getPointGripMethod = function (seg, update) {
  const { index } = seg
  const pointGrip = addPointGripMethod(index)

  if (update) {
    const pt = getGripPtMethod(seg)
    assignAttributes(pointGrip, {
      cx: pt.x,
      cy: pt.y,
      display: 'inline'
    })
  }

  return pointGrip
}
@function module:path.getPointGrip
@param {Segment} seg
@param {boolean} update
@returns {SVGCircleElement}