网格线与轴上的刻度一致 [英] Grid line consistent with ticks on axis

问题描述

我很尴尬地问这个简单的问题，但是每当我创建一个情节时，我就一直在思考:

I am embarrassed to ask this simple question, but has been in kicking my mind for several days whenever I create a plot:

plot (x = 1:10, y = rnorm (10, 5, 2))
grid (10,10, lty = 6, col = "cornsilk2")

我想将网格定位在标记轴的位置，即 x 轴上的 2、4、6、8、10 以及 y 轴上的类似 3、4、5、6、7、8.

I want to position the grids right at where axis are labelled, i.e. at 2, 4, 6, 8, 10 in x axis and similarly 3, 4, 5, 6, 7, 8 in y axis.

我想自动化这个过程，因为只要绘图大小改变，默认标签行为就会改变.见下图:

I want to automate the process as whenever the plot size changes the default label behaviour changes. See the following plot:

推荐答案

来自 ?grid 对 nx 和 ny 参数的描述:

From ?grid description of the nx and ny arguments:

当为 NULL 时，默认情况下，网格与网格上的刻度线对齐对应的默认轴(即 axTicks 计算的刻度线)

When NULL, as per default, the grid aligns with the tick marks on the corresponding default axis (i.e., tickmarks as computed by axTicks)

plot (x = 1:10, y = rnorm (10, 5, 2)) 
grid (NULL,NULL, lty = 6, col = "cornsilk2") 

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