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half edge data structure
相关语句
  半边数据结构
     Then according to the characteristic of computer processing, after study the typical modeling method on regular objects and irregular objects, the algorithm based on half edge data structure is posed and implemented on PC.
     然后又根据计算机处理的特点,在研究了规则形体和不规则形体的典型建模方法之后,形成了基于半边数据结构的虚拟战场中爆炸效应生成与显示的算法,并在微型计算机上加以实现。
短句来源
     A data structure was advanced that is suitable for the simulation of bomb explosion--stochastic half edge data structure with motion characteristics.
     本文首先提出了一个适合于虚拟弹体爆炸的具有运动特征的随机半边数据结构
短句来源
  “half edge data structure”译为未确定词的双语例句
     On the purpose of satisfying parametric design, the requirements of complicated surface development, finite element analysis and manufacture, a hybrid data structure from the CSG model and the B - Rep model are proposed. It is convenient to set up a parametric product model, build the process of the parts manufacturing, and modify the product model. To define the analog half edge data structure, the virtual - edge is also presented.
     提出一种CSG与B-Rep混合结构,它是为满足参数化设计、复杂曲面展开、有限元分析、制造的需要而设计的,其主要特点是建立产品的参数化模型,构造出各零部件的加工过程,并引入产品的特征信息及虚边(边类型)解决类似半翼边数据结构定义的问题。
短句来源
     The execution rate of topological reconstruction is enhanced by introducing the AVL tree and half edge data structure.
     平衡二叉树和半边匹配数据结构的引入,提高了拓扑信息重建的速度。
短句来源
  相似匹配句对
     Edge
     边缘
短句来源
     Generation Calculus of Half Edge Graph
     半边图模型之构造演算
短句来源
     Aggregation and Reduction Calculus of Half Edge Graph
     半边图模型之聚合归约演算
短句来源
     Decimation of Triangle Meshes Based on Half-edge Structure
     基于半边结构的点删除算法研究
短句来源
     Half-edge Structure Based Modeling of Exploded Fragments
     基于半边结构的爆炸破片模型的随机分类构造法
短句来源
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  half edge data structure
In this case, the ParticleMesh half-edge data structure does not have a oneto-one correspondence with the particles, which serve as its vertices.
      
For every edge, the arrows point in opposite directions, as required by the half-edge data structure.
      


On the purpose of satisfying parametric design, the requirements of complicated surface development, finite element analysis and manufacture, a hybrid data structure from the CSG model and the B - Rep model are proposed. It is convenient to set up a parametric product model, build the process of the parts manufacturing, and modify the product model. To define the analog half edge data structure, the virtual - edge is also presented.

提出一种CSG与B-Rep混合结构,它是为满足参数化设计、复杂曲面展开、有限元分析、制造的需要而设计的,其主要特点是建立产品的参数化模型,构造出各零部件的加工过程,并引入产品的特征信息及虚边(边类型)解决类似半翼边数据结构定义的问题。

In this paper, an algorithm for Boolean operation between sculptured models is presented and the accuracy, efficiency and robustness are the main considerations. The solid model is represented with the trimmed parametric patches and half edge data structure. Hierarchy intersection is applied for unified classification, and tracing the intersection curve to overcome degenerate cases occurring frequently in practice is also used. It can easily be extended to Boolean operations for non...

In this paper, an algorithm for Boolean operation between sculptured models is presented and the accuracy, efficiency and robustness are the main considerations. The solid model is represented with the trimmed parametric patches and half edge data structure. Hierarchy intersection is applied for unified classification, and tracing the intersection curve to overcome degenerate cases occurring frequently in practice is also used. It can easily be extended to Boolean operations for non manifold models. The algorithm as a part of a modeling system on a SGI workstation is implemented.

给出了一个雕塑实体布尔操作的实现算法,在保证效率和精确性的同时确保鲁棒性是算法的目标.实体模型通过裁剪曲面片和半边数据结构来表达几何和拓扑信息.采用了层次求交和交线跟踪的方法来保证曲面片分割和区域分类的一致性,从而克服实践中常见的退化情况.该算法也可以方便地扩展到非流形模型的布尔操作.作为一个实体造型系统的一部分,该算法已经在SGI工作站上实现.

To enhance the ability of current modeling system, an uniformed representation is designed to represent wire frame, solid, surface models. We present an algorithm for Boolean operation between the models under this representation. Accuracy, efficiency and robustness are the main consideration. The geometric information is represented with trimmed parametric patches and trimmed parametric splines. The topological information is represented with an extended half edge data structure. In...

To enhance the ability of current modeling system, an uniformed representation is designed to represent wire frame, solid, surface models. We present an algorithm for Boolean operation between the models under this representation. Accuracy, efficiency and robustness are the main consideration. The geometric information is represented with trimmed parametric patches and trimmed parametric splines. The topological information is represented with an extended half edge data structure. In the process of intersection calculation, hierarchy intersection method is applied for unified classification. Tracing the intersection curve to overcome degenerate cases that occur frequently in practice. The algorithm has been implemented as the modeling kernel of a feature based modeling system named GS CAD98, which was developed on Windows/NT platform.

0 IntroductionCurrently,mostsolidmodelersareabletosupportsolidscomposedofpolyhedralmodelsandquadricsurfaces(likespheres,cylinde...

 
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