[GRASS-user] v.generalize / reanimation of dead lines ?

Wolf Bergenheim wolf+grass at bergenheim.net
Thu Aug 28 13:59:47 EDT 2008


Peter,

Have you tried to v.build snap the lined before you generalize them?

--Wolf

On 28.08.2008 19:04, peter.loewe at gmx.de wrote:
> Hi,
> 
> when trying to derive a continous coast_line_ from the GSHHS data
> set. For this, the data was reduced using v.generalize (douglas,
> threshold=0.001).
> 
> Since the reduced coastline consists of several lines (with
> individual categories), I tried v.build to snap them together into a
> (hopefully) one long and friendly line.
> 
> Alas, v.build throws:
> 
> V2_read_line_nat(): Attempt to read dead line 26199
> 
> Any advice how to "reanimate" the dead lines ??
> 
> 
> Peter

-- 

<:3 )---- Wolf Bergenheim ----( 8:>



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