[R-sig-Geo] help me find a buffer around a polygon

[Barry Rowlingson]

On Thu, Nov 18, 2010 at 11:58 AM, Roman Luštrik <roman.lustrik at gmail.com> wrote:

> The problem is that finding buffers around each cell on a line (second step)
> is pretty RAM greedy. Would there be a more efficient way of "growing" a
> polygon, preferably without using external software?
>

gBuffer in package rgeos:

Description:

     Expands the given geometry to include the area within the
     specified width with specific styling options.

Any good? rgeos is a bit experimental at the moment I think... You
might need to build from source.

Barry