[R-sig-Geo] Error when accessing raster layer (package 'raster')

[Robert J. Hijmans]

Johannes,
Please update the raster package and try again --- that is always a
good procedure when you get an error message.
Robert

On Fri, Feb 15, 2013 at 1:22 AM, Johannes Radinger
<johannesradinger at gmail.com> wrote:
> Hi,
>
> I have a rasterbrick and when I try to access a single layer of it I
> get following error:
>>  my_brick[["layer_1"]]
> class       : RasterLayer
> dimensions  : 912, 840, 766080  (nrow, ncol, ncell)
> resolution  : 50, 50  (x, y)
> extent      : 3505300, 3547300, 6025800, 6071400  (xmin, xmax, ymin, ymax)
> coord. ref. : +proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0
> +ellps=bessel +datum=potsdam +units=m +no_defs
> +towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7
> values      : in memory
> layer name  : layer_1
> min value   : 0
> max value   : 0.1841621
> Error in if (is.factor(object)) { : missing value where TRUE/FALSE needed
>
> The rasterbrick is created by a rasterstack (approx. 15 layers) that
> is masked using the function mask.
> When I try to access the same layer in the unmasked rasterstack I
> don't get the error.
>
> Any suggestions?
>
> I am using R 2.15.2 with raster 2.0-08 (27-June-2012) on Ubuntu.
>
> best regards,
> /Johannes
>
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