plot.tri

From tripack v1.0-1

Plot a triangulation object

plots the triangulation "tri.obj"

Usage

plot(tri.obj, add=FALSE, do.points=T, ...)

Arguments

tri.obj: object of class "tri"
add: logical, if TRUE, add to a current plot.
do.points: logical, indicates if points should be plotted.
...: additional plot parameters

Value

None

References

R. J. Renka (1996). Algorithm 751: TRIPACK: a constrained two-dimensional {Delaunay} triangulation package. ACM Transactions on Mathematical Software. 22, 1-8.

Examples

# random points
plot(tri.mesh(rpois(100,lambda=20),rpois(100,lambda=20),duplicate="remove"))
# use a part of the quakes data set:
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)
plot(tri.mesh(quakes$lon, quakes$lat, duplicate="remove"), do.points=F)

Documentation reproduced from package tripack, version 1.0-1, License: R functions: GPL, Fortran code: available at netlib

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