ok, the problem is that, as noted by Carson,
I must use get("v") and not get(v).
But still have problems to use get() within stack() or brick():
> r1 = raster(SM[,,1])
> r2 = raster(SM[,,2])
> r3 = raster(SM[,,3])
> v = c("r1","r2","r3")
> get("v")
[1] "r1" "r2" "r3"
> bSM = brick(get(v))
Error in .rasterObjectFromFile(x, objecttype = "RasterBrick", ...) :
file: r1r2r3 does not exist
Calls: brick -> brick -> .local -> .rasterObjectFromFile
( I'm trying to use get() because have to
create a brick with 360 files that have been read as raster objects within
a loop using assign() )
Agus
2010/11/19 Robert J. Hijmans <r.hijm...@gmail.com>:
> This suggest that you have an object "r1" that is a Raster* object.
> Perhaps because of a saved session?
> Have you looked at
> ls()
> Robert
>
> On Fri, Nov 19, 2010 at 1:24 PM, Agustin Lobo <alobolis...@gmail.com> wrote:
>> Hi again!
>>
>> I'm having problems because cannot use get() from base once package
>> raster has been installed:
>>
>>> v = c("r1","r2","r3")
>>> v
>> [1] "r1" "r2" "r3"
>>> get(v)
>> Loading required package: raster
>> Loading required package: sp
>> raster version 1.6-22 (17-November-2010)
>> class : RasterLayer
>> nrow : 18
>> ncol : 36
>> ncell : 648
>> projection : +proj=longlat +datum=WGS84 +ellps=WGS84 +towgs84=0,0,0
>> xmin : -180
>> xmax : 180
>> ymin : -90
>> ymax : 90
>> xres : 10
>> yres : 10
>>
>> Even not having loaded raster, it gets automatically loaded once I
>> call get(). Is this a bug?
>> In general, is there a way to force that, in case of conflict, you run
>> a particular function from a given package?
>>
>> Thanks!
>>
>> Agus
>>
>
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