[R-sig-Geo] writeRaster error: unknown file format

[Robert J. Hijmans]

Paulo,

This has been fixed in raster 2.2-16 (development version). You can
install and try it:
install.packages("raster", repos="http://R-Forge.R-project.org")

Robert

On Fri, Jan 24, 2014 at 7:53 AM, pecardoso <pauloeducardoso at gmail.com> wrote:
> Hello all. Thanks for your time.
>
> Robert, True about format, but 'IDRISI' file format is also there and I've
> used format = 'IDRISI' ultil recently, and it was working just fine with
> exactly the same procedure.
>
> About running scripts from RStudio and R console, I'm not skilled enough to
> understand the differences.
>
> in my system, writeFormats() returns:
>
> name        long_name
> [1,] "raster"    "R-raster"
> [2,] "SAGA"      "SAGA GIS"
> [3,] "IDRISI"    "IDRISI"
> ...
> [36,] "RST"       "Idrisi Raster A.1"
>
> With older versions of raster package, the argument format='IDRISI' also
> produced 'IDRISI Raster A.1' files.
>
> Latest version in fact is not accepting format = 'IDRISI' for the
> RasterLayer created from reading the 16 bis Landsat TIF file and is
> returning the error:
> Error in .setFileExtensionHeader(filename, filetype) : unknown file format
>
> Changing to format = 'RST' isn't better. I get the error:
> Error in .local(.Object, ...) : Unable to create dataset
>
> The behavior is the same running this from  within RStudio and from the R
> console.
>
> Maybe with the same data it would be better, or reproducible.
>
> Here
> <https://www.dropbox.com/s/is2td4t6uwc44fq/LC81810682013122LGN01_B2.TIF>
> the link to the landast image (107Mb).
>
> For the resulting RasterLayer
> GDALinfo('...\\LC81810682013122LGN01_B2.tif')
> rows        7311
> columns     7521
> bands       1
> lower left origin.x        370485
> lower left origin.y        -1388715
> res.x       30
> res.y       30
> ysign       -1
> oblique.x   0
> oblique.y   0
> driver      GTiff
> projection  +proj=utm +zone=33 +datum=WGS84 +units=m +no_defs
> file        C:\Users\Strix\Downloads\LC81810682013122LGN01_B2.tif
> apparent band summary:
>   GDType hasNoDataValue NoDataValue blockSize1 blockSize2
> 1 UInt16          FALSE           0          1       7521
> apparent band statistics:
>   Bmin  Bmax Bmean Bsd
> 1    0 65535    NA  NA
> Metadata:
> AREA_OR_POINT=Point
> Warning message:
> statistics not supported by this driver
>
> Eddie, I generally do not use setwd when sharing scripts with colleagues. I
> usually define paths to some shared folder. It's not working anyway. From my
> sessionInfo string you will se that I'm running rgdal.
>
> Could it be something with rgdal (and gdal) installation after package
> update? For a  similar problem
> <http://r-sig-geo.2731867.n2.nabble.com/problem-with-writeRaster-and-GeoTIFF-format-td7583541.html>
> users suggests re-install of rgdal, gdal and its libraries.
>
>
>
> --
> View this message in context: http://r-sig-geo.2731867.n2.nabble.com/writeRaster-error-unknown-file-format-tp7585627p7585632.html
> Sent from the R-sig-geo mailing list archive at Nabble.com.
>
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