How to draw a detection box and display confidence on the test data

[dongzhenguo2016]

Now I can run through the training program.
Not only do I want to calculate AP and other indicators on the test data set,
How do I draw a detection box and display confidence on the test data?
thanks a lot

[Chongruo Wu]

please see https://github.com/facebookresearch/detectron2/blob/515c53ad645275dceec15c785c0eb0005bb95b63/detectron2/utils/visualizer.py#L308