r语言 - 如何在格子中设置默认的 par.settings 主题



例如:

mytheme <- trellis.par.get()
mytheme$strip.border$col = 'grey80'
mytheme$strip.background$col = 'grey80'
mytheme$axis.line$col = 'grey80'
mytheme$axis.text$col = 'grey60'
mytheme$plot.symbol$pch = 20
mytheme$plot.symbol$cex = .5
mytheme$plot.symbol$col = '#7AC5CD'
mytheme$plot.symbol$alpha = .8
l.sc <- update(scatter.lattice, par.settings = mytheme,
               layout = c(3, 2),
               between = list(x = 0.3, y = 0.3))
print(l.sc)

如何将par.settings的默认值设置为mytheme


在《Lattice Multivariate Data Visualization with R》一书中,第131页,作者给出了这样一个例子:

lattice.options(lattice.theme = standard.theme("pdf"))

但我看不出如何使其适应当前的情况。我试过了:

lattice.options(lattice.theme = mytheme)

而且它不起作用。

主题可以永久设置(即,它们将影响所有后续情节,直到新的设置指定)使用 trellis.par.set() 函数:

 trellis.par.set(mytheme) ## mythme is a named list with settings parameters

其中mytheme是一个列表(不需要调用trellis.par.get()):

mytheme <- list()
mytheme$strip.border$col = 'grey80'
mytheme$strip.background$col = 'grey80'
mytheme$axis.line$col = 'grey80'
mytheme$axis.text$col = 'grey60'
mytheme$plot.symbol$pch = 20
mytheme$plot.symbol$cex = .5
mytheme$plot.symbol$col = '#7AC5CD'
mytheme$plot.symbol$alpha = .8

要临时设置主题,您可以设置格子的"par.settings"参数绘图功能。例如,这是latticeExtra设置 ggplot2 类似主题的方式:

library(latticeExtra) 
xyplot(exp(1:10) ~ 1:10, type = "b", 
       par.settings = ggplot2like())

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