将标签在某些y坐标处对齐到右边? [英] place label aligned to right, at certain y coordinate?

问题描述

我需要在拟合的平均水平线上方的右侧放置一个标签.我有规则的y坐标，但我不知道图形右边界的坐标.

I need to place a label at the right, above of a fitted average horizontal rule. I have an y-coordinate of the rule, but i don't know the coordinate of the right border of the graph.

我看到了，只有在固定水平线规则的情况下，我才可以使用at graph 0.5,0.8语法.

I saw, I could use at graph 0.5,0.8 syntax, only if the horizontal rule would be fixed, which it isn't.

推荐答案

您可以对x和y值使用不同的坐标系.可用的坐标系为:

You can use different coordinate systems for x and y values. The available coordinate systems are:

• first:左右轴上的值.
• second:左右轴上的值.
• graph:相​​对于轴内区域，0,0在左下方，1,1在右上方.
• screen:相对于整个画布.
• character:取决于所选的字体大小.

• first: value on the left and bottom axes.
• second: value on the right and top axes.
• graph: relative to the area within the axes, 0,0 is bottom left and 1,1 is top right.
• screen: relative to the entire canvas.
• character: depends on the chosen font size.

因此，如果您的x值应该相对于图形，请使用graph 0.5，对于y值，您可以使用first yval:

So, if your x-value should be relative to the graph, use graph 0.5, for the y-value you can use first yval:

set label at graph 0.5, first yval+ofs

在这里，yval是水平线的y值，ofs是为了使标签稍微移位的偏移量.

Here, yval is the y-value of the horizontal line, and ofs is an offset in order to displace the label a bit.

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