如何更改 R 图中图例中的字体系列？

发布于 2024-11-30 18:42:08 字数 247 浏览 1 评论 0原文

我有一个使用基本图形包的图表。对于我使用的特定点上的标签，

   text(i, MSSAcar$summary[i,7]+.7, qld$LGA[i],
   col='red',  cex=.7, family='serif')

我还在图中使用了它作为主标题和轴标签。他们都按预期出来了。

当我添加图例时，我似乎无法设置字体系列。

任何人都可以帮忙吗？

谢谢。

原文

I have a graph use the base graphics package. For the labels on specific points I use

   text(i, MSSAcar$summary[i,7]+.7, qld$LGA[i],
   col='red',  cex=.7, family='serif')

I have also used this in the plot for main titles and axis labels. They all come out as expected.

When I add a legend I cannot seem to be able to set the font family.

Can anyone help please.

Thanks.

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一张白纸 2024-12-07 18:42:08

在调用 legend() 之前将 family 绘图参数设置为您想要的值。通过显式调用 par() 来完成此操作。这是一个简单的示例

x <- y <- 1:10
plot(x, y, type = "n")
text(x = 5, y = 5, labels = "foo", family = "serif")

## set the font family to "serif"
## saving defaults in `op`
op <- par(family = "serif")

## plot legend as usual
legend("topright", legend = "foo legend", pch = 1, bty = "n")

## reset plotting parameters
par(op)

实际上，您可以在第一次调用 plot() 之前更改 family 并省略 family = "serif" > 调用 text() 中的参数。通过 par() 设置对于当前设备来说是全局的，在函数调用中使用参数对于该调用来说是本地的。

上面的代码产生：
使用带有图例的族

Set the family plotting parameter before calling legend() to the value you want. Do this via an explicit call to par(). Here is a simple example

x <- y <- 1:10
plot(x, y, type = "n")
text(x = 5, y = 5, labels = "foo", family = "serif")

## set the font family to "serif"
## saving defaults in `op`
op <- par(family = "serif")

## plot legend as usual
legend("topright", legend = "foo legend", pch = 1, bty = "n")

## reset plotting parameters
par(op)

Really, you could change family before you do the first call to plot() and leave out the family = "serif" argument in the call to text(). Setting via par() is global for the current device, using parameters within function calls is local to that call.

The above code produces:
use of family with legend

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