On 05/14/2011 04:55 PM, Cristina Silva wrote: > Dear all, > > I have a SpatialLinesDataFrame with bathymetric lines, built with: > > cl <- > ContourLines2SLDF(contourLines(as.image.SpatialGridDataFrame(prof.grid2["z"]), > levels=c(50, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 2000, > 3000, 4000))) > > This object has all the bathymetric lines. Is there any way to plot some > of the lines using this object or do I have to build the SLDF with only > the lines that I want to plot?
well, you can do it in a single pass, using selection; try: plot(cl[1:3]) > > Regards, > > Cristina > > -- 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