ramjet.analysis.viewer.preloader¶

Classes¶

class Preloader[source]¶

A class to load view entities in the background so they show up quickly when displayed.

minimum_preloaded = 25¶

maximum_preloaded = 50¶

__init__(self)[source]¶

Initialize self. See help(type(self)) for accurate signature.

load_view_entity_at_index_as_current(self, index: int)[source]¶

Loads the view entity at the passed index as the current view entity.

Parameters:	index – The index in the path list to load.

load_surrounding_view_entities(self)[source]¶

Loads the next and previous view entities relative to the current view entity.

load_next_view_entities(self)[source]¶

Preload the next view entities.

load_previous_view_entities(self)[source]¶

Preload the previous view entities.

increment(self)[source]¶

Increments to the next view entity, and calls loading as necessary.

Returns:	The new current view entity.

decrement(self)[source]¶

Decrements to the previous view entity, and calls loading as necessary.

Returns:	The new current view entity.

refresh_surrounding_light_curve_loading(self)[source]¶

Cancels the existing loading task and starts a new one.

cancel_loading_task(self)[source]¶

Cancels an existing loading task if it exists.

reset_deques(self)[source]¶

Cancels any loading tasks, clears the deques, and starts the loading task.

classmethod from_csv_path(cls, csv_path: Path, starting_index: int = 0)[source]¶

Create a preloader from a CSV of light curve identifiers.

Parameters:	csv_path – A path to a CSV containing light curve identifier information. starting_index – The starting index to preload around.
Returns:	The preloader.