You don't have to use map() to draw the map. m <- map(..., plot = FALSE) xyplot(y ~ x, m, type = "l", aspect = "iso", par.settings = list(axis.line = list(col = "transparent")))
or inside a panel function, assuming appropriate scales: panel.xyplot(m$x, m$y, ...) On 23 April 2010 04:38, David Winsemius <dwinsem...@comcast.net> wrote: > On Apr 22, 2010, at 2:24 PM, Kevin Wright wrote: > >> Mixing base/lattice graphics can be tricky, but is possible. >> >> >> http://www.bioconductor.org/CRAN/web/packages/gridBase/vignettes/gridBase.pdf > > That could be quite useful in the future. Thanks for that. > >> >> Also, did you look at Chapter 13 of the lattice book? >> http://lmdvr.r-forge.r-project.org/figures/figures.html > > I did look at the actual book, and upon doing so yet again, I would say that > my comments were an accurate, if pithy, summary of the message I take away > from what very little regarding base graphics appears in that chapter. > > -- > David. > >> >> Kevin >> >> On Wed, Apr 21, 2010 at 2:08 PM, David Winsemius <dwinsem...@comcast.net> >> wrote: >> >> On Apr 21, 2010, at 2:27 PM, Simon Goodman wrote: >> >>>> I've generated a levelplot showing the density distribution of a species >>>> derived from survey transects, with lon, lat co-ordinates. >>>> >>>> I'd like to overlay this on a map of the study region specified by: >>>> >>>> map('worldHires', xlim = range(mlon), ylim = range(mlat)), where mlon, >>>> mlat >>>> specifies the study region. >>>> >>>> > ?map >>>> No documentation for 'map' in specified packages and libraries: >>>> you could try '??map' >>>> > ??map >>>> > require(maps) >>>> Loading required package: maps >>>> > map >>> >>> So map uses base graphics. >> >> >>>> I've tried plotting the map first, then using the options: 'add=TRUE, >>>> axes=FALSE' in the levelplot, >>> >> >>> levelplot is a lattice function. You will have failure with most efforts >>> to mix base and grid graphics. >> >>>> but this doesn't work - a new plot is >>>> generated for the level plot despite the 'add' option. If I try to add >>>> the >>>> map on top of the level plot, they are not to the same scale. >>>> >>>> Any suggestions on how to get round this. >>>> >>>> Thanks >>> >> -- > > David Winsemius, MD > West Hartford, CT > > ______________________________________________ > 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. > -- Felix Andrews / 安福立 Postdoctoral Fellow Integrated Catchment Assessment and Management (iCAM) Centre Fenner School of Environment and Society [Bldg 48a] The Australian National University Canberra ACT 0200 Australia M: +61 410 400 963 T: + 61 2 6125 4670 E: felix.andr...@anu.edu.au CRICOS Provider No. 00120C -- http://www.neurofractal.org/felix/ ______________________________________________ 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.
