Utils

Below are the basic functions that supports sampling and rendering.

inclusive_prod	Inclusive Product that supports flattened tensor.
exclusive_prod	Exclusive Product that supports flattened tensor.
inclusive_sum	Inclusive Sum that supports flattened tensor.
exclusive_sum	Exclusive Sum that supports flattened tensor.
pack_info	Pack ray_indices to packed_info.
render_visibility_from_alpha	Compute visibility from opacity \(\alpha_i\).
render_visibility_from_density	Compute visibility from density \(\sigma_i\) and interval \(\delta_i\).
render_weight_from_alpha	Compute rendering weights \(w_i\) from opacity \(\alpha_i\).
render_weight_from_density	Compute rendering weights \(w_i\) from density \(\sigma_i\) and interval \(\delta_i\).
render_transmittance_from_alpha	Compute transmittance \(T_i\) from alpha \(\alpha_i\).
render_transmittance_from_density	Compute transmittance \(T_i\) from density \(\sigma_i\).
accumulate_along_rays	Accumulate volumetric values along the ray.
importance_sampling	Importance sampling that supports flattened tensor.
searchsorted	Searchsorted that supports flattened tensor.
ray_aabb_intersect	Ray-AABB intersection.
traverse_grids	Ray Traversal within Multiple Grids.