如何查看存储图的代码(ggplot) [英] How to see the code of a stored plot (ggplot)

问题描述

我想知道是否可以查看存储在变量中的绘图的代码.例如，给定以下图:

I want to know whether it is possible to see the code of a plot that is stored in a variable. For example, given the following plot:

library(ggplot2)

myData <- data.frame(x=1:100, y = 100:1)
myPlot <- ggplot(myData, aes(x,y)) + geom_line()

我想要一个函数"seeCode"，该函数返回用于构建绘图的实际代码:

I'd like to have a function "seeCode" that returns the actual code used to construct the plot:

>seeCode(myPlot)
  ggplot(myData, aes(x,y)) + geom_line()

推荐答案

该信息未保留.没有从ggplot对象到生成它的代码的一对一映射，就像无法知道"5"是来自"3 + 2"还是"4 + 1"一样.

That information isn't retained. There's not a one-to-one mapping from ggplot object to the code that produced it, just as there's no way to know if a "5" came from "3+2" or "4+1".

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