a layer with a watermark that can be added to a plot
Arguments
text
What should be written on the plot
scale
the size
rot
rotation of the mark. Don't remember the unit.
col
the colour (a value, not an expression) of the
watermark. Default is grey.
alpha
alpha value for the watermark. Default is 0.5.
Details
This used to be based on
https://www.r-bloggers.com/adding-watermarks-to-plots/ That
solution stopped working, and this new solution is simpler and
based on ggplot2 alone.
See Also
Other Plotting:
canvasSize(),
ggstamp(),
ggwrite()