v.support response

[Marty McKimmey]

> 
> 
> 
> I have recently digitized landuse areas using v.digit.  On running v.support
> I get the following error message:
> 
>     Warning:  area 141 label: 205 matched another label 205
>     Warning:  area 143 label: 201 matched another label 205
> 
>        # of lines: 272
>        # of nodes: 271
>        # of areas: 272
>        # of isles: 271
>        # of atts: 402
>        # of unattached atts: 0
>        Snapped lines: 0
> 
> After running v.clean on the data, I still got the same warnings.  What does 
> this mean and how do I fix the data.  There are many of these warning 
> messages.
> 
> Thank you, 
> Daphne
> 
> This occurs when there are two labels for the same area.  I have had this 
> occur when I have run v.support on a file originating from v.patch.  I have 
> also seen this with frenquintly edited vector files.  I don't worry about 
> the ones that have the same label, but you should worry about matches of 
> different labels.  The only way I have found to fix this is to unlable in 
> V.digit all problem areas, exit, run v.support again, then go back to v.digit
> and see if these problem areas are labeled ( whether correct or not).  
> Unfortunately, the area numbers reported by v.support are not usable as a
> reference.  Good Luck!!!!

> Marty McKimmey
> baxter.uark.edu

> University of Arkansas, Fayetteville.
> Soil Physics Laboratory 501 575-3590