ppyoloe_r 旋转框检测的模型转换为ONNX格式时，提示 there are some operators not supported yet

[franklzr]

问题确认 Search before asking

• 我已经查询历史issue，没有类似需求。I have searched the issues and found no similar feature requests.

需求描述 Feature Description

PaddleDetection 2.8
ppyoloe_r 旋转框检测的模型转换为ONNX格式时，提示有不支持的operators
请问如何才能解决？

(env) E:\AIWorks\ppdet28\ppdet28>paddle2onnx --model_dir output_inference/ppyoloe_r_crn_s_3x_dota --model_filename model.pdmodel --params_filename model.pdiparams --opset_version 15 --save_file ppyoloe_r_crn_s_3x_dota.onnx
[Paddle2ONNX] Start to parse PaddlePaddle model...
[Paddle2ONNX] Model file path: output_inference/ppyoloe_r_crn_s_3x_dota\model.pdmodel
[Paddle2ONNX] Parameters file path: output_inference/ppyoloe_r_crn_s_3x_dota\model.pdiparams
[Paddle2ONNX] Start to parsing Paddle model...
[Paddle2ONNX] Oops, there are some operators not supported yet, including anchor_generator,
[ERROR] Due to the unsupported operators, the conversion is aborted.

是否愿意提交PR Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!