length_from_visual_angle_ppd

length_from_visual_angle_ppd#

stimupy.utils.length_from_visual_angle_ppd(visual_angle, ppd, round=True)#

Calculate length (pixels) from visual angle (degrees) and pixels-per-degree

Parameters:
  • visual_angle (float or None) – visual angle in degrees

  • ppd (int or None) – pixels per degree

  • round (bool) – if True, round output length to full pixels

Return type:

visual angle (degrees) translated to length (pixels)