Overlay (p.fehu.1.0.0~alpha2.doc.fehu.visualize.Fehu

Sourcetype ctx = {

step_idx : int;
episode_idx : int;
info : Fehu.Info.t;
action : Fehu.Space.Value.t option;
value : float option;
log_prob : float option;
reward : float;
done_ : bool;

}

Context provided to overlays for each frame.

Sourcetype t = Fehu.Render.image -> ctx -> Fehu.Render.image

Overlay transformation applied to a rendered image.

Sourceval compose : t list -> t

Compose multiple overlays sequentially.

Sourceval text : ?pos:(int * int) -> ?color:(int * int * int) -> (ctx -> string) -> t

Draw text at the given position (default: 10, 20) in RGB color.

Source

val bar : 
  ?pos:(int * int) ->
  ?size:(int * int) ->
  ?color:(int * int * int) ->
  ?background:(int * int * int) ->
  value:(ctx -> float) ->
  t

Draw a horizontal progress bar representing a value in 0, 1.

Sourceval identity : t

Overlay that leaves the image unchanged.