quad tree造句

• All kinds of method used around world and presented approach based on interval arithmetic and quad tree was presented
  总结了消除偏置曲线自交点的各种算法的优缺点，提出了基于区间算术和四叉树的算法。
• In the paper i propose and realize the lod based on transitional band . quad tree algorithm and roam algorithm are depicted in detail
  本文介绍了基于四叉树lod 、基于二元三角树结构的法则roam ，而且提出并实现了基于过渡带的lod 。
• This paper presents an algorithm for regular square grid model , which based appropriate criterion and quad tree structure , the multi - resolution representation mechanism , the dynamic terrain simplification , error metrics , deleting cracks , fast generation the triangulation are discussed in the paper
  摘要讨论了地形模型的多分辨率表示机制、节点评价函数、动态简化算法、裂缝的解决方法、三角网快速构建等地形可视化中的关键问题。
• We first put forward the file system of hierarchy structure through an object - oriented programming approach . to deal with great amount of data from geographic information and the need of fast access , we design a kind of professional embedded gis data structure to combine the quad tree storage format and the deploying mode of the file system . this method can implement the fast access for geographic information data
  通过面向对象的程序设计方法提出层次体系架构的文件系统；并针对地理信息数据量大的特点和快速空间存储的需求，提出了一种将四叉树存储格式与文件系统的调度方式相结合的嵌入式gis专用数据结构，实现了地理信息的快速存取。