RiverLabel: River Labels on River Charts

In rivervis: River Visualisation Tool

Description

This adds the name labels to the plotted rivers.

Usage

RiverLabel(riverlayout, cex = 0.7, adj = c(0, -1), srt = 90,
  col = "black", pos = NULL, offset = 0.5, corner = "lb")

Arguments

riverlayout	the output list of RiverLayout or RiverMap.
cex	text size.
adj	text adjustment. One or two values in [0,1] for x and y (optional) adjustment.
srt	text angle.
col	text colour.
pos	text position. 1 for below, 2 for left, 3 for above, and 4 for right. See par for details. It overrides adj if it is not NULL.
offset	text position offset.
corner	river label position, which can be at any of the four river chart corners. "lt" for left-top, "lb" for left-bottom, "rt" for right-top, "rb" for right-bottom.

Author(s)

Feng Mao

See Also

RiverLayout, RiverDraw, RiverMap. par.

Examples

data(Ballinderry)

riverlayout <- RiverLayout(B.river$River,B.river$Length,
                           B.river$Parent,B.river$Position,
                           B.river$Distance, direction = -1)
RiverDraw(riverlayout)

RiverLabel(riverlayout, corner = "lt", srt = 0, adj = c(0, -0.7))

RiverLabel(riverlayout, corner = "lb")

RiverLabel(riverlayout, corner = "rt", srt = -90)

rivervis documentation built on May 1, 2019, 7:28 p.m.