Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
store cache residency information for sets of corresponding bricks of each resolution level in bitmasks. Here, we focus on a single-channel volume; brick colors indicate the resolution level. For fine-grained empty-space skipping, the number of levels of the residency octree (here, 4) can be independent of the resolution hierarchy.
