Plot legend for graduated size lines maps.
legendGradLines(pos = "topleft", title.txt = "Title of the legend",
title.cex = 0.8, values.cex = 0.6, breaks, lwd, col, values.rnd = 2,
cex = 1, frame = FALSE)
Arguments
- pos
- position of the legend, one of "topleft", "top",
"topright", "left", "right", "bottomleft", "bottom", "bottomright".
- title.txt
- title of the legend.
- title.cex
- size of the legend title.
- values.cex
- size of the values in the legend.
- breaks
- break points in sorted order to indicate the intervals
for assigning the width of the lines
- lwd
- a vector giving the width of the lines.
- col
- color of symbols.
- values.rnd
- number of decimal places of the values in
the legend.
- cex
- size of the legend. 2 means two times bigger.
- frame
- whether to add a frame to the legend (TRUE) or
not (FALSE).
Examples
data("nuts2006")
plot(nuts0.spdf)
box()
legendGradLines(title.txt = "Title of the legend",
pos = "topright",
title.cex = 0.8,
values.cex = 0.6, breaks = c(1,2,3,4,10.2,15.2),
lwd = c(0.2,2,4,5,10),
col ="blue", values.rnd =2)
