HanMengTao

@yongtaoge @raymon-tian 新手小白，也想知道这个热点图怎么实现的

> Now that I've solved this problem, "scannetv2_seg_dataset_rgb21c_pointid.py" simply requires "_vh_clean_2.notes.ply" and "_vh_clean_2.ply."So we only need to download these two types of files in "scannet," and they only use 20...