GitLab

* importance_sampling with test

* package importance_sampling

* compute_intervals tested and packaged

* compute_intervals_v2

* bicycle is failing

* fix cut in compute_intervals_v2, test pass for rendering

* hacky way to get opaque_bkgd work

* reorg ING

* PackedRaySegmentsSpec

* chunk_ids -> ray_ids

* binary -> occupied

* test_traverse_grid_basic checked

* fix traverse_grid with step size, checked

* support max_step_size, not verified

* _cuda and cuda; upgrade ray_marching

* inclusive scan

* test_exclusive_sum but seems to have numeric error

* inclusive_sum_backward verified

* exclusive sum backward

* merge fwd and bwd for scan

* inclusive & exclusive prod verified

* support normal scan with torch funcs

* rendering and tests

* a bit clean up

* importance_sampling verified

* stratified for importance_sampling

* importance_sampling in pdf.py

* RaySegmentsSp...

* multres grid

* prop

* benchmark with prop and occ

* benchmark blender with weight_decay

* docs

* bump version

* dyn

* clean up for dyn

* update test

* ngp is up and running but slow

* benchmark on three examples

* fix and update ngp in readme

* clean up and expose volumetric_rendering_pipeline

* update doc and fix import

* fix import