# plot.voronoi

0th

Percentile

##### Plot a voronoi object

Plots the mosaic "x".

Dashed lines are used for outer tiles of the mosaic.

Keywords
spatial
##### Usage
# S3 method for voronoi
xlim=c(min(x$tri$x)-
0.1*diff(range(x$tri$x)),
max(x$tri$x)+
0.1*diff(range(x$tri$x))),
ylim=c(min(x$tri$y)-
0.1*diff(range(x$tri$y)),
max(x$tri$y)+
0.1*diff(range(x$tri$y))),
all=FALSE,
do.points=TRUE,
main="Voronoi mosaic",
sub=deparse(substitute(x)),
isometric=FALSE,
...)
##### Arguments
x

object of class "voronoi"

logical, if TRUE, add to a current plot.

xlim

x plot ranges, by default modified to hide dummy points outside of the plot

ylim

y plot ranges, by default modified to hide dummy points outside of the plot

all

show all (including dummy points in the plot

do.points

logical, indicates if points should be plotted.

main

plot title

sub

plot subtitle

isometric

generate an isometric plot (default FALSE)

...

None

##### References

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

voronoi, print.voronoi, summary.voronoi

• plot.voronoi
##### Examples
# NOT RUN {
# plot a random mosaic
plot(voronoi.mosaic(runif(100),runif(100),duplicate="remove"))
# use isometric=TRUE and all=TRUE to see the complete mosaic
# including extreme outlier points:
plot(voronoi.mosaic(runif(100),runif(100),duplicate="remove"),
all=TRUE, isometric=TRUE)
# use a part of the quakes data set:
data(quakes)
quakes.part<-quakes[(quakes[,1]<=-17 & quakes[,1]>=-19.0 &
quakes[,2]<=182.0 & quakes[,2]>=180.0),]
quakes.vm<-voronoi.mosaic(quakes.part$lon, quakes.part$lat,
duplicate="remove")
plot(quakes.vm, isometric=TRUE)
# use the whole quakes data set
# (will not work with standard memory settings, hence commented out here)
#plot(voronoi.mosaic(quakes$lon, quakes$lat, duplicate="remove"), isometric=TRUE)
# }

Documentation reproduced from package tripack, version 1.3-9.1, License: ACM | file LICENSE

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