def pixels_to_points(vertices)
      col_start, row_start, x1,    y1,
      col_end,   row_end,   x2,    y2,
      left,      top,       width, height  = vertices.flatten

      left   *= 0.75
      top    *= 0.75
      width  *= 0.75
      height *= 0.75

      [left, top, width, height]
    end
def pixels_to_points(vertices)
      col_start, row_start, x1,    y1,
      col_end,   row_end,   x2,    y2,
      left,      top,       width, height  = vertices.flatten

      left   *= 0.75
      top    *= 0.75
      width  *= 0.75
      height *= 0.75

      [left, top, width, height]
    end
Convert vertices from pixels to points.