[Qgis-user] Re: Editing polygons

[Laura Guillot]

Thank you very much! It works really!!

Laura



2011/6/28 jorgepsantos2002 <jorgepsantos2002 at gmail.com>

> Hi Laura,
>
> You must use the *Reshape Feature tool* to edit these features under
> topologic rules. Press the right button of mouse to finalize the scretch.
>
> See the video:
>
> http://www.youtube.com/watch?v=XgL2OTpBNaY
> http://www.youtube.com/watch?v=XgL2OTpBNaY
>
> Best wishes,
>
> _________________
> Jorge Santos
> Téc. em Geodésia e Cartografia
> http://processamentodigital.blogspot.com/
> http://twitter.com/jpsantos2002
> Skype: jorgepsantos2002
>
>
> Laura Guillot wrote:
> >
> > I'm trying to reshape polygons of a lancover map, in order to make them
> to
> > be more
> > coincident with an overlaid raster image (orthophoto 1:5M).
> > If I just move the nodes to the correct position, I create a correct line
> > but leave a hole behind: the other
> > polygon keeps its line where it was. See a pict here:
> >
> >
> http://osgeo-org.1803224.n2.nabble.com/file/n6526418/boundaryproblem.jpeg
> >
> >  Is there any way I could just move the lines as boundaries?
> >
> > I've tried by converting poygons to lines first, but the problem is very
> > much the same: it seems like
> > there is always a double line, one for each adjacent polygon.
> >
> > A possible solution would be having the lines automatically cut into
> > segments, each going from one vertex to another.
> > And having just one segment for each boundary. Is that possible? Is there
> > a
> > process to cut into segments after running polygons to lines?
> >
> > Or perhaps there is a cmpletely different way to accomplish the same
> goal:
> > modifying the boundaries between polygons.
> >
> > Thanks!
> >
> > L
> >
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> >
>
>
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