class_docstr: Convert rbbox format to poly format.
class_docstr_tok: ["Convert","rbbox","format","to","poly","format","."]
code: def __init__(self):
      super(Rbox2Poly, self).__init__()
  
imports: from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import division
  from numbers import Number, Integral
  import cv2
  import numpy
  import math
  import copy
  from .operators import register_op, BaseOperator
  from ppdet.modeling.rbox_utils import poly2rbox_le135_np, poly2rbox_oc_np, rbox2poly_np
  from ppdet.utils.logger import setup_logger
  from ppdet.utils.compact import imagedraw_textsize_c
label_desc: Use image node_id 1 to create a new Rbox2Poly object from inherited base classes: BaseOperator with example: obj = Rbox2Poly()