图形处理

The system mainly consists files and maps of basic graphics system, graphics elements (possess for processing point, the line, face, network graphic elements), the graphics operations (possess for blowing up graphics and dwindling graphics, movement, backdate and other operational functions), graphics import and export (possess for the mouse coordinate mapping,graphics data coordinate imported), conventions and the use of line-type, the son-graphics of filling the function module, to achieve the basic functions of the vector graphics.

本系统主要包括基本图形系统的文档和视图、图形元素（具备处理点、线、面、网络等图形元素）、图形操作（具备图形的放缩、移动、回溯等操作功能）、图形输入和输出（具备鼠标交互绘制、图形数据交互输入）、定制和使用线型、子图填充等功能模块，能够实现基本的矢量图形的所具有的功能。

Processed coins' contour in our analysis of the experimental results, to the entire graphics coins overlap can be divided into the following three categories :(1) no overlapped circle in the graph,(2) have overlapped coins but have without the branches of points in the image,(3) have any branches in the graph, therefore, because of different circumstances should be directed to a process.

处理好的钱币轮廓依照我们实验分析的结果，将整张图形的钱币重叠情况分为下列三类：(1)无任何交叠的圆，(2)与其他钱币有交叠但无分歧点的图形，(3)图形内有分歧点者，因此，因应不同之情形有其针对的处理程序。

Research on basic algorithms of Computer Graphics has deep significance, because each application generally need numerous call of the basic algorithms. The speed and quality of generating a picture are tremendously affected by that of generating each line or curve. This paper researches the basic algorithms of Computer Graphics including the algorithms of drawing and clipping of lines and curves both on the square grid and the hexagonal grid.

对计算机图形学基础算法的研究具有重要意义，因为在具体应用中，每一幅图形都由成百上千条直线和曲线构成，这样对于每一条直线或曲线的处理速度和质量就极大地影响着整幅图形的处理速度和质量，本文的工作是对计算机图形学中的基础算法进行研究。

The classical cutting stock algorithm——column generation technology , and wrap up rectangle technology for abnormity are analyzed ; The development of AutoCAD with ObjectARX is studied and the generating method of cutting outline drawing and layout drawing were found out on the basis of analyses of the graph database structure of AutoCAD and the basic operation of it ; The process planning technology of plate material cutting orienting numerical control is studied a process planning method directly based on layout drawing is established ; The emulation technology in AutoCAD is studied and a kind of dynamic emulation method is put forward , which is realized by incrementally modifying graph entity ; The postposition of NC program of the integrated cutting system constructed on software plug-in is proposed , which can effectively solve the problem that it is difficult for a numerical control programming system to be common , which is caused by the difference of instruction format and control parameter between different type of numerical control machine .

分析了经典的矩形件优化排样算法——列生成法和针对异形件的矩形包络算法；研究了基于ObjectARX 的AutoCAD 开发技术，结合对AutoCAD 图形数据库结构及其基本操作的分析，给出了下料轮廓图和排样图的生成方法；研究了板材数控下料加工的工艺处理技术，建立了一种直接基于排样图进行的图形交互工艺规划方法；研究了在AutoCAD环境中的板材下料数控仿真技术，给出一种通过增量修改图形实体对象实现的动态仿真方法；提出以软插件技术构建集成下料系统的数控编程后置处理部分，能够有效解决因数控下料机床指令格式及控制参数不统一导致的自动编程软件系统不易实现通用性的问题。

The client application is designed under multiple document interface structure to make it both aesthetic and practical. The task of security management may be done at the application level with the aid of safe logon function module. The data query function is very applicable and could be applied in many cases. Graph section displays heating information with diverse kinds of figures. Two completely different printing ways are depicted in the printing function module.

客户端应用程序的设计采用了多文档结构，力求美观、实用；系统安全登录功能的设计使安全管理工作可以在应用程序的层次上完成；数据的查询操作适用性强，并具有一定的通用性；图形部分实现了供热信息的多种图形显示；打印处理模块描述了两种不同的数据打印处理方式。

Three-dimensional radar terminal displays'emulation is taken as a valid means of explaining a large number of radar data straight,it is possible to analyze and process the radar data effectively for fighter.

它涉及数字图像处理、计算机图形学以及雷达技术的相关知识，是计算机图形学和图像处理在新一代雷达终端显示中的重要应用。

Using the function of powerful data calculation of Excel and the capacity of complicated data figuring of Orgin, the data of fluid flow resistance can be computed and graphed respectively. In other words, the method can speedily and exactly dispose the data of fluid flow resistance.

利用电子表格Excel强大的数据计算功能和Orgin丰富的实验数据图形化处理功能，分别对流动阻力实验中的数据进行计算处理和图形化处理，可以快速且准确地得到实验处理结果。

Refers to the relation of graphics to surrounding text, which may wrap around the graphic on one or both sides, be overprinted behind or in front of the graphic, or treat the graphic as a separate paragraph or character.

文字环绕指文字与图形的相对位置关系，文字可以在图形的一侧或者两侧排布，或者从上面或者下面贯穿图形，甚至把图形当作段落或者字符处理。

Based on numerical simulation flow after treatment methods and implementation. This paper drawing river ice jam thickness contour map, vertical water flow under the ice jam contour map as an example, the use of Surfer software described in detail various graphics rendering; Focused on the Surfer with VB programming software secondary development to achieve flow numerical simulation after treatment, showed that automatic change the data files to the Surfers;Introduced Active automation technology and Visual Basic Application Program Interface, and the interface technology will combinate VB powerful software development capabilities and Surfer software powerful mapping functions , achieve the key code and the mapping results map examples: under the ice sheet flow velocity field vertical contour map, three-dimensional wire-frame plans, such as flow field vector graphics, and dynamic display and output the graphics.

基于水流数值模拟后处理的方法与实现，本文以绘制河流冰塞厚度等值线图、冰塞下水流纵向流速等值线图为例，详细介绍了运用Surfer软件绘制各种图形的方法；重点阐述了用VB编程对Surfer软件进行二次开发实现水流数值模拟后处理，显示向Surfer数据文件自动转换的过程；介绍了Active自动化技术及其与VB应用程序的接口技术，并利用该接口技术将VB的强大软件开发能力和Surfer软件强大的绘图功能相结合，给出了实现该接口技术的关键代码以及绘制成果图件的实例：冰盖下流速场纵向流速等值线图、三维线框图、流场矢量图等图形，并输出图形与动态显示。

Nowadays, the development of computer graphics systems tends towards features with much higher quality and high speed . Super-microcomputer system with uni-processor could no longer afford the processing capability in these high-end graphics technology fields. By using supermini even mainframe computer would be too expensive. All these factors limit the new application field of computer graphics.

在目前，计算机图形系统向着高质量和高速度发展过程中，由单处理机组成的超级微计算机系统已不能满足图形技术某些领域对处理能力的需求，而用中、小型以致于大型机实现的图形系统成本高，限制了图形系统的应用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。