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args = commandArgs(trailingOnly=T)
N1 = as.numeric(args[1])
N2 = as.numeric(args[2])
infile = args[3]
M = as.matrix(read.table(infile))
L = dim(M)[1]
if (dim(M)[2] != L) { stop("Matrix not square") }
if (N1 + N2 != L) { stop("Wrong number of points.") }
# Actually do the MDS
library(stats)
points = cmdscale(M,k=3)
#library(MASS)
#mds = isoMDS(M)
#points = mds$points
first = 1
group = 1
for (i in 1:L)
{
if (i == N1+1)
{
group = 2
first = N1+1
}
cat(sprintf("%f\t%f\t%f\t%i\t%i\n",points[i,1], points[i,2], points[i,3],group,i-first))
}
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