GitLab

* enhance IndoorPatchPointSample

* modify configs and unit test

* add docs & comment

* fix legacy bug

* minor fix

* keep sample_rate and add warning

* remove useless label_weight args in dataset class

* modify unit tests

* update compatibility docs

* efficient mapping by matrix indexing

* add pointsegmapping unit test

* add max_cat_id args everywhere PointSegClassMapping is called in codebase

* add default value for max_cat_id for safety

* add assertion of max_cat_id

* support S3DIS data download and pre-processing (to ScanNet format)

* add S3DIS data for unittest

* add S3DIS semseg dataset class and unittest

* add config file for S3DIS dataset

* add eval_pipeline to S3DIS dataset config file

* clean code for S3DIS pre-processing scripts

* reformat code

* fix small bugs

* resolve conflicts & modify show() to use pipeline

* fix small errors

* polish data pre-processing code

* add more comments about S3DIS dataset

* fix markdown lint error