Nothing
findline <-
function(x, xb, plot = T)
{
if(!plot) {
x <- Proj(x)
xb <- Proj(xb)
}
xr <- yr <- rep(0, 3 * (length(x$y) + length(xb$y)))
nxr <- 0
ab <- ab1 <- rep(0, length(xb$x))
li <- prepare.line(x$x)
ind <- c(1:length(x$x))
ind <- ind[is.na(x$x)]
if(length(ind) > 0)
x$x[ind] <- x$y[ind] <- -999999
xr <- .C("define_multiline", PACKAGE = "geo",
as.double(x$x),
as.double(x$y),
as.double(xb$x),
as.double(xb$y),
as.double(xr),
as.double(yr),
as.integer(length(x$y)),
as.integer(length(xb$y)),
as.integer(nxr),
as.integer(li$lx1),
as.integer(li$lx2),
as.integer(li$nlx),
as.integer(plot),
as.double(ab),
as.double(ab1))
nxr <- xr[[9]]
yr <- xr[[6]]
yr <- yr[1:nxr]
xr <- xr[[5]]
xr <- xr[1:nxr]
ind <- c(1:nxr)
ind <- ind[xr < -999998]
xr[ind] <- NA
yr[ind] <- NA
if(!plot) {
xr <- invProj(xr, yr)
xr <- data.frame(list(lat = xr$lat, lon = xr$lon))
return(invisible(xr))
}
else return(list(y = yr, x = xr, nxr = nxr))
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.