[R-sig-Geo] from R to ArcMap

[Paul Hiemstra]

On 05/28/2010 10:58 AM, Rui Catarino wrote:
> Hello to all,
>
>
>
> Is there a way of transforming an output of levelplot function in a
> ArcMap raster?
>
> Basically I have a script from a colleague that uses data from surveys
> and transforms it into smooth levelplot's.
>
> I have look around but all I get is the opposite from ArcMap raster to
> R.
>    
Hi Rui,

If you have your data in the following format in a data.frame (which you 
do not specify):

x    y    z
1    1    3.42
1    2    4.51

You can transfer this to a SpatialPixelsDataFrame by:

coordinates(bla) = ~x+y

assuming your data.frame is named bla. See the documentation of the 
sp-package for more information. After this conversion you can export 
the data to any GIS raster format that your installation of rgdal supports.

cheers,
Paul
>
>
> Thanks in advance
>
> Rui
>
>
>
>
>
>
>
>
>
> Rui Catarino
>
> Scientific Officer
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-- 
Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
Heidelberglaan 2
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3508 TC Utrecht
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Phone:  +3130 253 5773 Wed-Fri
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http://nl.linkedin.com/pub/paul-hiemstra/20/30b/770