Strike Slip Fault
Plot a strike slip fault
SSfault(x, y, h = 1, hoff = 0.15, rot = list(cs = 1, sn = 0), col = "black", dextral = TRUE, lwd = 1)
x
: x-coordinatesy
: y-coordinatesh
: length of symbolhoff
: distance from linerot
: rotation listcol
: colordextral
: logical, TRUE=dextral polaritylwd
: line widthRotation vector is provided as list(cs=vector(), sn=vector()).
Graphical Side effects
Jonathan M. Leesjonathan.lees@unc.edu
GEOsymbols
G=list() G$x=c(-1.0960,-0.9942,-0.8909,-0.7846,-0.6738,-0.5570,-0.4657,-0.3709, -0.2734,-0.1740,-0.0734, 0.0246, 0.1218, 0.2169, 0.3086, 0.3956, 0.4641, 0.5293, 0.5919, 0.6530, 0.7131) G$y=c(-0.72392,-0.62145,-0.52135,-0.42599,-0.33774,-0.25896,-0.20759, -0.16160,-0.11981,-0.08105,-0.04414,-0.00885, 0.02774, 0.06759, 0.11262, 0.16480, 0.21487, 0.27001, 0.32895, 0.39044, 0.45319) plot(G$x, G$y, type='n',asp=1, axes=FALSE, xlab='', ylab='') g = PointsAlong(G$x, G$y, N=3) lines(G$x,G$y,col='blue') ### left lateral strike slip: sinestral sk = 2 SSfault(g$x,g$y,h=sk,hoff=sk, rot=g$rot , col='blue', dextral=FALSE) ### right lateral strike slip: dextral plot(G$x, G$y, type='n',asp=1, axes=FALSE, xlab='', ylab='') lines(G$x,G$y,col='blue') SSfault(g$x,g$y,h=sk,hoff=sk, rot=g$rot , col='blue', dextral=TRUE)
Useful links