[GRASS-user] Generalization or interpolation using the majority

António Rocha antonio.rocha at deimos.com.pt
Tue Dec 21 07:14:55 EST 2010


Hi Markus

It seems that it does exacly what I want. I just have one question:
I need to first set the region spatial resolution to 200 before I run 
r.resamp.stats right?
THanks
Antonio
Markus Metz wrote:
> 2010/12/21 António Rocha <antonio.rocha at deimos.com.pt>:
>   
>> Greetings
>>
>> I have a raster classification  map with a 100 meters resolution and I want
>> to interpolate to 200m resolution using GRASS and, the output value must be
>> the most frequent value (majority).
>>     
>
> r.resamp.stats method=mode
>
> would do that
>
> Markus M
>
>
>   
>> Here goes an examples. Intput:
>> 1 1 1 1 1 2 3 4
>> 1 2 2 3 2 2 3 3
>> 2 2 5 2 2 2 2 2
>> 3 2 5 5 1 3 4 5
>> Output must be:
>> 1 1 2 3
>> 2 5 2 2
>>
>> My question is what method do you advise to be used?
>>
>> Thanks
>> Antonio
>>
>>
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>
>
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