Octree method is a kind of self-adapt spatial subdivision method based on object distribution.
八叉树方法是一种基于对象分布自适应细分模式的空间细分方法。
For fast calculating the signed distance from spatial point to STL model, a reference ball method was put foward based on linear octree.
针对如何快速求取空间点到STL模型表面有符号距离这一问题，提出一种基于线性八叉树的参考球方法。
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