如何判断某个点是否在某条线附近? [英] How can I tell if a point is nearby a certain line?

问题描述

我问怎么能我告诉一个点是否属于某条线?"之前我找到了合适的答案，非常感谢.

I asked "How can I tell if a point belongs to a certain line?" before and I found a suitable answer so thank you very much.

现在，我想知道如何判断某个点是否接近我的线.

Now, I would like to know how to tell if a certain point is close to my line.

推荐答案

你需要计算到直线的直角距离.然后你必须定义什么是接近"并测试它是否在那个距离内.

You need to calculate the right angle distance to the line. Then you have to define what "close" is and test if it is within that distance.

你想要的等式是:

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