{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,19]],"date-time":"2025-03-19T09:57:01Z","timestamp":1742378221773},"reference-count":7,"publisher":"MIT Press - Journals","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Presence: Teleoperators &amp; Virtual Environments"],"published-print":{"date-parts":[[2003,2]]},"abstract":"<jats:p> We have developed a visualization system, namedAtomsviewer, to render a billion atoms from the results of a molecular dynamics simulation. This system uses a hierarchical view frustum culling algorithm based on the octree data structure to efficiently remove atoms that are outside of the field of view. A novel occlusion culling algorithm, using a probability function, then selects atoms with a high probability of being visible. These selected atoms are further tested with a traditional occlusion culling algorithm before being rendered as spheres at varying levels of detail. To achieve scalability, Atomsviewer is distributed over a cluster of PCs that execute a parallelized version of the hierarchical view frustum culling and the probabilistic occlusion culling, and a graphics workstation that renders the atoms. We have used Atomsviewer to render a billion-atom data set on a dual processor SGI Onyx2 with an InfiniteReality2 graphics pipeline connected to a four-node PC cluster. <\/jats:p>","DOI":"10.1162\/105474603763835350","type":"journal-article","created":{"date-parts":[[2003,3,27]],"date-time":"2003-03-27T23:34:09Z","timestamp":1048808049000},"page":"85-95","source":"Crossref","is-referenced-by-count":22,"title":["Immersive and Interactive Exploration of Billion-Atom Systems"],"prefix":"10.1162","volume":"12","author":[{"given":"Ashish","family":"Sharma","sequence":"first","affiliation":[{"name":"Collaboratory for Advanced, Computing and Simulations, Dept. of Computer Science,"}]},{"given":"Aiichiro","family":"Nakano","sequence":"additional","affiliation":[{"name":"Dept. of Computer Science,"}]},{"given":"Rajiv K.","family":"Kalia","sequence":"additional","affiliation":[{"name":"Dept. of Physics & Astronomy,"}]},{"given":"Priya","family":"Vashishta","sequence":"additional","affiliation":[{"name":"Dept. of Materials Science & Engineering, University of Southern California, Los Angeles, California 90089,"}]},{"given":"Sanjay","family":"Kodiyalam","sequence":"additional","affiliation":[]},{"given":"Paul","family":"Miller","sequence":"additional","affiliation":[]},{"given":"Wei","family":"Zhao","sequence":"additional","affiliation":[]},{"given":"Xinlian","family":"Liu","sequence":"additional","affiliation":[{"name":"Concurrent Computing Laboratory for Material Simulations, Biological Computing and, Visualization Center, Dept. of Computer Science, Dept. of Physics & Astronomy, Louisiana State University, Louisiana 70803, USA"}]},{"given":"Timothy J.","family":"Campbell","sequence":"additional","affiliation":[]},{"given":"Andy","family":"Haas","sequence":"additional","affiliation":[{"name":"Naval Oceanographic Office Major, Shared Resourse Center, Stennis Space Center, Mississippi 39529, USA,"}]}],"member":"281","reference":[{"key":"p_3","first-page":"47","author":"Bajaj C.","year":"1999","journal-title":"Proc. of IEEE Parallel Visualization and Graphics Symposium"},{"key":"p_6","doi-asserted-by":"publisher","DOI":"10.1147\/sj.41.0025"},{"key":"p_7","doi-asserted-by":"publisher","DOI":"10.1145\/360349.360354"},{"key":"p_11","doi-asserted-by":"publisher","DOI":"10.1109\/2.809252"},{"key":"p_13","doi-asserted-by":"publisher","DOI":"10.1109\/5992.931904"},{"key":"p_15","doi-asserted-by":"publisher","DOI":"10.1016\/S0010-4655(00)00083-7"},{"key":"p_20","first-page":"55","volume":"1992","author":"Teller S.","year":"1992","journal-title":"Proc. of ACM SIGGRAPH"}],"container-title":["Presence: Teleoperators and Virtual Environments"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mitpressjournals.org\/doi\/pdf\/10.1162\/105474603763835350","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,3,12]],"date-time":"2021-03-12T21:27:54Z","timestamp":1615584474000},"score":1,"resource":{"primary":{"URL":"https:\/\/direct.mit.edu\/pvar\/article\/12\/1\/85-95\/18493"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2003,2]]},"references-count":7,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2003,2]]}},"alternative-id":["10.1162\/105474603763835350"],"URL":"https:\/\/doi.org\/10.1162\/105474603763835350","relation":{},"ISSN":["1054-7460"],"issn-type":[{"value":"1054-7460","type":"print"}],"subject":[],"published":{"date-parts":[[2003,2]]}}}