addShadowText: Add shadow text (a second color bordering the text) to a plot

In AJEinstein/SMITE: Significance-based Modules Integrating the Transcriptome and Epigenome

Description

This is a usefule function to help text stand out on busy backgrounds like gene networks

Usage

addShadowText(x, y = NULL, labels, col = "white", bg = "black", 
theta = seq(pi/4, 2 * pi, length.out = 8), r = 0.1, ...)

Arguments

x	A numeric vector of x coordinates
y	A numeric vector of y coordinates
labels	A character vector to be plotted at the specified coordinates
col	The text color
bg	The color of the outline
theta	The number of shadows to plot
r	The radius for the shadows
...	Additional plotting arguments

Details

The function creates its effect by plotting theta shadows at r radius around the text to create the illusion of a text shadow

Value

Adds shadow text to plot

Note

This function was adapted by N. Ari Wijetunga for SMITE.

Author(s)

Greg.Snow <at> imail.org

References

http://article.gmane.org/gmane.comp.lang.r.general/147787

See Also

text, mtext

Examples

plot.new()

addShadowText(x = .5,y = .5,"TEST",col="white",bg="gray")

AJEinstein/SMITE documentation built on Oct. 23, 2021, 7:44 a.m.