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I use a Hierarchical Triangular Mesh for indexing gamma ray events from the universe. The data is partitioned in the database according to it's HTM id. http://
by batbomb 13y ago
I use a Hierarchical Triangular Mesh for indexing gamma ray events from the universe. The data is partitioned in the database according to it's HTM id.
http://arxiv.org/pdf/cs/0701164.pdf http://arxiv.org/pdf/cs/0701164.pdf
Currently I use this for indexing ~11 billion gamma ray events. Researchers typically supply a region in the sky, a search radius, and some cuts (energy, event quality, etc...)
- codezero 13y agoHTM is generally good. We used it to index white light data from out satellite. It makes for a very flexible way to store spherical surface data without losing context or information when projecting.