在R，bReeze包中对齐网格线 [英] Aligning grid lines in R, bReeze package

问题描述

我正在尝试使下图中的网格线正常工作.使用bReeze软件包通过以下方式绘制涡轮机的功率曲线:

I am trying to get grid lines work properly in the image below. Using the bReeze package to plot the power curves of the turbines with:

library(bReeze)
pc=pc("Vestas_V90_1.8MW.wtg") 
plot(pc)

输出图为:

但借助以下方法将网格线分配给绘图:

but assigning grid lines to the plot with the help of:

grid()

给出以下图片:

关于如何修复扭曲的网格线的任何建议?

Any suggestions on how to fix the distorted grid lines?

推荐答案

如果您不提供一些参数(例如mar，xlim，ylim)， plot(pc)使用par(mar = c(5, 5, 1, 5)并将data.ranges视为xlim和ylim.通过使用这些属性，您可以使用grid().

If you don't give some arguments (e.g., mar, xlim, ylim), plot(pc) uses par(mar = c(5, 5, 1, 5) and treats data.ranges as xlim and ylim. By using these properties, you can use grid().

pc.data = pc("Vestas_V90_1.8MW.wtg")
plot(pc.data)
par(mar = c(5, 5, 1, 5), new=T)                           # set par() and order to overlay
plot(pc.data[[1]], pc.data[[2]], type="n", ann=F, axes=F) # nothing but setting xy-cordinates
grid(NULL)                                     # here, the same xy-coordinates are reproduced

# If you want to adjust grid lines to right y-axis, use berow code
:
par(mar = c(5, 5, 1, 5), new=T)                   # plot(pc) uses right ylim=c(0,1)
plot(pc.data[[1]], pc.data[[2]], ylim=c(0,1), type="n", ann=F, axes=F)
grid(NULL)                                        # the xy(right)-coordinates are reproduced

# If you plot pc.object having single y-axis, use mar = c(5, 5, 1, 1)

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