[GRASS-dev] v.univar question: Why not lines and areas?

[Michael Barton]

On Jan 29, 2008, at 11:38 PM, Moritz Lennert wrote:
>>>
>> This is all very interesting. It is a bit worrisome too. I don't  
>> want a mean of an attribute column weighted by area unless I  
>> specifically ask for it. This suggests that people using v.univar  
>> may not be getting what they think they are getting. I think it is  
>> an excellent option, but should not be a silent default.
>
> Well, since the results are not printed, the problem doesn't really  
> exist. The patch I sent doesn't weight at all, just counts features.
>
>> How to count the features is a bit of an issue, but couldn't this  
>> be left up to the user too--summarize by cat or by individual  
>> feature as an option?
>
> That's why I think we should have a library function which  
> calculates stats (i.e. extend what it is the v.class code), and let  
> the modules deal with such issues.
>
> Moritz


Sounds very good to me.

Michael