headSizeAndPosition property
        
        _HeadSizeAndPosition
        headSizeAndPosition
        
      
getter/setter pair
      The Head size and position group includes the position of the "middle point" relative to the width and height of the image, the head width to the image width and height ratio, inter-eye distance, yaw, pitch, roll.
Implementation
static _HeadSizeAndPosition headSizeAndPosition =
    _HeadSizeAndPosition._privateConstructor();