[Qgis-user] Run R RandomForest classification Script using Sextante

[Agustin Lobo]

Could you post the script with line breaks? it is almost unreadable
as you've send it.

Unless Victor has modified sextante lately, sextante does not read
raster layers in R
using the raster package, thus including the original script
http://biodiversityinformatics.amnh.org/file.php?file_id=628)

in Sextante as it is now is not going to be a major advantage.

Your fix
satImage =stack(inImage)

is probably not going to solve the bottom problem, it is just
syntactically accepted, but I do not think the variable satImage
actually get the required information. You can check with
show(satimage) and/or summary(satimage).

'overlay' is deprecated." is normal, because it is a deprecated R
function. You should use over() instead, but
read help(over) as (I think that) it does not have the same
input-output than overlay()

Victor, are you attending the upcoming meeting in Girona? Perhaps we
could find there some time to work on
Sextante and package raster.

Agus

On Wed, Feb 20, 2013 at 7:39 AM, geantsverts <clardeux at yahoo.fr> wrote:
> Hello,
>
> I think I have solved one part of my problem replacing "satImage =inImage "
> by "satImage =stack(inImage)"
>
> However, now I have 2 errors :
> The firt one is
> "temp <- overlay(vec, xy_allClasses)
> Message d'avis :
> 'overlay' is deprecated."
>
> I have no idea of the problem
>
> And the next is probably more easy :
> "filename" variable mean string path filename contrary to mine "outImage"
> which is propably a pointer (or similar) to the output due to input/output
> sextante reading.
> How can I have the file name path from sextante output raster variable ?
>
> "predict(satImage, randfor, filename=outImage, progress='text',
> format='GTiff', datatype='INT1U', type='response', overwrite=TRUE)"
>
> Thanks in advance for your help.
>
>
>
> --
> View this message in context: http://osgeo-org.1560.n6.nabble.com/Run-R-RandomForest-classification-Script-using-Sextante-tp5034709p5035393.html
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