perpen {GEOmap} | R Documentation |
draw perpendicular marks along line
perpen(x, y, h, rot, col = "black", lwd = 1)
x |
x-coordinates |
y |
y coordinates |
h |
height of tooth |
rot |
rotation of teeth |
col |
color of line |
lwd |
line width |
Used by faultperp
graphical side effects
Jonathan M. Lees<jonathan.lees@unc.edu
PointsAlong, faultperp
plot(c(-5,5), c(-5,5), asp=1, type='n' ) ff=list() ff$x=c(-4.850,-4.700,-3.934,-2.528, 0.603, 2.647, 3.861, 2.626) ff$y=c(-4.045,-2.087,-0.710, 0.172, 1.291, 2.087,-0.753,-4.131) G =getspline(ff$x, ff$y, kdiv=20) g = PointsAlong(G$x, G$y, N=5) lines(G) perpen(g$x, g$y, .3, g$rot, col = "black", lwd = 1)