pymovements.gaze.transforms.center_origin#

pymovements.gaze.transforms.center_origin(*, screen_resolution: tuple[int, int], origin: str, n_components: int, pixel_column: str = 'pixel', output_column: str | None = None) → pl.Expr[source]#

Center pixel data.

Pixel data will have the coordinates (0, 0) afterwards.

Parameters:

  • screen_resolution – Pixel screen resolution as tuple (width, height).

  • origin – The location of the pixel origin. Supported values: center, lower left

  • n_components – Number of components in input column.

  • pixel_column – Name of the input column with pixel data.

  • output_column – Name of the output column with centered pixel data.