Re: [R] using color palette in persp
I remembered wrong, the problem rised int the next line to the mentioned one, z was wrong, and I didn't see way. But new day, new point of wiew. For anybody's interest here is the solution. The original try was this: x - seq(-1.95, 1.95, length = 30) y - seq(-1.95, 1.95, length = 35) z - as.matrix(read.table(file=mSample.dat)) # mSample.dat looks like this:104 107 (... 32l, 48c) ... (the same as in the example) ... persp(x, y, z, col=color[facetcol], phi=30, theta=-30) And it's wrong at the first three line. Now obviously, because z won't be a 30x35 matrix, but just az large as it's determined in the file. So I placed the first lines with this: z - as.matrix(read.table(file=mSample.dat)) x - seq(1, nrow(z)) y - seq(1, ncol(z)) which is probably better in this case, because the z values are not calculated from x and y, so it's no point to determine their lenghts manually. -- View this message in context: http://r.789695.n4.nabble.com/using-color-palette-in-persp-tp2328464p2329451.html Sent from the R help mailing list archive at Nabble.com. __ 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.
Re: [R] using color palette in persp
On Aug 17, 2010, at 10:35 AM, szisziszilvi wrote: I am using persp to get a plot of a 32x48 matrix. data - as.matrix(read.table(file=mySample.dat)) persp(data) And I'm having trouble with trying to give a z-dependent palette to it like rainbow (or any built in one would do). How to combine that with the col argument? Have you made the effort to work through the examples on the help page? The fourth example shows exactly how to do what you are requesting. nice day Szilvi -- View this message in context: http://r.789695.n4.nabble.com/using-color-palette-in-persp-tp2328464p2328464.html Sent from the R help mailing list archive at Nabble.com. -- 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.
Re: [R] using color palette in persp
yes, I had, and failed somehow, because I couldn't work out some points. I don't have my work with me at the moment, but will give a detailed description about my porblems. I don't remember for sure what I tried and what not, but I failed at this line: zfacet - z[-1, -1] + z[-1, -ncz] + z[-nrz, -1] + z[-nrz, -ncz] and I think there must be failures somewhere before - although no warning messages were found just for this line. Coming back tomorrow (here i'ts late). -- View this message in context: http://r.789695.n4.nabble.com/using-color-palette-in-persp-tp2328464p2328843.html Sent from the R help mailing list archive at Nabble.com. __ 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.
