[R-sig-Geo] Is there any function to create buffer zones

[Pierre Roudier]

Hi,

See function gBuffer() in the rgeos package.

Pierre

2011/6/8 Xin LIN <linxin at craes.org.cn>:
> Hi list,
>
> Is there any function to create buffer zones for polygons? For example, here
> I have polygon shapefile of a city. I want to create a buffer zone 1km
> outside its boundary, or a buffer zone with its area equal to that of the
> city. Then which function should I use here?
>
> Any suggestion is welcome. Thank you so much for your help.
>
> Best,
>
> Xin
>
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Scientist
Landcare Research, New Zealand