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

2008-09-18 Thread Benjamin Ducke
PROTECTED] Betreff: Re: [GRASS-user] v.generalize / reanimation of dead lines ? On 29.08.2008 18:54, Dylan Beaudette wrote: I have noticed this behavior as well when using v.generalize. I will try and dig up the exact situation that caused it-- but I am pretty sure

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

2008-09-01 Thread Peter Löwe
@lists.osgeo.org, [EMAIL PROTECTED], [EMAIL PROTECTED], Daniel Bundala [EMAIL PROTECTED] Betreff: Re: [GRASS-user] v.generalize / reanimation of dead lines ? On 29.08.2008 18:54, Dylan Beaudette wrote: I have noticed this behavior as well when using v.generalize. I will try and dig up

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

2008-09-01 Thread Markus Metz
: grass-user@lists.osgeo.org, [EMAIL PROTECTED], [EMAIL PROTECTED], Daniel Bundala [EMAIL PROTECTED] Betreff: Re: [GRASS-user] v.generalize / reanimation of dead lines ? On 29.08.2008 18:54, Dylan Beaudette wrote: I have noticed this behavior as well when using v.generalize. I

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

2008-09-01 Thread Daniel Bundala
On Mon, Sep 1, 2008 at 3:55 PM, Markus Metz [EMAIL PROTECTED] wrote: As far as I understand the source code v.generalize discards all centroids and builds them anew at the end, area topology is not maintained during simplification. Dear all, That is correct. The intention was that the

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

2008-08-29 Thread Dylan Beaudette
On Thursday 28 August 2008, Hamish wrote: Peter: 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

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

2008-08-29 Thread Wolf Bergenheim
On 29.08.2008 18:54, Dylan Beaudette wrote: I have noticed this behavior as well when using v.generalize. I will try and dig up the exact situation that caused it-- but I am pretty sure that the initial linework was correct = unclean deletion. That is very much possible. This module is

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

2008-08-28 Thread peter . loewe
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)

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

2008-08-28 Thread Wolf Bergenheim
Peter, Have you tried to v.build snap the lined before you generalize them? --Wolf On 28.08.2008 19:04, [EMAIL PROTECTED] 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).