I have managed to use the tripack package which is a bit simpler to use (for me) and performs better (timely)...
################################################## # inputFile format: x y z inputFile <- "d:\\inputfile.xyz.txt" # output file will contain a x3d scene embedded in a html file to be viewed in a browser supporting WebGL/X3DOM outputFile <- "d:\\scene.x3d.html" library(tripack) points <- read.table( inputFile ) mesh <- tri.mesh(x, y) tris <- triangles(mesh) nodes <- cbind(tris[,1], tris[,2], tris[,3]) write("<html><head><link rel='stylesheet' type='text/css' href=' http://www.x3dom.org/download/x3dom.css'></link></head><body> <X3D profile='Interchange' style='width:100%;height100%'><Scene><Transform><Shape DEF='river'> <Appearance><Material ambientIntensity='0.0' diffuseColor='0.7 0.4 0' shininess='1.0'/></Appearance> <IndexedTriangleSet index='", file=outputFile, append=FALSE) write.table(nodes, file=outputFile, row.names=FALSE, col.names=FALSE, append = TRUE) write("'><Coordinate point='", file=outputFile, append=TRUE) write.table(cbind(x,y,z), file=outputFile, row.names=FALSE, col.names=FALSE, append = TRUE) write("'/></IndexedTriangleSet></Shape></Transform></Scene></X3D> <script type='text/javascript' src='http://www.x3dom.org/download/x3dom.js'></script></body></html>", file=outputFile, append=TRUE) ################################################## 2012/7/20 Rolf Turner <rolf.tur...@xtra.co.nz> > On 19/07/12 20:40, Erdal Karaca wrote: > >> Oh, I dont want anyone to do anything for me. I am just asking for >> hints/infos to be able to do it myself... >> I was hoping that someone has already done this... >> But anyways, I will post my solution once I have succeeded... >> > > If you haven't already looked at it, you may find it helpful to experiment > with the "triang.list()" function and the "z" argument to "deldir()". > > If I understand correctly what you are after, the output of triang.list() > may go some way toward providing it. > > cheers, > > Rolf Turner > [[alternative HTML version deleted]] ______________________________________________ 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.