Layer a rectangle

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.

l_layer_rectangle(
  widget,
  x,
  y,
  color = "gray80",
  linecolor = "black",
  linewidth = 1,
  label = "rectangle",
  parent = "root",
  index = 0,
  ...
)

Arguments

widget

widget path name as a string
x

x coordinates
y

y coordinates
color

fill color, if empty string "", then the fill is transparant
linecolor

outline color
linewidth

linewidth of outline
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

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_rectangle(p, x=c(2,3), y=c(1,10), color='steelblue')
l_scaleto_layer(l)

}