[R-sig-Geo] Polygons VS MultiLineString

[Michael Sumner]

Try gPolygonize from rgeos, but it *really* depends on whether your lines
close cleanly.

On Wed, 4 Mar 2015 18:38 Antonio Rodriges <antonio.rrz at gmail.com> wrote:

> Hello,
>
> I use "rasterToContour" to derive isolines for raster. After that I
> save them as GeoJSON (or ESRI Shapefile). However, it saves contours
> as "MultiLineString"
>
> Is it possible to save "contours" as "Polygons"?
>
> Code:
>
> to_c - is a raster
> contours <- rasterToContour(to_c, levels = c(18, 33))
> writeOGR(contours, "file.js", layer="", driver="GeoJSON")
>
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