gnuplot如何缩放y& y2轴 [英] gnuplot how to zoom y & y2 axis

问题描述

我有一个用wgnuplot这样的情节:

I have a plot like this using wgnuplot:

绿色和蓝色在y2轴上.

the green and blue are on y2 axis.

问题1:

使用鼠标右键缩放时，我得到:

When I zoom using right mouse button I get:

y轴上的黑线在顶部附近被压缩.此时如何自动获得y比例以适合此窗口的数据.也就是说，我不必键入范围命令?

The black line on yaxis is to compressed near top. How can I get the y scale to fit the data for this window at this point AUTOMATICALLY. I.e.e without me having to type range commands?

问题2:

再次，是否有通过鼠标重新缩放y2轴的缩放比例?

Again, is there anyway to rescale/zoom the y2axis ALONE, by mouse?

推荐答案

只需按'a'或单击autoscale按钮即可调整y比例.也许您想在此之前使用set autoscale xfix.

Just press 'a' or click the autoscale button to adjust the y-scale. Maybe you want to use set autoscale xfix before that.

它不是用鼠标，但是您可以使用bind命令通过热键"alt-z"和"alt-y"仅重新缩放y2轴:

Its not by mouse, but you can use the bind command to rescale only the y2-axis with the hotkeys 'alt-z' and 'alt-y':

bind 'alt-z' 'set y2range[GPVAL_Y2_MIN*2:GPVAL_Y2_MAX*2]; replot'
bind 'alt-y' 'set y2range[GPVAL_Y2_MIN*0.5:GPVAL_Y2_MAX*0.5]; replot'

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