[R-sig-Geo] Editing a shapefile

[BRWIN338]

Good Morning:
I would like to edit the county warning area boundaries  shapefile
"w_15jl09.shp" downloaded from:
_http://www.weather.gov/geodata/catalog/wsom/html/cwa.htm_
(http://www.weather.gov/geodata/catalog/wsom/html/cwa.htm)

Several of the shapefile's polygons contain extremely small "holes" that I
would like to exclude from my plots. For example, I would like to remove
slot 2 from the polygon for area 'RIW'  (see below) and save the  results in
a new shapefile.

Any suggestions would be appreciated.

Joe

#########################################################

>  ##################################################################
>  setwd('C:\\maps\\shapefiles\\NOAA')
>  ##################################################################
>  require(maptools)
>  ##################################################################
>  Rmaps=readShapePoly("w_15jl09.shp")
> (polypick=which(_rm...@data$wfo=='RIW'_ (mailto:rm...@data$wfo=='RIW') ))
[1]  117
> Rmaps2=Rmaps[polypick,]
> plot(Rmaps2)
> # Note the  small 'line segment' in the north central interior of
> # the polygon
> _rm...@polygons[[polypick_ (mailto:rm...@polygons[[polypick) ]]
An  object of class “Polygons”
Slot "Polygons":
[[1]]
An object of class  “Polygon”
Slot "labpt":
[1] -108.79378   43.17401

Slot "area":
[1] 16.30971

Slot "hole":
[1] FALSE

Slot "ringDir":
[1] 1

Slot  "coords":
[,1]     [,2]
[1,] -107.9355 41.57830
[2,] -107.9357 41.40699

<snipped out for email>

[214,] -107.9355 41.57830


[[2]]
An object of class “Polygon”
Slot "labpt":
[1]  -108.56076   44.16804

Slot "area":
[1] 8.137762e-08

Slot "hole":
[1] TRUE

Slot "ringDir":
[1] -1

Slot "coords":
[,1]     [,2]
[1,] -108.5508 44.16797
[2,] -108.5748  44.16815
[3,] -108.5566 44.16801
[4,] -108.5508 44.16797



Slot "plotOrder":
[1] 1 2

Slot "labpt":
[1] -108.79378   43.17401

Slot "ID":
[1] "116"

Slot "area":
[1] 16.30971




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