[R] writeRaster dataType changes

[Pascal Oettli]

Hi Emma,

In writeRaster(), the argument is "datatype", not "dataType".

Hope this helps,
Pascal


On Fri, Sep 26, 2014 at 3:08 AM, White, Emma <emma.white at sdstate.edu> wrote:
> Hi,
>
> I am reading in some raster files and converting them to GeoTiff (using the
> raster package), I want them to be 8 bit unsigned integer (values in the
> case of this particular raster range from 0 to 55). However when writing the
> raster to GeoTiff R seems to assign it to dataType "FLT4S" despite
> specifying the dataType. See example code below:
>
> foo<- raster(raster.files[1],datatype = INT1U)
> dataType(foo)
> [1] "INT1U"
> fool<- writeRaster(foo,filename=paste("../test/",raster.files[1],sep=""),
> format="GTiff",dataType = 'INT1U',overwrite=TRUE)
> dataType(fool)
> [1] "FLT4S"
>
> Any help/ insight would be appreciated. Thanks!
>
>
> Emma
>
> --
> Emma White
> PhD Candidate
> Geospatial Science Center of Excellence
> South Dakota State University
> Email: Emma.White at sdstate.edu
> Web: http://globalmonitoring.sdstate.edu/people.php?view=3&a=show&id=86
>
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-- 
Pascal Oettli
Project Scientist
JAMSTEC
Yokohama, Japan