plot.tri {tripack} | R Documentation |
plots the triangulation "x"
plot.tri(x, add=FALSE,xlim=range(x$x),ylim=range(x$y), do.points=TRUE, ...)
x |
object of class "tri" |
add |
logical, if TRUE , add to a current plot. |
do.points |
logical, indicates if points should be plotted. |
xlim,ylim |
x/y ranges for plot |
... |
additional plot parameters |
None
A. Gebhardt
R. J. Renka (1996). Algorithm 751: TRIPACK: a constrained two-dimensional {Delaunay} triangulation package. ACM Transactions on Mathematical Software. 22, 1-8.
# random points plot(tri.mesh(rpois(100,lambda=20),rpois(100,lambda=20),duplicate="remove")) # use a part of the quakes data set: data(quakes) quakes.part<-quakes[(quakes[,1]<=-10.78 & quakes[,1]>=-19.4 & quakes[,2]<=182.29 & quakes[,2]>=165.77),] quakes.tri<-tri.mesh(quakes.part$lon, quakes.part$lat, duplicate="remove") plot(quakes.tri) # use the whole quakes data set # (will not work with standard memory settings, hence commented out) #plot(tri.mesh(quakes$lon, quakes$lat, duplicate="remove"), do.points=F)