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Solving relative position problem of general position line and planes by overlapped projection lines method;

用重影线法图解线、面相对位置问题

This paper proposed a new method to find the intersection line and determine its visibility of two general position planes using overlapped projection lines.

提出用重影线法求解两一般位置平面相交求交线判别可见性的新方法。

The DTA is projection line and we design the algorithm to calculate any point’s space coordinates on DTA based on the projection line,then judge the deviation.

隧道设计给出的设计图形为投影线形 ,本文经过推导给出了利用投影线形及求隧道设计轴线上任意点的空间坐标值及倾角的方法 ,进而进行纠偏判

The principle of vanishing line-based camera calibration is applied to estimating the position and orientation of an unmanned helicopter.

该文将基于灭影线的摄像机标定原理用于无人直升机的位姿估计,设计了一个包含四组平行线的平面着陆图标,通过机载摄像机摄取的图标图像,估计出直升机相对于该图标的位置和姿态。

This paper improved flating horizon algorithm, and presented an algorithm for plotting 3 dimensional cross--hatching based on 3 dimensional geometric transformation and gives the basic ideas for plotting 3 dimensional cross-hatching.

在分析绘制参数曲面浮动水平线算法基础上，针对使用上浮动水平线的情况，改进了浮动水平线算法，并结合三维几何变换、投影变换以及绘制交叉影线的基本思想，提出了一种三维交叉影线的绘制算法，并研究了使用不同颜色绘制三维交叉影线，以便更好地表现三维立体形状。