| 1. | Construct 3d multi - combination base on projection characters 基于特征构建多种组合体的三维图 |
| 2. | It is one of the important means of solid model construction . constructing 3d model from 2d engineering drawings that express 3d object in fact , becomes on important aspect of intelligent understanding 工程图纸实际表达的是三维物体,二维工程图样构造三维模型也成为工程图智能理解的主要方面。 |
| 3. | Human is very sensitive to the information of silhouettes . image based visual hull method is an efficient way to construct 3d models from a set of images by computing shape - from - silhouettes 作为基于图像建模的一种重要方法,可见外壳生成方法( image - basedvisualhull )就是利用图像侧影轮廓线来重建三维模型。 |
| 4. | In order to realize the orebody model , put forward a method to construct 3d object from multiple branching contours based on triangulation , and in this process , calculate the bulk of the orebody automatically 在数字矿山矿体模型的建立过程中,提出了一种基于三角剖分的多轮廓线之间的三维重构方法,并在重构的过程中计算出了矿体的体积。 |
| 5. | In this system , we use a plug - in called volo view to realize showing detail drawing interactively ; use vrml to construct 3d models ; use web3d tools to show assembly animations 在系统中,对平面零件图纸的展示,使用了autocad2002中附带的voloview插件;对于三维模型的演示,使用了vrml建模语言;对于装配图的阅读配置了动画演示,使用了web3d制作工具。 |
| 6. | The main task of generating 3d objects from orthographic views is to construct 3d objects according to the geometric and topological information in engineering drawings , which has became an important research direction in cad / cam 基于工程图的三维形体重建技术是根据形体二维视图中的几何信息和拓扑信息生成相应的三维形体,这是一个从低维到高维的构造过程,目前已成为cad与cam中的重要研究课题。 |
| 7. | Abstract : a method to construct 3d fonts was proposed , and the discussion on some processing methods corresponding to the font construction was made . real 3d fonts can be builit with this method . the disadvantages of traditional methods can be overcome as well 文摘:提出了一种三维字体的构造方法,并在此基础上讨论相应的字体处理方法.按照本文提出的方法,将可以构造真正意义上的三维字体,突破了传统意义上三维字体的局限性 |
| 8. | Through recognizing and matching 2d view feature to construct 3d solid , consequently it gets ready for transforming from 2d to 3d . chapter 3 firstly introduces the basic theory of solid modeling system generally , and then elaborates on 3d solid ' s all kinds of descriptive modes in computer inside . on the basis of this it analysis the technology of autocad ' s solid modeling system 在第三章中,首先系统地介绍了实体造型理论的基础,然后详细介绍了三维实体在计算机内部的各种表示方法,在此基础上,进行了autocad内部实体造型技术的剖析,为本文的算法进行重构的实体部分的生成奠定理论基础,最后详细介绍了以往的重构技术。 |
| 9. | The cad / cam process of the handle part was implemented , including constructing 3d entity modeler , creating tool path , computer simulating , postprocessing cutter location files into tape files for a specific machine tool , transferring machining information of the handle part by the network - based cad / cam prototype system , nc machining of the handle part at last 利用网络化cad / cam原型系统实现手柄零件cad / cam过程,包括手柄三维实体造型、刀位轨迹生成、计算机仿真检验,后置处理生成特定机床的g代码,通过网络传输手柄零件加工信息,最后完成手柄零件的数控加工。 |
| 10. | We not only discuss about a large number of concepts of computer visualization and their applications in tps , but also present an integrate process of constructing 3d model from 2d images , which will be an important reference for the research and development in other medical application systems 本文不但详细论述了计算机可视化技术中的大量基本概念和关键技术,讨论了计算机可视化技术在tps中的应用,而且对于从二维图像重建三维模型的主要途径和方法进行了完整的叙述,对于医学领域中其他类似的应用系统的研究和开发具有非常重要的参考价值。 |