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ggplot2_themes.R
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#' @importFrom ggplot2 %+replace%
theme_dark_bg_base <- function(base_size = 12, base_family = "sans",
base_line_size = base_size / 22,
base_rect_size = base_size / 22)
{
relsize <- sapply(as.numeric(size_list), `/`,
y = as.numeric(size_list$normalsize))
names(relsize) <- names(size_list)
half_line <- base_size * 0.5
ggplot2::theme_grey(
base_size = base_size,
base_family = base_family,
base_line_size = base_line_size,
base_rect_size = base_rect_size
) %+replace%
ggplot2::theme(line = element_line(size = base_line_size,
linetype = 1,
lineend = "butt",
colour = "grey80"),
rect = element_rect(size = base_rect_size,
linetype = 1,
fill = NA,
colour = "grey80"),
text = element_text(family = base_family,
face = "plain",
colour = "grey80",
size = base_size,
angle = 0,
hjust = 0.5,
vjust = 0.5,
lineheight = 1,
margin = margin(),
debug = FALSE),
title = element_text(),
## Axis
#axis.line = element_line(),
axis.text = element_text(size = rel(relsize["small"])),
axis.ticks = element_line(),
axis.title = element_text(size = rel(relsize["large"])),
axis.title.x = element_text(margin = margin((10/6) * half_line,0,0,0)),
axis.title.y = element_text(angle = 90,
margin = margin(0,(10/6) * half_line,0,0)),
axis.ticks.length = unit(half_line / 2, "pt"),
## Legend
legend.background = element_blank(),
legend.spacing = unit(1.2 / 100, "npc"),
legend.key = element_blank(),
legend.key.size = unit(1.2, "lines"),
legend.key.height = NULL,
legend.key.width = NULL,
legend.text = element_text(size = rel(relsize["small"])),
legend.text.align = NULL,
legend.title = element_text(size = rel(relsize["large"]),
hjust = 0),
legend.title.align = 0.5,
legend.position = "bottom",
legend.direction = "horizontal",
legend.justification = "center",
legend.box = "vertical",
## plotting region
panel.background = element_rect(fill = alpha('grey80', 0.05),
linetype = 0),
panel.border = element_blank(),
panel.grid.major = element_line(colour = "grey50", size = 0.35),
panel.grid.minor = element_line(colour = "grey30", size = 0.2),
panel.spacing = unit(half_line, "pt"),
panel.spacing.x = NULL,
panel.spacing.y = NULL,
panel.ontop = FALSE,
## facetting options
strip.background = element_blank(),
strip.text = element_text(size = rel(relsize["large"])),
strip.text.x = element_text(margin = margin(0, 0, (5/6) * half_line, 0)),
strip.text.y = element_text(angle = -90,
margin = margin(0, half_line, 0, (5/6) * half_line )),
strip.placement = "inside",
strip.placement.x = NULL,
strip.placement.y = NULL,
strip.switch.pad.grid = unit(half_line / 2, "pt"),
strip.switch.pad.wrap = unit(half_line / 2, "pt"),
plot.background = element_blank(),
plot.title = element_text(size = rel(relsize["Large"]),
hjust = 0.5,
margin = margin(0,0,5,0)),
plot.subtitle = element_text( # font size "regular"
hjust = 0, vjust = 1,
margin = margin(b = half_line)
),
plot.caption = element_text( # font size "small"
size = rel(0.8),
hjust = 1, vjust = 1,
margin = margin(t = half_line)
),
plot.tag = element_text(
size = rel(1.2),
hjust = 0.5, vjust = 0.5
),
plot.tag.position = 'topleft',
plot.margin = margin(half_line, half_line, half_line, half_line),
complete = TRUE)
}
#' minimal theme for dark backgrounds
#'
#' @inheritParams ggplot2::theme_bw
#' @export
#' @rdname theme_jcolors
#' @examples
#' library(ggplot2)
#'
#' p <- ggplot(mtcars) + geom_point(aes(x = wt, y = mpg,
#' colour = factor(gear))) + facet_grid(vs~am)
#' p + theme_dark_bg()
#'
theme_dark_bg <- function(base_size = 12,
base_family = "sans",
base_line_size = base_size / 22,
base_rect_size = base_size / 22)
{
theme_dark_bg_base(base_size = eval(base_size),
base_family = base_family,
base_line_size = base_line_size,
base_rect_size = base_rect_size)
}
#' minimal theme for light backgrounds
#'
#' @inheritParams ggplot2::theme_bw
#' @export
#' @rdname theme_jcolors
#' @import ggplot2
#' @examples
#'
#' p <- ggplot(mtcars) + geom_point(aes(x = wt, y = mpg,
#' colour = factor(gear))) + facet_grid(vs~am)
#' p + theme_light_bg()
#'
theme_light_bg <- function(base_size = 12,
base_family = "sans",
base_line_size = base_size / 22,
base_rect_size = base_size / 22)
{
theme_dark_bg_base(base_size = eval(base_size),
base_family = base_family,
base_line_size = base_line_size,
base_rect_size = base_rect_size) +
theme(
line = element_line(colour = "grey10"),
rect = element_rect(colour = "grey10"),
text = element_text(colour = "grey10"),
panel.background = element_rect(fill = alpha('grey90', 0.075)),
panel.grid.major = element_line(colour = "grey90", size = 0.35),
panel.grid.minor = element_line(colour = "grey98", size = 0.2)
)
}
size_list <- list(HUGE = 28,
Huge = 24.88,
huge = 20.74,
LARGE = 17.28,
Large = 14.4,
large = 12,
normalsize = 10,
small = 9,
footnotesize = 8,
scriptsize = 7,
tiny = 5,
verytiny = 2.5,
zero = 0)