Re: [R] Controlling line-join style in Lattice

2012-08-22 Thread Peter Ehlers

I should add that you can also use the par.settings()
mechanism to set your linejoin specification on the fly:

 x <- 1:4; y <- c(1,3,2,4)
 xyplot(y ~ x, type = "l", lwd = 20,
par.settings = list(grid.pars = list(linejoin = "mitre")))

Peter Ehlers

On 2012-08-22 12:28, Peter Ehlers wrote:

You can set grid parameters in the grid.pars component of
trellis.par.get().

   x <- 1:4; y <- c(1,3,2,4)
   xyplot(y ~ x, type = "l", lwd = 20)  # default linejoin

   ## set linejoin to 'mitre'
   trellis.par.set(grid.pars = list(linejoin = "mitre"))
   xyplot(y ~ x, type = "l", lwd = 20)

Peter Ehlers

On 2012-08-22 11:09, Morgan, Andrew Parker wrote:

R users,

I am creating a series of scatterplots with Lattice's xyplot().  Some of the plotting symbols are 
squares with thick borders.  The corners of the squares are rounded by default; I would like them 
to be square.  In base graphics this is easily done with par(ljoin = "mitre"), and in 
grid graphics with gpar(linejoin = "mitre").  Is there an analogous parameter in Lattice? 
 Passing ljoin as an argument to xyplot() or panel functions doesn't seem to work, and I can't find 
anything promising in lattice.par.get().

Thanks,
Andrew Morgan
Department of Genetics
University of North Carolina - Chapel Hill
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Re: [R] Controlling line-join style in Lattice

2012-08-22 Thread Peter Ehlers

You can set grid parameters in the grid.pars component of
trellis.par.get().

 x <- 1:4; y <- c(1,3,2,4)
 xyplot(y ~ x, type = "l", lwd = 20)  # default linejoin

 ## set linejoin to 'mitre'
 trellis.par.set(grid.pars = list(linejoin = "mitre"))
 xyplot(y ~ x, type = "l", lwd = 20)

Peter Ehlers

On 2012-08-22 11:09, Morgan, Andrew Parker wrote:

R users,

I am creating a series of scatterplots with Lattice's xyplot().  Some of the plotting symbols are 
squares with thick borders.  The corners of the squares are rounded by default; I would like them 
to be square.  In base graphics this is easily done with par(ljoin = "mitre"), and in 
grid graphics with gpar(linejoin = "mitre").  Is there an analogous parameter in Lattice? 
 Passing ljoin as an argument to xyplot() or panel functions doesn't seem to work, and I can't find 
anything promising in lattice.par.get().

Thanks,
Andrew Morgan
Department of Genetics
University of North Carolina - Chapel Hill
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.



__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.