GitLab

In data_processor.py sample_points, when num_points < far_idx_choice, a negative value is passed into np.random.choice, which cause a ValueError.
In fact the variable `near_idxs_choice` return by the deleted line is never used.

* bugfixed: add num_points_in_gt to the waymo_infos for evaluation

* add clarification for Waymo evaluation

* add kitti_utils.py for evaluating with KITTI metrics

* bugfixed: ignore empty boxes in visualization

* add contiguous() after transpose() at pointrcnn_head.py

* automatically find unused tcp port when mgpu train or test

* fixbug: set tcp_port before set python args

bugfixed: update slurm_train.sh

Release OpenPCDet v0.3.0