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布尔运算的
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  boolean operations
    A NEW ALGORITHM FOR POLYGON CLIPPING AND BOOLEAN OPERATIONS
    多边形裁剪及布尔运算的新方法
短句来源
    An Algrithm for Treating Boolean Operations of Arbitrary 2D Graphs
    任意二维图形布尔运算的一种处理算法
短句来源
    A LOCALIZING ALGORITHM FOR BOOLEAN OPERATIONS OF SOLID MODELS REPRESENTED BY POLYHEDRON
    多面体布尔运算的一种局部化方法
短句来源
    Feature Based Models Variation Based on Variational Boolean Operations
    基于可变动布尔运算的特征模型尺寸驱动方法
短句来源
    POLYGON BOOLEAN OPERATIONS DECLINING DIMENSION IN THE ASPECTS OF CALCULATE WAY
    多边形布尔运算的降维算法
短句来源
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  boolean operation
    Stability Analysis on Boolean Operation of 2D Drawing in Computer Graphics
    计算机图形学中二维布尔运算的稳定性分析
短句来源
    The theories of Boolean operation's union, intersection and subtraction operation inthe com puter arts design are discussed.
    讨论布尔运算的并集、交集、差集运算原理在电脑美术设计中的应用。
短句来源
    This paper introduced a new method automatically generating components outline Chinese characters by processing stroke outline Chinese characters with the boolean operation in graphics, and improved the method to trace the shared line ,to process the special point of intersection.
    本文提出运用图形学中布尔运算的方法对笔划轮廓汉字进行自动处理而生成部件轮廓汉字 ,并对传统的布尔运算中的重合线段的跟踪、特殊交点的处理进行有效的改进 .
短句来源
    On the basis of polygonal inner edge and outer edge recognition, making full use of the fact that a polygon itself is a whole, this paper puts forward a Boolean operation algorithm based on the inner point recognition which simplifies the complexity of Boolean operations and solves radically the unsteadiness problem of Boolean operations due to the superposition points and superposition lines which exist between polygons.
    在多边形内、外侧边界识别的基础上,充分利用多边形本身是一个整体的事实,我们提出了一种基于"内点"(多边形内的点)识别的布尔运算算法,简化了布尔运算的复杂性,从根本上解决了由于多边形间可能存在重合点、重合线而造成的布尔运算不稳定问题。
短句来源
    Three-dimensional animation technology is widely used in the design and making of CAI. Combining the making process of courseware at present, it is discussed how to use Boolean Operation in modeling under 3ds max software. Some difficulties in the application of Boolean Operation and the methods of solving them are presented.
    三维动画技术已被广泛应用于CAI设计制作中,本文结合课件制作的实际,探讨如何在3DSMAX软件条件下,使用布尔运算辅助建模的一般过程,同时论述了运用布尔运算的一些常见问题以及解决该类技术问题的方法.
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  “布尔运算的”译为未确定词的双语例句
    Research on modeling technology for VRML models based on Boolean calculation
    基于布尔运算的VRML模型创建技术研究
短句来源
    An Improved Method of Processing Boolean Queries in Generalized Vector Space Model
    关于广义向量空间模型中布尔运算的修正
    With Boolean calculation of 3D feature solid, the solids are reconstructed by OpenGL technology in Windows Visual C++ 6.0. It can be used farther in studies and tests later.
    利用三维特征形体布尔运算的重建方法,用OpenGL技术在Windows Visual C++ 6.0环境进行三维特征重建,使重建的结果易于在后续研究和实验中广泛深入地应用。
短句来源
    A MERGED ALGORITHM FOR BOOLIAN MASK OPERATION
    掩膜数据布尔运算的并合算法
短句来源
    Applcations of Boolean Operation in the Computer Arts Design
    电脑美术设计中布尔运算的应用
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  boolean operations
Finally, the 3D integrated model was established by Boolean operations between 3D geological objects and engineering objects.
      
One challenge is to generate valid models at various LODs after an arbitrary rearrangement of features using a certain LOD criterion, because composite Boolean operations consisting of union and subtraction are not commutative.
      
Nicolog compiles a very general class of built-in constraints into equivalent sets of PCs, allowing an arbitrary mixture of integer (easily extensible to real) and Boolean operations.
      
