Utils

ray_aabb_intersect	Ray AABB Test.
unpack_info	Unpack packed_info to ray_indices.
accumulate_along_rays	Accumulate volumetric values along the ray.
render_transmittance_from_density	Compute transmittance \(T_i\) from density \(\sigma_i\).
render_transmittance_from_alpha	Compute transmittance \(T_i\) from alpha \(\alpha_i\).
render_weight_from_density	Compute rendering weights \(w_i\) from density \(\sigma_i\) and interval \(\delta_i\).
render_weight_from_alpha	Compute rendering weights \(w_i\) from opacity \(\alpha_i\).
render_visibility	Filter out transparent and occluded samples.
ray_resampling	Resample a set of rays based on the CDF of the weights.
pack_data	Pack per-ray data (n_rays, n_samples, D) to (all_samples, D) based on mask.
unpack_data	Unpack packed data (all_samples, D) to per-ray data (n_rays, n_samples, D).