[Qgis-user] Re: Editing polygons

[jorgepsantos2002]

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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