Although closed source, the creators of PCRaster tend to distribute their
code as a linkable library, e.g. for use from a python environment. I
guess that a pcraster package for R would be possible this way. Now
someone who will take the initiative writing it...
--
Edzer

Roger Bivand wrote:

>>Hi.
>>
>> Against images imported by RGDAL, can R executeãEUREURTomlin's Map Algebra
>>or
>>Cartographic
>>Modelling(http://mutate.echiron.com/doc_center/library/pcraster/x30.htm)?
>>    
>>
>
>Cell by cell operations would work, because then you don't need to know
>where you are. Any other operations do need to know, and wouldn't work
>without functions being written. Maybe these are best handled in GIS - you
>refer to PCRaster, which is downloadable, although closed source, for
>Windows. GRASS is a cross-platform alternative, and its r.mapcalc gets you
>a long way - my choice would be to write a wrapper to convert the image to
>the structure needed to output to a GRASS raster, and do the work there.
>Perhaps it would help to be able to create a new GRASS LOCATION from
>within R running within GRASS?
>
>Roger
>
>  
>
>> Regards.
>>
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>>    
>>
>
>
>  
>

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