R - 仅绘制文本 [英] R - Plot Only Text

问题描述

好奇如何创建一个只有文本信息的情节.这基本上是绘图窗口的打印".

Curious how one might create a plot with only text information. This will essentially be a "print" for the plot window.

到目前为止，我发现的最佳选择如下:

The best option I've found so far is the following:

  library(RGraphics)
  library(gridExtra)

    text = paste("\n   The following is text that'll appear in a plot window.\n",
           "       As you can see, it's in the plot window",
           "       One might imagine useful informaiton here")
    grid.arrange(splitTextGrob(text))

但是，人们无法控制(据我所知)字体类型、大小、对齐方式等.

However, one doesn't have control (as far as I can tell) over font type, size, justification and so on.

推荐答案

您可以使用基本图形来做到这一点.首先，您需要从绘图窗口中删除所有边距:

You can do this using base graphics. First you'll want to take away all of the margins from the plot window:

par(mar = c(0,0,0,0))

然后你将绘制一个空图:

And then you'll plot an empty plot:

plot(c(0, 1), c(0, 1), ann = F, bty = 'n', type = 'n', xaxt = 'n', yaxt = 'n')

这是这里发生的事情的指南(使用 ?plot.default 和 ?par 了解更多详细信息):

Here's a guide to what's going on here (use ?plot.default and ?par for more details):

• ann - 显示注释(设置为 FALSE)
• bty - 边框类型(无)
• type - 绘图类型(不产生点或线的类型)
• xaxt - x 轴类型(无)
• yaxt - y 轴类型(无)

• ann - Display Annotoations (set to FALSE)
• bty - Border Type (none)
• type - Plot Type (one that produces no points or lines)
• xaxt - x axis type (none)
• yaxt - y axis type (none)

现在绘制文本.我去掉了多余的空格，因为它们似乎没有必要.

Now to plot the text. I took out the extra spaces because they didn't seem to be necessary.

text(x = 0.5, y = 0.5, paste("The following is text that'll appear in a plot window.\n",
                             "As you can see, it's in the plot window\n",
                             "One might imagine useful informaiton here"), 
     cex = 1.6, col = "black")

现在恢复默认设置

par(mar = c(5, 4, 4, 2) + 0.1)

希望能帮到你！

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