Nothing
writerandomdiffuse <- function(n, intensity=NULL){
spher <- angledist('spherical')
zen <- drawsample(spher,n)
az <- runif(n,0,2*pi)
if(is.null(intensity))intensity <- 1/n
sky <- data.frame(zen=zen, az=az, intensity=intensity)
write.table(sky, "randomdiffuse.dat",col.names=FALSE, row.names=FALSE)
}
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