mf_theme function

Set a theme

This function set a map theme. The parameters set by this function are the figure margins, background and foreground colors and some mf_title options. Use mf_theme(NULL) or mf_theme('default') to reset to default theme settings.

mf_theme(x, bg, fg, mar, tab, pos, inner, line, cex, font)

Arguments

• x: name of a map theme. One of "default", "brutal", "ink", "dark", "agolalight", "candy", "darkula", "iceberg", "green", "nevermind", "jsk", "barcelona".
• bg: background color
• fg: foreground color
• mar: margins
• tab: if TRUE the title is displayed as a 'tab'
• pos: title position, one of 'left', 'center', 'right'
• inner: if TRUE the title is displayed inside the plot area.
• line: number of lines used for the title
• cex: cex of the title
• font: font of the title

Returns

The (invisible) list of theme parameters is returned.

Details

It is also possible to set a custom theme using a list of arguments (see Examples). mf_theme() returns the current theme settings.

Examples

mtq <- mf_get_mtq()

# Choosing a theme by name:
mf_theme("default")
mf_map(mtq)
mf_title()

# Specifying some values directly:
mf_theme(bg = "darkslategrey", fg = "lightgrey")
mf_map(mtq)
mf_title()

# Using a mix of the above:
mf_theme("brutal", fg = "lightgreen", pos = "center", font = 2, tab = FALSE)
mf_map(mtq)
mf_title()

# Specifying a list with theme values:
theme <- mf_theme("default")
theme$mar <- c(1, 1, 3, 1)
theme$line <- 2
theme$cex <- 1.5
mf_theme(theme)
mf_map(mtq)
mf_title()

# or
theme <- list(
  bg = "green",
  fg = "red",
  mar = c(2, 2, 2, 2),
  tab = TRUE,
  pos = "center",
  inner = TRUE,
  line = 2,
  cex = 1.5,
  font = 3
)
mf_theme(theme)
mf_map(mtq)
mf_title()

# Obtaining a list of parameters for the current theme:
mf_theme()

# Removing the current theme:
mf_theme(NULL)
# or
mf_theme("default")