat, to load ninjotiff tags from configuration file.
Add function to read extra arguments for the reader from a configuration file using a custom callback configured in the products yaml file. Developed to be used with ninjotiff products generated from trollflow-sat, to load ninjotiff tags from configuration file.