Fix missing `coord_type` in db-sampler config. (#345)

configs/centerpoint/centerpoint_0075voxel_second_secfpn_4x8_cyclic_20e_nus.py

@@ -60,6 +60,7 @@ db_sampler = dict(
         traffic_cone=2),
     points_loader=dict(
         type='LoadPointsFromFile',
+        coord_type='LIDAR',
         load_dim=5,
         use_dim=[0, 1, 2, 3, 4],
         file_client_args=file_client_args))

configs/centerpoint/centerpoint_01voxel_second_secfpn_4x8_cyclic_20e_nus.py

@@ -55,6 +55,7 @@ db_sampler = dict(
         traffic_cone=2),
     points_loader=dict(
         type='LoadPointsFromFile',
+        coord_type='LIDAR',
         load_dim=5,
         use_dim=[0, 1, 2, 3, 4],
         file_client_args=file_client_args))

configs/centerpoint/centerpoint_02pillar_second_secfpn_4x8_cyclic_20e_nus.py

@@ -56,6 +56,7 @@ db_sampler = dict(
         traffic_cone=2),
     points_loader=dict(
         type='LoadPointsFromFile',
+        coord_type='LIDAR',
         load_dim=5,
         use_dim=[0, 1, 2, 3, 4],
         file_client_args=file_client_args))