sweep line

Full bore valves to provide maximum flow, can be used to sweep the line clean or quarantine transmission pipeline.

全通径阀门提供最大的流量，并可用于扫线清洗或隔离输送的管道。

The algorithm proposed by us for polygonal chains intersection based on the sweep line algorithm is extended, and it is used to detect and delete global self-intersections in the rough offset curve.

拓展了我们已有的平面上单调链求交的扫描线算法，将其应用到初步等距线中的全局自交点和全局无效环的确定上。

A sweep line method to determine the position between two planar simple polygons is purposed in this paper.

提出了判定平面简单多边形位置关系的扫描线算法。

He moved nearer the edge, stood up, and with a vigorous sweep of his arm, cast out the line.

他走到水边，站起身，用力挥动手臂，将钓鱼线抛了出去。

Winter-Amber Zhuhai Department sticky snow line, palm broom to sweep lying clouds.

冬天 —— 琥珀珠海黏行处雪, 棕榈帚扫卧来云.

Based on intersection detection algorithm of bounding volume hierarchy tree ( BVT), the method resolves the problem of relation determining for planar simple polygons by testing the position between monotone chains with sweep line technology.

算法在包围体层次树干涉检测算法基础上，利用扫描线技术判定单调链的位置关系，解决了一般多边形之间的位置关系判定问题。