[GRASS-user] Query: number of 'areas' reported in v.build output does not necessarily represent different geographical areas

[Vincent Bain]

Thank you Markus,
good news !
how long has it been implemented ?

Vincent


Le mercredi 08 mai 2013 à 16:27 +0200, Markus Metz a écrit :
> On Wed, May 8, 2013 at 11:56 AM, RichardC <richtcooper at hotmail.com> wrote:
> > Thanks for your fast replies. I'll certainly take a look at the script.
> >
> > Snapping with v.clean seems to work quite nicely on this occasion:
> 
> Easier (and maybe safer) would be to snap already during import with
> v.in.ogr snap=
> 
> BTW, in the latest versions of GRASS, v.in.ogr suggest a snapping
> threshold if errors are encountered.
> 
> Markus M
> 
> >
> >                 snap lines/boundaries   0.000001
> >                 break lines/boundaries  0.00
> >                 remove duplicates       0.00
> >                 remove small angles at nodes    0.00
> >                 break lines/boundaries  0.00
> >                 break polygons  0.00
> >                 remove duplicates       0.00
> >                 remove lines/boundaries of zero length  0.00
> >                 remove duplicate area centroids 0.00
> >
> > Output:
> > Number of nodes: 774
> > Number of primitives: 786
> > Number of points: 0
> > Number of lines: 0
> > Number of boundaries: 776
> > Number of centroids: 10
> > Number of areas: 14
> > Number of isles: 2
> > Number of areas without centroid: 4
> >
> >
> >
> >
> >
> > --
> > View this message in context: http://osgeo-org.1560.x6.nabble.com/Query-number-of-areas-reported-in-v-build-output-does-not-necessarily-represent-different-geographics-tp5052007p5052033.html
> > Sent from the Grass - Users mailing list archive at Nabble.com.
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