如何在gnuplot中绘制一组垂直线? [英] How do I draw a set of vertical lines in gnuplot?

问题描述

例如如果我有一张图，并且想在X轴上每10个单位添加一条垂直线.

E.g. if I have a graph and want to add vertical lines at every 10 units along the X-axis.

推荐答案

下面是我的perl脚本中的代码片段:

Here is a snippet from my perl script to do this:

print OUTPUT "set arrow from $x1,$y1 to $x1,$y2 nohead lc rgb \'red\'\n";

您可能会从上方猜测，它实际上是绘制为无头"箭头.

As you might guess from above, it's actually drawn as a "headless" arrow.

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