In terms of the feature of radius compensation for coordinate measurement, the natures of offset curve and surface are studied in the dissertation.
根据坐标测量需进行测头半径补偿的特点，研究了正则等距曲线曲面的有关性质。
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。
Beam curve offset: the amount of height offset to apply to the projected beam to generate a smoother curve even when the beam is pointing straight.
(光束曲线偏移)：投射光束时应用的高度偏移量，就算在光束径直指向时也能产生一个光滑的曲线。
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