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#' Custom theme "industRial" for the book industRial Data Science plots
#'
#' @description
#' This theme aims at optimal balance between readability and precision. It has
#' adapted from the package {cowplot} by Claus O.Wilke and reflects the principles
#' of his book \href{https://clauswilke.com/dataviz/}{Fundamentals of Data Visualization }
#'
#' @references
#' For a complete case study application refer to \url{https://j-ramalho.github.io/industRial/}
#'
#' @details
#' Apply this theme by adding it at the end of the code of any \code{\link[ggplot2]{ggplot}} chart.
#' It basically combines the half open theme with a grid background from {cowplot}
#'
#' @param font_size defaults to 14
#' @param font_family defaults to ""
#' @param line_size defaults to 0.5
#' @param rel_small defaults to 12/14
#' @param rel_tiny defaults to 11/14
#' @param rel_large defaults to 16/14
#' @param base_size internal arguments, defaults to font_size
#' @param base_family internal arguments, defaults to font_family
#'
#' @return
#' This function returns an object of classes theme and gg from the ggplot2 package
#' @export
#'
#' @importFrom ggplot2 %+replace%
#' @examples
#' library(dplyr)
#' library(ggplot2)
#'
#' pet_delivery %>%
#' ggplot(aes(x = A)) +
#' geom_histogram(color = "grey", fill = "grey90") +
#' labs(title = "PET clothing case study",
#' subtitle = "Raw data plot",
#' x = "Treatment",
#' y = "Tensile strength [MPa]") +
#' theme_industRial()
theme_industRial <- function (font_size = 14, font_family = "", line_size = 0.5,
rel_small = 12/14, rel_tiny = 11/14, rel_large = 16/14,
base_size = font_size, base_family = font_family)
{
half_line <- font_size / 2
small_size <- rel_small * font_size
ggplot2::theme_grey(base_size = font_size, base_family = font_family) %+replace%
ggplot2::theme(
line = ggplot2::element_line(
color = "black",
size = line_size,
linetype = 1,
lineend = "butt"
),
rect = ggplot2::element_rect(
fill = NA,
color = NA,
size = line_size,
linetype = 1
),
text = ggplot2::element_text(
family = font_family,
face = "plain",
color = "black",
size = font_size,
hjust = 0.5,
vjust = 0.5,
angle = 0,
lineheight = 0.9,
margin = ggplot2::margin(),
debug = FALSE
),
axis.line = ggplot2::element_line(
color = "black",
size = line_size,
lineend = "square"
),
axis.line.x = NULL,
axis.line.y = NULL,
axis.text = ggplot2::element_text(color = "black",
size = small_size),
axis.text.x = ggplot2::element_text(margin = ggplot2::margin(t = small_size / 4),
vjust = 1),
axis.text.x.top = ggplot2::element_text(margin = ggplot2::margin(b = small_size / 4),
vjust = 0),
axis.text.y = ggplot2::element_text(margin = ggplot2::margin(r = small_size / 4),
hjust = 1),
axis.text.y.right = ggplot2::element_text(margin = ggplot2::margin(l = small_size / 4),
hjust = 0),
axis.ticks = ggplot2::element_line(color = "black",
size = line_size),
axis.ticks.length = ggplot2::unit(half_line / 2,
"pt"),
axis.title.x = ggplot2::element_text(margin = ggplot2::margin(t = half_line / 2),
vjust = 1),
axis.title.x.top = ggplot2::element_text(margin = ggplot2::margin(b = half_line / 2),
vjust = 0),
axis.title.y = ggplot2::element_text(
angle = 90,
margin = ggplot2::margin(r = half_line /
2),
vjust = 1
),
axis.title.y.right = ggplot2::element_text(
angle = -90,
margin = ggplot2::margin(l = half_line / 2),
vjust = 0
),
legend.background = ggplot2::element_blank(),
legend.spacing = ggplot2::unit(font_size, "pt"),
legend.spacing.x = NULL,
legend.spacing.y = NULL,
legend.margin = ggplot2::margin(0,
0, 0, 0),
legend.key = ggplot2::element_blank(),
legend.key.size = ggplot2::unit(1.1 *
font_size, "pt"),
legend.key.height = NULL,
legend.key.width = NULL,
legend.text = ggplot2::element_text(size = ggplot2::rel(rel_small)),
legend.text.align = NULL,
legend.title = ggplot2::element_text(hjust = 0),
legend.title.align = NULL,
legend.position = "right",
legend.direction = NULL,
legend.justification = c("left",
"center"),
legend.box = NULL,
legend.box.margin = ggplot2::margin(0,
0, 0, 0),
legend.box.background = ggplot2::element_blank(),
legend.box.spacing = ggplot2::unit(font_size, "pt"),
panel.background = ggplot2::element_blank(),
panel.border = ggplot2::element_blank(),
panel.grid = ggplot2::element_line(
color = "grey85",
size = 0.5,
linetype = 1,
lineend = "butt"
),
panel.grid.major = NULL,
panel.grid.minor = NULL,
panel.grid.major.x = NULL,
panel.grid.major.y = NULL,
panel.grid.minor.x = NULL,
panel.grid.minor.y = NULL,
panel.spacing = ggplot2::unit(half_line, "pt"),
panel.spacing.x = NULL,
panel.spacing.y = NULL,
panel.ontop = FALSE,
strip.background = ggplot2::element_rect(fill = "grey80"),
strip.text = ggplot2::element_text(
size = ggplot2::rel(rel_small),
margin = ggplot2::margin(half_line / 2, half_line /
2, half_line / 2,
half_line / 2)
),
strip.text.x = NULL,
strip.text.y = ggplot2::element_text(angle = -90),
strip.placement = "inside",
strip.placement.x = NULL,
strip.placement.y = NULL,
strip.switch.pad.grid = ggplot2::unit(half_line / 2,
"pt"),
strip.switch.pad.wrap = ggplot2::unit(half_line / 2,
"pt"),
plot.background = ggplot2::element_blank(),
plot.title = ggplot2::element_text(
colour = "#38598CFF",
face = "bold",
size = ggplot2::rel(rel_large),
hjust = 0,
vjust = 1,
margin = ggplot2::margin(b = half_line)
),
plot.subtitle = ggplot2::element_text(
size = ggplot2::rel(rel_small),
hjust = 0,
vjust = 1,
margin = ggplot2::margin(b = half_line)
),
plot.caption = ggplot2::element_text(
size = ggplot2::rel(rel_tiny),
hjust = 1,
vjust = 1,
margin = ggplot2::margin(t = half_line)
),
plot.tag = ggplot2::element_text(
face = "bold",
hjust = 0,
vjust = 0.7
),
plot.tag.position = c(0, 1),
plot.margin = ggplot2::margin(half_line,
half_line, half_line, half_line),
complete = TRUE
)
}
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