Disk and horizontal line-segment filters 盘状和水平线段过滤器
For a given horizontal line that intersects the segment, use X<=Xi, or
对于一条给定的与线段相交的水平线，使用 X<=Xi 或
To detect the number of intersections to the right from a point that is not aligned with a vertex, start with the formula of the coordinate where the horizontal line intersects a segment (Xi).
要检测未与一个顶点对其的一个点右侧的交点数量，首先使用水平线与一个线段(Xi)相交的坐标公式。
This paper shows that the line segment made of the horizontal imaginary process cannot be regarded as the computing line segment.
本文论证了水平虚工序构成的线路段不能作为计算线路段。
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