Isosurface extraction into splat hierarchy
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United States of America Patent
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Sep 18, 2007
Grant Date -
Aug 19, 2004
app pub date -
Dec 31, 2003
filing date -
Nov 27, 2002
priority date (Note) -
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Abstract
A method of extracting isosurface data from hierarchical node data, including providing hierarchical node data representing an object, the hierarchical node data including a lowest hierarchy level having a plurality of leaf nodes and a plurality of higher hierarchy levels each having a plurality of non-leaf nodes each encompassing ones of the plurality of leaf nodes. The method also includes determining a plurality of leaf node splats each corresponding to one of the plurality of leaf nodes that includes a portion of an isosurface, wherein each of the plurality of leaf node splats is based on scalar data corresponding to at least one of the plurality of leaf nodes. A plurality of non-leaf node splats each corresponding to one of the plurality of non-leaf nodes that includes a portion of the isosurface is also determined, wherein each of the plurality of non-leaf node splats is based on a plurality of splats each corresponding to a lower hierarchical node.
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