I think you're trying to plot the contour of some data (rainfall). I tried
searching 'contour raster r' and based on the results I can say that you
have at least these two options:

require(rasterVis)
f <- system.file("external/test.grd", package="raster")
r <- raster(f)
levelplot(r, contour = TRUE)
contourplot(r)

Cheers,
Roman



On Sat, Jul 26, 2014 at 12:20 PM, Sancta Vega <sanctavega@gmail.com> wrote:

> Someone can help me. I want to plot isohyete map of my country using R.
> I need any idea.
>
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-- 
In God we trust, all others bring data.

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