Layer a text

Source: R/l_layer.R

Loon's displays that are based on Cartesian coordinates (i.e. scatterplot, histogram and graph display) allow for layering visual information including polygons, text and rectangles.

layer a single character string

l_layer_text(
  widget,
  x,
  y,
  text,
  color = "gray60",
  size = 6,
  angle = 0,
  label = "text",
  parent = "root",
  index = 0,
  ...
)

Arguments

widget

widget path name as a string
x

coordinate
y

coordinate
text

character string
color

color of text
size

size of the font
angle

rotation of text
label

label used in the layers inspector
parent

group layer
index

of the newly added layer in its parent group
...

additional state initialization arguments, see l_info_states

Value

layer object handle, layer id

Details

As a side effect of Tcl's text-based design, it is best to use l_layer_text if one would like to layer a single character string (and not l_layer_texts with n=1).

For more information run: l_help("learn_R_layer")

See also

l_layer, l_info_states

Examples

if(interactive()){

p <- l_plot()
l <- l_layer_text(p, 0, 0, "Hello World")

}