Agus,

I think you can ignore this warning, but better still would be to run

update.packages()

or at least update the raster package, as I think the warning goes away
after you do that.

Robert


On Wed, Apr 4, 2012 at 9:51 AM, Agus Camacho <agus.camacho@gmail.com> wrote:

> Dear list,
>
> For first time after using it several times, I had warnings using the crop
> function with a raster stack from soil layers in format geotiiff derived
> from the HWSD.
>
> http://spatial-analyst.net/wiki/index.php?title=Global_datasets#Soil.2Fgeology_maps
>
> specifically, when:
>
> soil=crop(soil, extent(-180,180,-56,83.5))
>
> > warnings()Warning messages:
> 1: In if (!datatype %in% c("LOG1S", "INT1S", "INT2S", "INT4S",  ... :
>  the condition has length > 1 and only the first element will be used
> 2: In if (datatype == "LOGIC") { ... :
>  the condition has length > 1 and only the first element will be used
> 3: In if (datatype == "BYTE") { ... :
>  the condition has length > 1 and only the first element will be used
> 4: In if (datatype == "SMALL") { ... :
>  the condition has length > 1 and only the first element will be used
> 5: In if (datatype == "INTEG") { ... :
>
>
>  a so on for a number of  datatypes.
>
> I am new to soil modeling and cant figure out any reason for this,
> specially because in other instances it did not appear such a messages.
> Anybody could tell me what happened and if the layers are still usable
> after these warnings?
>
> Thanks a lot! Think modelling would not be possible for a lot of people
> without this list..
>
>
> There it goes my session info.
>
> > sessionInfo()R version 2.14.1 (2011-12-22)
> Platform: x86_64-pc-mingw32/x64 (64-bit)
>
> locale:
> [1] LC_COLLATE=English_Australia.1252  LC_CTYPE=English_Australia.1252
>   LC_MONETARY=English_Australia.1252
> [4] LC_NUMERIC=C                       LC_TIME=English_Australia.1252
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
>  [1] maptools_0.8-14    foreign_0.8-48     geosphere_1.2-26
> rgdal_0.7-8        outliers_0.14      XML_3.9-4.1
>  [7] PBSmapping_2.62.34 dismo_0.7-14       raster_1.9-58
> sp_0.9-93          ggplot2_0.9.0      lattice_0.20-0
> [13] plyr_1.7.1
>
> loaded via a namespace (and not attached):
>  [1] colorspace_1.1-1   dichromat_1.2-4    digest_0.5.2
> grid_2.14.1        MASS_7.3-16        memoise_0.1
>  [7] munsell_0.3        proto_0.3-9.2      RColorBrewer_1.0-5
> reshape2_1.2.1     scales_0.2.0       stringr_0.6
> [13] tools_2.14.1
>
>
> --
> Agustín Camacho Guerrero.
> Doutorando em Zoologia.
> Laboratório de Herpetologia, Departamento de Zoologia, Instituto de
> Biociências, USP.
> Rua do Matão, trav. 14, nº 321, Cidade Universitária,
> São Paulo - SP, CEP: 05508-090, Brasil.
>
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>
>
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>

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