介绍了图形实体拓扑重构、加工信息的提取和加工过程模拟等技术。
The topology reconstruction of part drawings, the way to obtain machining information and the technology of machining simulation are detailed.
人用眼睛观察电脑屏幕上互相影响的几何图形的实验得出的结论是：他们表现出带有道德意图的实体存在。
Subjects watching geometric shapes with eye spots interacting on a computer screen conclude that they represent agents with moral intentions.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, object's tracking or solid model reconstruction.
UDDI注册中心集成了一个基于Web的图形化用户界面，它支持对商务、服务以及其他遵循uddi规范的实体的发布和查询，而无需编程。
UDDI Registry includes a Web-based graphical user interface that supports publishing and querying of businesses, services, and other UDDI-compliant entities without programming.
利用AUTOLISP的实体功能实现对任意形状冲裁件的图形数据的提取。
In this paper, AUTOLISP's entity function is used for obtaining graphic data of stamping part of any shape.
矢量图形网格模型是实体的一种基本表示形式，特别对于描述具有复杂曲线曲面的实体可以说是一种最有效的表达方法。
Vector graph mesh model is a basic representation type of a body, particularly it is the most effective presentation method to representation complex body with curve and surface .
为了对平面实体进行曝光固化，需要同时得到平面图形的轮廓和内部填充的扫描轨迹。
To solidify the planar entities, the contour and the inner scanning paths of the planar graphics are necessary.
本文根据珩轮的加工原理和齿面方程，利用计算机图形学方法，分别建立了珩轮的表面模型和实体模型。
Based on the machining theories and gear profile equation, using computer graphics, the article builds the surface model and solid model of honner.
空间仿射坐标系的平行投影问题在计算机图形识别、跟踪目标及三维实体重建中具有重要意义。
Parallel projection of the affine coordinate system has a significant impact on computer graphics recognition, objects tracking or solid model reconstruction.
针对图形文件以矢量方式记录几何实体的特点，提出了一种基于改进几何哈希法的图形检索算法。
In view of the fact that geometric entities are recorded in vector form in graphics file, this paper presents an algorithm based on modified geometric hashing for shape retrieval.
从数据模型、数据实体、图形版本、网络拓扑、应用实现等方面阐述了红黑图机制的实现原理。
The realization principle of red and black mechanism is expounded with respect to the data model, data entity, graph version, network topology and application realization.
在计算机动画、计算机图形学、计算机辅助设计、机器人等领域中，经常需要检测多个实体间的位置关系。
In many scientific areas such as computer animation, computer graphics, computer aided geometry design and robot, it is very common to detect the positional relationship of several entities.
在dcl界面利用标准结构的三维实体模型实现图形库的可视化，原型图的参数化引入了特征参数。
In the DCL interface, graph data videotex has been realized by using standard three - dimension object model, stamp parameter has also been introduced.
这些算法和数据结构都围绕着一个问题，就是如何减少三维实体的点阵信息，以提高三维图形的显示速度。
The algorithms and the data structure are employed for reducing the grid information of 3d entity, so as to improve the display velocity of the 3d entity.
采用图解法探讨三维实体的图形变换，明确给出了几种特殊显示的图形变换矩阵的参数表达式。
The paper adopts graph method to study 3d entity graphic conversion, and the parameter formulas of the graphic transformation matrix of the several special displays are clearly obtained.
从数据模型、数据实体、图形版本、网络拓扑、应用实现等方面阐述了红黑图机制的实现原理。
The realization principle of red and black mechanism is expounded with respect to the data model, data entity, graph version, networ.
定量化分析或鉴定评价一个实体模型是计算机三维图形学研究的一个重要问题。
It is an important issue for three-dimensional computer graphics research to make a quantitative analysis or evaluation of an entity model.
图形化实体代表的商业对象支持图形导航，对象状态的可视化，通过地理查询的商业对象选择。
Graphical entities representing business objects support graphical navigation through database, visualization of objects' state, selecting business objects by geographical queries.
这是个图形化的数据建模工具，可创建使用关系数据库的实体-关系数据模型。
A graphical data modeling tool, allowing one to build Entity-Relation data models for use with Relational Databases (RDBMS).
在开发过程中进行了特征参数的选择、函数建立、数据检索、实体绘制及图形数据库操作等多项工作。
The process of development includes selecting main parameter, function building, data searching, body drawing and database operation, and so on.
充分利用三维实体数据的完整性，实现各层次二维图形的自动生成和结构力学分析所需的数据模型的自动建立；
Making full use of integrity of 3D model information, the system automatically generates various kinds of 2D drawings and constructs the data model for structural analysis.
文中应用面向对象的设计方法 ，针对消除隐藏线算法 ，为由点、直线段、多边形构成的立体图形设计了一种实体模型 ，该实体模型具有封装性和可维护性等面向对象设计方法的优点。
In this paper, based on object-oriented design, we design an efficient solid model for 3-dimension object constructed by point, straight line and polygon to accomplish hidden-line detection method.
文中应用面向对象的设计方法 ，针对消除隐藏线算法 ，为由点、直线段、多边形构成的立体图形设计了一种实体模型 ，该实体模型具有封装性和可维护性等面向对象设计方法的优点。
In this paper, based on object-oriented design, we design an efficient solid model for 3-dimension object constructed by point, straight line and polygon to accomplish hidden-line detection method.
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