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removing hidden line
相关语句
  隐藏线消除
     An Improved Algorithm of Removing Hidden Line
     一种改进的隐藏线消除算法
短句来源
     An efficient Algorithm Of removing hidden line is proposed in the paper by analyzing the traditional arithmetic and improving in three sides.
     该文通过对传统的隐藏线消除算法进行分析,从三个方面进行改进,最后得到了一种快速、高效的隐藏线消除算法,并在同济大学 CAD中心承担的重大项目──“大型钢结构CAD软件”中得到了验证。
短句来源
  “removing hidden line”译为未确定词的双语例句
     Methods of Removing Hidden Line and Judging Contour Lines for Mechanical Drawing
     机械图的消隐和轮廓线的判定
短句来源
  相似匹配句对
     A REMOVING ALGORITHM FOR HIDDEN SURFACES
     一个隐面消除的新算法
短句来源
     An Improved Algorithm of Removing Hidden Line
     一种改进的隐藏线消除算法
短句来源
     Method for Removing the Hidden Line in Gonvex Polyhedron
     计算机绘图中凸多面体隐藏线的消隐处理
短句来源
     A Summary of Algorithms for Removing the Hidden Lines and Surfaces
     图形消隐算法综述
短句来源
     TECHNIQUE FOR REMOVING HIDDEN EDGS AND SURFACE FROM 3-D POLYHEDRON
     多面体消隐技术
短句来源
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  removing hidden line
By means of the programs of Auto Lisp, the method which based on AutoCAD may complete profiling the parts, forming parts graphic base, calculation of removing hidden line, and establishing assembly drawing.
      


This paper offers a method for removing hidden line with a pencil of ray which passes through the view point of perspective (or along with the direction of parallel projection).By means of this method, the visibility of a space point can be judged and the surface contour be found out.If the surface to be drawn is a complex one,it is imag- inable that this surface is formed by a simple one moving in space. Authors attempt to find two families of parametric curves on the sur- face to intensify the three...

This paper offers a method for removing hidden line with a pencil of ray which passes through the view point of perspective (or along with the direction of parallel projection).By means of this method, the visibility of a space point can be judged and the surface contour be found out.If the surface to be drawn is a complex one,it is imag- inable that this surface is formed by a simple one moving in space. Authors attempt to find two families of parametric curves on the sur- face to intensify the three dimension visualization.Several examples given in this paper are written in FORTRAN language and executedon the M-24OD(HITAC)computer.

本文针对计算机曲面绘制提出了射线参数消隐法。此法运用过视点(或沿轴测投影方向)的射线,判断出曲面上点的可见性。对于较为复杂的曲面则采用包络运动的理论简化之。方法简捷,消隐可靠,便于边界和轮廓的处理.文中运用这种方法对几种曲面进行了尝试,编制了绘图的 FORTRAN 程序,并且在M—240D(日立)计算机上运行通过。作者试图利用适当选择曲面上参数曲线的参数曲线法,来达到图形的润饰效果,结果绘出了立体感极强的图形。

Presented in this paper is a simple and easy method for removing hidden lines on a curved surface. First,the grid nodes on the surface are divided into two groups, visible and invisible,then judgement is made for the visibility of the grid lines on the surface according to the coherence of the lines. All the visible lines are then displayed or drawn to get the axonometric projections of the curved surface. This method Is rather simple, convenient to be called in and less restricted. The...

Presented in this paper is a simple and easy method for removing hidden lines on a curved surface. First,the grid nodes on the surface are divided into two groups, visible and invisible,then judgement is made for the visibility of the grid lines on the surface according to the coherence of the lines. All the visible lines are then displayed or drawn to get the axonometric projections of the curved surface. This method Is rather simple, convenient to be called in and less restricted. The only input needed is the grid node numbers in two directions and the coordinates of all the grid nodes regardless of the construction of the curved surface.

本文介绍一种简易的曲面隐藏线消去法。先将曲面上各网点分成可见与不可见两类,然后根据线与线相关性,判断各网格线段的可见性,最后只显示或绘制所有的可见网格线段,得到消隐后的曲面立体图形,本法比较简易,调用方便,通用性较强,不管曲面是根据什么方法构作的,只要顺序输入两个方向的网点数及所有网点的坐标值,调用本子程序,一般均能进行曲面消隐。

An algorithm for removing hidden lines formed by two intersected convex solids is presented in this paper. Hidden lines on the single solid are first removed according to the direction of the outward normal vector, then lines and planes are compared to determine the visible line segments of the visible edges of every single solid so as to complete the hidden line calculation on the complex. All the visible edge segments and the visible intersection lines...

An algorithm for removing hidden lines formed by two intersected convex solids is presented in this paper. Hidden lines on the single solid are first removed according to the direction of the outward normal vector, then lines and planes are compared to determine the visible line segments of the visible edges of every single solid so as to complete the hidden line calculation on the complex. All the visible edge segments and the visible intersection lines of two solids are displayed or drawn to obtain the axonometric projections after removing hidden lines. The algorithm needs less input information, and has many functions. It can be used not only in the case of two intersected convex solids, but also in the case of two overlapped convex solids, and two solids with common surface.

本文介绍了一种消去两相贯凸平面立体的隐藏线算法。首先利用外法线法单体消隐,然后用线与面比较法作组合消隐计算,逐一确定各个单体上可见棱线在组合体上的可见线段,最后显示或绘制所有的可见棱线段和两体的可见交线,得到消隐后的立体图。本法信息输入量较小,功能较强,不但适用于两相贯的凸平面立体的消隐,而且也适用于两迭加的凸平面立体的消隐。本程序还适用于两体具有共面的情况。

 
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