validate_visual_size#
- stimupy.utils.validate_visual_size(visual_size)#
Put specification of visual size in canonical form, if possible
- Parameters:
visual_size (Sequence of length 1 or 2; or None) – if 2 elements: interpret as (height, width) if 1 element: use as both height and width if None: return (None, None) each element has to be of type that can be cast to float, or None.
- Returns:
.height: float, height in degrees visual angle .width: float, width in degrees visual angle
- Return type:
Visual_size NamedTuple, with two attributes
- Raises:
ValueError – if input does not have at least 1 element
TypeError – if input is not a Sequence(float, float) and cannot be cast to one
ValueError – if input has more than 2 elements