Arithmetic expressions for switching functions are introduced through the replacement of Boolean operations with arithmetic equivalents.
      
In particular we settle two open questions of [1] concerning the derivability of inference rules for Boolean operations on the right side of multivalued dependencies.
      
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  boolean operation
Inspired by digital technique, we introduce two kinds of boolean operation into GA to develop a novel mutation operator and discuss its contribution to preventing the loss of critical alleles.
      
This separation makes the Boolean operation process simple and robust.
      
Using Graftree, the Boolean operation produces no risk of yielding topological conflicts, which often cause the simulation to stop abnormally.
      
The method has been powered adding a multi-layered, bit-masking oriented data structure and a boolean operation based control mixer, allowing special blended crossover operators obtained by superposition of the standard ones.
      
Then, through a Boolean operation of the splint blank and the maxilla-mandibula model, the dental splint model is formed.
      
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The operations for LSI mask artwork play an important role in the mask artwork analysis and verification software. The core in these operations is the boolean operation and topological analysis. A brief review and comparison of the previous algorithms for mask artwork were made in the paper. Then a new algorithm which is rapid and capable of saving the memory, is recommended. This algorithm is called "three in one algorithm with two scans". It can be used not only for the boolean operation, but also for the...

The operations for LSI mask artwork play an important role in the mask artwork analysis and verification software. The core in these operations is the boolean operation and topological analysis. A brief review and comparison of the previous algorithms for mask artwork were made in the paper. Then a new algorithm which is rapid and capable of saving the memory, is recommended. This algorithm is called "three in one algorithm with two scans". It can be used not only for the boolean operation, but also for the topological analysis. The algorithmic procedure and conditions of determination for different boolean operations and topological analyses are given in this paper. Finally, the complexity of the algorithm is discussed.

LSI掩模图形的运算在版图分析和校验软件中占有重要的地位,而其中最核心的图形运算是布尔运算和拓扑分析。 本文首先回顾了以往的图形运算方法,并对它们进行了比较,然后提出了一种快速、省内存的算法:“三合一双扫描算法”,它不但可用于布尔运算,还适用于拓扑分析。文中详细叙述了算法过程以及用于不同布尔运算和拓扑分析项目的选定条件。最后对算法的复杂性进行了讨论。

In this paper, a method of dynamically generating Shaded images of CSG in raster devices is presented. A CSG display tree suitable for near real-time image editing is proposed. The modification of the current image is performed locally using CSG boolean operations. Fast response is achieved by saving the current ray-primitive intersection segments at each pixel with a special code. It greatly improves the traditional CSG display techniques and makes the creating editing and displaying of a CSG tree integrated....

In this paper, a method of dynamically generating Shaded images of CSG in raster devices is presented. A CSG display tree suitable for near real-time image editing is proposed. The modification of the current image is performed locally using CSG boolean operations. Fast response is achieved by saving the current ray-primitive intersection segments at each pixel with a special code. It greatly improves the traditional CSG display techniques and makes the creating editing and displaying of a CSG tree integrated. Thus providing a convenient solid modeling envionment for CAD/CAM users.

本文提出了在光栅显示器上产生真实感CSG图形的一种方法。它通过动态产生一棵CSG树,使系统具有实时画面编辑功能。由于在显示器的每个象素上都保存了当前光线和几何实体的交线段——当前画面光线段,使当前图形可通过CSG布尔运算近于实时地修改和编辑。这种方法大大改善了传统的CSG显示技术,使CSG结果的建立、编辑和显示统一在一个过程中,为CAD/CAM用户提供了方便而灵活的造型环境。

Boolean operations on two sets of polygons are studied in this paper.The class of polygons is defined as an open set,and the result of all Boolean operations are defined as an open set too.Under these definitions,the class of polygons is a closure.The algorithm investigated in this paper does match these definitions,and is simple.It is proved that there are not undue line segments in the result set of polygons.

本文讨论了二组多边形的布尔运算.多边形定义为全部内点的开集,对多连形边界的交点也作了相应的定义.在这种定义下作多边形的布尔运算比较简单,从理论和实践均证明运算结果的多边形不会出现不希望有的线段,而且在这种多边形定义下,多边形集对布尔运算也是封闭的.

 
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