Line clipping is one of the fundamental problems in computer graphics.
线裁剪是计算机图形学的重要基础问题之一。
Finally line clipping algorithms against circles and ellipses are given.
最后，介绍了圆形和椭圆形窗口的直线裁剪算法。
A new algorithm for the line clipping against a triangle is proposed and described in detail in this paper.
本文详细描述了一种三角形窗口线裁剪的新算法。
Existing line clipping algorithms are all offered based on a rectangular window or a convex polygonal window.
已有的线裁剪算法都是针对矩形窗口或凸多边形窗口的。
Polygon clipping is more often used than line clipping in practice, so it is the main subject in clipping research now.
多边形裁剪与线剪裁相比具有更广泛的实用意义，因此它是目前裁剪研究的主要课题。
This paper has presented a new approach to line clipping and built an all-code processing mechanism for clipping recognition.
本文提出了一种新的线裁剪原理，构造了一套全代码式的裁剪识别处理机制。
It is hard to speed up the line clipping for circular Windows due to the complex calculation adopted in the current algorithms.
现有的圆形窗口对线段的裁剪算法由于包含复杂的计算而难于提高速度。
Based on the analysis of advantages and disadvantages of the existing algorithms, a new algorithm for line clipping was proposed.
在分析已有线裁剪算法优点和缺点的基础上，提出了一种新的一般多边形窗口线裁剪算法。
A new concept of the window's vertex encoding is proposed for the first time based on the essential characteristic of the line clipping against polygonal window.
从多边形窗口线裁剪的本质特征出发，首次提出窗口顶点编码的新概念。
The technology of line clipping plays an important role, and is a foundation of many important problems in the computer graphics process. There are a lot of good algorithms about a line clipping.
线裁剪技术在计算机图形处理中占有重要地位，是计算机图形学中许多重要问题的基础，关于线段的二维裁剪有许多成熟的算法。
At the middle level, a portable graphics engine provides support for line draws, area fills, polygons, clipping, and color models.
在中间层，可移植的图形引擎提供对线的绘制、区域的填充、多边形、裁剪以及颜色模型的支持。
Based on profound study of various position relations between a line segment and a circle, a simple and rapid clipping algorithm for circular window is presented in this paper.
通过对直线段相对圆的各种位置关系作深入的研究，提出了一种简单而迅速的圆形窗口裁剪算法。
In order to enhance clipping velocity as much as possible, the technique of line geometric transformation is imported to later flow of the new algorithm.
后续流程引入线段几何变换技术实施裁剪，尽可能加快求交进程。
Three parts have been researched which are the switchover of data format, elliptic window line segment-clipping and the method for updating local topological relation.
空间数据处理内容广泛，本文选择空间数据处理领域的数据格式转换、椭圆窗口线段裁剪、拓扑关系局部更新方法作为研究的内容。
Through judging the relation of the position between the circle clip window and the line to be clipped, a new line-clipping algorithm is given based on the correlative literatures.
在相关文献提出的基于矩形窗口裁剪的圆形窗口裁剪算法的基础上，通过判断圆形窗口与待裁线段的位置关系，提出一个免解二次方程的圆形窗口裁剪算法。
It should be of great significance if improvement on 2-d algorithms and 3-d clipping and line-generating algorithms become reality.
如果能在现有算法的基础上，实现对若干算法的改进以及进行三维裁剪和三维直线生成算法的研究无疑具有重大的现实意义。
If you understand how to split line (in 3d space) into two using a plane, you can implement raytracing or clipping easily.
如果你懂得如何分割线(三维空间)使用平面为两，您可以实现光线追踪或裁剪容易。
If the line crosses an odd number of path segments, the starting point is inside the closed region and is therefore part of the fill or clipping area.
如果直线和奇数的路径线段交叉，则开始点是在关闭的区域中，因此是填色或裁剪区域的一部分。
If the line crosses an odd number of path segments, the starting point is inside the closed region and is therefore part of the fill or clipping area.
如果直线和奇数的路径线段交叉，则开始点是在关闭的区域中，因此是填色或裁剪区域的一部分。
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