Guoxin Zhang

I combined those two txt file 'voc2007.txt' and 'voc2012.txt' into 'tmp/listfile.txt' and fixed it. > hi, have you solved it yet? I ran into the same problem.

I encountered this question once. This infomation generated by [evaluate stage](https://github.com/PointsCoder/VOTR/blob/ea58b4ed0da95b1394dd6f4235121bc285f2fde2/tools/test.py#L112). The reason that I encounter this question is that I trying to evaluate my model but I use '--ckpt'...

You may need to reinstall the OpenPCDet. Cuz OpenPCDet is use the way of develop to insatll. It should be `'SFD2/pcdet/datasets/init.py'`, instead of `File "/home/fuwuqianyan/LXP/OpenPCDet/pcdet/datasets/init.py", line 53, in build_dataloader`.

https://mmdetection3d.readthedocs.io/en/latest/useful_tools.html#visualization The mmdet3d offer the tools, which can vis that nicely.

Cloud someone review this PR? I know mmdet3d has been a long time no-update. But as a regular user, I want to be a contributor to mmdet3d. Thanks! @ZwwWayne @Tai-Wang...