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。
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。
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。
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。
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。
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。
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。
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。
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。
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