c_theme: Theme

In JohnCoene/charter: Wrapper for 'Chart.js'

Description

Define chart theme.

Usage

c_theme(
  c,
  point_radius = 3,
  point_style = "circle",
  point_rotation = 0,
  point_color = "rgba(0, 0, 0, 0.1)",
  point_border_color = "rgba(0, 0, 0, 0.1)",
  point_border_width = 1,
  point_hit_radius = 1,
  point_hover_radius = 4,
  point_hover_border_width = 1,
  line_tension = 0.4,
  line_color = "rgba(0, 0, 0, 0.1)",
  line_border_width = 3,
  line_border_color = "rgba(0, 0, 0, 0.1)",
  line_border_cap_style = c("butt", "round", "square"),
  line_border_dash = NULL,
  line_border_dash_offset = 0,
  line_border_join_style = c("miter", "bevel", "round"),
  line_cap_bezier = TRUE,
  line_cubic_interpolation = c("default", "monotone"),
  line_fill = TRUE,
  line_stepped = FALSE,
  rect_color = "rgba(0, 0, 0, 0.1)",
  rect_border_width = 0,
  rect_border_color = "rgba(0, 0, 0, 0.1)",
  rect_border_skip = c("bottom", "left", "top", "right"),
  arc_angle = NULL,
  arc_color = "rgba(0, 0, 0, 0.1)",
  arc_border_align = "center",
  arc_border_color = "#fff",
  arc_border_width = 2
)

Arguments

c	An object of class charter as returned by c_hart.
point_radius	Point radius.
point_style	Point style, see section below.
point_rotation	Point rotation in degrees.
point_color	Point fill color.
point_border_color	Point border color.
point_border_width	Point stroke width.
point_hit_radius	Extra radius added to point radius for hit detection.
point_hover_radius	Point radius when hovered.
point_hover_border_width	Stroke width when hovered.
line_tension	Bézier curve tension (0 for no Bézier curves).
line_color	Line fill color.
line_border_width	Line border width.
line_border_color	Line stroke color.
line_border_cap_style	Line cap style
line_border_dash	Line dash, see MDN.
line_border_dash_offset	Line dash offset value.
line_border_join_style	Line join style.
line_cap_bezier	Set to TRUE to keep Bézier control inside the chart, FALSE for no restriction.
line_cubic_interpolation	Interpolation mode to apply.
line_fill	How to fill the area under the line.
line_stepped	Set to TRUE to show the line as a stepped line (tension will be ignored).
rect_color	Bar fill color.
rect_border_width	Bar stroke width.
rect_border_color	Bar stroke color.
rect_border_skip	Border to exclude.
arc_angle	A numeric defining arc angle to cover, defaults to circumference / (arc count).
arc_color	Arc fill color.
arc_border_align	Arc stroke alignment.
arc_border_color	Arc border color.
arc_border_width	Arc border width.

Point Styles

• circle

• cross

• crossRot

• dash

• line

• rect

• rectRounded

• rectRot

• star

• triangle

Stepped Line

• A boolean FALSE, TRUE

• A character string, before, after, middle

Line Fill Modes

• An aboslute index as integer e.g.: 1.

• A relative index as string e.g.: -1

• Boundary one of start, end, or origin

• Logical, TRUE or FALSE

Examples

c_hart(cars, caes(speed, dist)) %>% 
 c_line() %>% 
 c_theme(point_radius = 8)

JohnCoene/charter documentation built on Feb. 20, 2022, 11:07 p.m.