Thanks; for your case, with current spacetime, stplot(ciotat.t, panel=function(x,y,...) { panel.xyplot(x,y,...) sp.lines(contour) } )
might do what you need; I'll look into having sp.layout work the same way as it does in spplot, for stplot'ing STIDF objects. Best wishes, On 08/25/2011 01:28 PM, Mathieu Rajerison wrote: > Hi Edzer, > > > Thanks for your answer. > > stplot(ciotat.t) gives a good result: > http://www.imagup.com/data/1128936911.html > > It represents evolution of urbanization along time, each point being the > date and location of the first building for the city "La Ciotat". > > The object is irregular because each spatial location appears one time. I'd > like to overlay the city contour of "La Ciotat" to better vizualize it. > http://data.imagup.com/10/1128936911.png > > I've sent on your email my STIDF object ciotat.t and my SpatialLines object > contour I want to be overlaid, if you have some time to look after it. > > Thanks a lot, > > > Mathieu > > 2011/8/25 Edzer Pebesma <edzer.pebe...@uni-muenster.de> > >> Hi Mathieu, >> >> the idea behind stplot is indeed that it should be as easy as spplot, >> hence its name. This idea is however much easier than practice, as the >> number of possible (and useful) plots for S/T data might be quite large. >> >> I would be helpful if you could provide (or generate) a simple data set >> of your type (STIDF), explain what it represents, and tell how you'd >> want it to be plotted. Does stplot(ciotat.t) give what you want, i.e. is >> passing the sp.layout the only problem? >> >> Best regards, >> -- >> Edzer >> >> >> On 08/25/2011 10:12 AM, Mathieu Rajerison wrote: >>> Hi, >>> >>> >>> I have a STIDF points object named ciotat.t that I've tried to plot with >> a >>> city contour named contour. >>> >>> I tried this but it doesn't work: >>>> stplot(ciotat.t, sp.layout= list("sp.lines", contour)) >>> >>> Also, this doesn't work: >>>> stplot(ciotat.t, panel=function(...) { >>> sp.lines(contour) >>> panel.pointsplot(...) >>> }) >>> >>> I thought it was as easy as with spplot.The documentation tells that >>> arguments are passed on to spplot in case of stplot.STFDF, and to xyplot >> in >>> case of >>> stplot.STIDF. So, the method may be a little different in my case >> (STIDF)? >>> >>> Any help would be appreciated, >>> >>> Mathieu >>> >>> [[alternative HTML version deleted]] >>> >>> _______________________________________________ >>> R-sig-Geo mailing list >>> R-sig-Geo@r-project.org >>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo >> >> -- >> Edzer Pebesma >> Institute for Geoinformatics (ifgi), University of Münster >> Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 >> 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de >> http://www.52north.org/geostatistics e.pebe...@wwu.de >> >> _______________________________________________ >> R-sig-Geo mailing list >> R-sig-Geo@r-project.org >> https://stat.ethz.ch/mailman/listinfo/r-sig-geo >> > > [[alternative HTML version deleted]] > > > > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo