[R-sig-Geo] Selecting cells in a raster

[Agustin Lobo]

Manuel,
What do you mean by "it didn't work?
You should have got an object named forest,
post the same info as for cob_r

Agus

On Tue, Oct 15, 2013 at 6:49 PM, Manuel Spínola <mspinola10 at gmail.com> wrote:
> Dear list members,
>
> I have a raster with land use data (with values from 1 to 9).  I want to
> select the cells with value 1 wich belong to forest.  How can I do that?  I
> was trying:
>
> forest <- cob_r ==1
> plot(forest)
>
> but it didn´t work
>
>> cob_r
> class       : RasterLayer
> dimensions  : 314, 236, 74104  (nrow, ncol, ncell)
> resolution  : 300, 300  (x, y)
> extent      : 447181, 517981, 1121851, 1216051  (xmin, xmax, ymin, ymax)
> coord. ref. : +proj=tmerc +lat_0=0 +lon_0=-84 +k=0.9999 +x_0=500000 +y_0=0
> +datum=WGS84 +units=m +no_defs +ellps=WGS84 +towgs84=0,0,0
> data source : in memory
> names       : layer
> values      : 1, 9  (min, max)
>
> --
> *Manuel Spínola, Ph.D.*
> Instituto Internacional en Conservación y Manejo de Vida Silvestre
> Universidad Nacional
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