octree

At run time, the octree hierarchy was used for coarse global refinement, and the progressive meshes was used for fine local refinement.

在实时绘制阶段，利用八叉树层次进行粗的全局细化，利用渐进网格进行细的局部细化。

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It is an excellent way to use octree for representing three-dimensional ( 3 D ) space.

八元树是一种优秀的三维空间表示方法.

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Research on the Octree Structure Texture Based on GPU

基于GPU的八叉树结构纹理研究与应用

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In respect that the properties of cone-beam CT simulated projection, a suite of rapid algorithms based on octree was studied for STL phantom models.

针对STL样本基元，根据锥束CT仿真投影的特点，研究了一套基于八叉树的锥束CT仿真投影快速计算方法。

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We use least squre method to form conicoid mathematic model and fit the point cloud which has been grouped by octree subpision method.

应用最小二乘法建立二次曲面的数学模型，对于已用八叉树分组的点云数据实现隐函数拟合。

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Analyze the Characteristics of the linear quadtree and linear octree and describe the linear octree encoding based on the decimal system.

分析了线性四叉树、线性八叉树两种数据结构的特点，介绍了一种基于十进制的线性八叉树编码技术。

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Finally, based on the sub-octrees, the nodes of the octree of the whole model can be traversed progressively from coarse to fine and compressed with an advanced compression method for handling in-core models.

最后，基于各个局部自适应的八叉树，由粗至细渐进地遍历全局自适应八叉树的各个节点，并利用对内存模型能高效渐进压缩编码的先进方法进行编码压缩。

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This paper presents an efficient implementation of OSP ( octree based space partitioning ) algorithm. Such efficiencymemory needs.

本文从这一目的出发主要研究了八叉空间刨分算法的实现.

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Unstructured Cartesian grid for complex geometries is generated based on Octree data structure.

采用八叉树结构,生成复杂外形绕流计算的非结构直角网格.

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Based on the octree color quantization algorithm, raised a proper frequency-priority octree color quantization algorithm which is applied to cotton socks pattern design. 2.

在八叉树色彩量化算法的基础上做了必要的改进，提出了适用于棉袜花型设计的严格频度优先的八叉树色彩量化算法。

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The algorithm pre-calculated unit gradient of volume data and divide the volume data into multiple data blocks using octree.

算法预先计算体数据的单元梯度，并采用八叉树将体数据划分成多个数据块。

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