[GRASS-user] bug?: v.to.db wrong area

[Achim Kisseler]

Hi Markus,

its the same with hectares; kilometers writes out the result in
square-kilometers.

Achim

Markus Metz schrieb:
> 
> Achim Kisseler wrote:
>> Hi,
>>
>> I am using
>>
>> v.to.db map=af_grid option=area columns=area type=centroid
>> units=kilometers
>>   
> try units=hectares, kilometers are not an areal unit, don't know why
> v.to.db executes at all
> 
> you can cross-check the results by querying the map
> 
> hope that helps,
> 
> Markus M
> 
>> (in GRASS65 opensuse 11.1 64)
>>
>> to calculate the area size. Some of the areas are very wrong. Its a grid
>> in lat-lon, where areas should be nearly equal in size.
>>
>> Is this a known bug? I don't guess so.
>> Do I something wrong?
>>
>> Thanks,
>> Achim
>>
>> PS:
>> already did v.clean, r.mask -r (<- should not be have an effect)
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>>