[Qgis-user] complete a polygon

[Lluís Vicens]

On 06/03/14 13:44, Blumentrath, Stefan wrote:
>
> Not sure if I misunderstood the question...
>
> In case my hint to "Avoid intersection" was a bit short and therefor 
> unclear please have a look here:
>
> http://www.qgis.org/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#avoid-intersections-of-new-polygons
>
> "Avoid intersection"is targeted at digitizing adjacent polygons, which 
> is what I understood was the aim...
>
Hi Tata,

Hope this helps to clarify what Stefan says:

http://youtu.be/dOANChaWUwI

Cheers,
Lluís

> Cheers
>
> Stefan
>
> *From:*qgis-user-bounces at lists.osgeo.org 
> [mailto:qgis-user-bounces at lists.osgeo.org] *On Behalf Of *Randal Hale
> *Sent:* 6. mars 2014 13:29
> *To:* qgis-user at lists.osgeo.org
> *Subject:* Re: [Qgis-user] complete a polygon
>
> Tata,
>
> You are referring to a tool that is comparable to autocomplete in the 
> ESRI world. The closest I have gotten is the autotrace plugin  (and 
> it's not comparable - but it's closer to what you are looking for - 
> http://www.lutraconsulting.co.uk/resources/autotrace). As for a 
> process - the best (as far as I know and I hope I am wrong) is to 
> digitize your work area as polylines - at the end convert them to 
> polygons (vector -> geometry tools -> lines to polygons). It would 
> save some clicking but would add a step (or maybe two).
>
> Anyway - Good luck!
>
> Randy
>
>
> -----------------
> Randal Hale, GISP
> North River Geographic Systems, Inc
> http://www.northrivergeographic.com
> 423.653.3611rjhale at northrivergeographic.com  <mailto:rjhale at northrivergeographic.com>
> twitter:rjhale
> http://about.me/rjhale
>
> On 03/06/2014 07:05 AM, Blumentrath, Stefan wrote:
>
>     Avoid Intersection is under "Settings" à"Snapping options".
>
>     If that is checked for your layer you can simply continue
>     digitizing with the "create polygon" tool...
>
>     Cheers
>
>     Stefan
>
>     *From:*qgis-user-bounces at lists.osgeo.org
>     <mailto:qgis-user-bounces at lists.osgeo.org>
>     [mailto:qgis-user-bounces at lists.osgeo.org] *On Behalf Of *SIT
>     delle Riserve Naturali di Legambiente Sicilia
>     *Sent:* 6. mars 2014 12:30
>     *To:* Saber Razmjooei
>     *Cc:* qgis-user
>     *Subject:* Re: [Qgis-user] complete a polygon
>
>     Dear Saber, thank you!
>     But this tools allows me to complete a polygon "inside" another.
>     I'm searching for a tool that alow me to complete a polygon
>     outside another, that has common sides
>     If I have polygon 1 and 2, andI wan to to digitize polygon 3, I'm
>     searching a tool that allow me to digitize pol 3 without redraw
>     the common sides with 1 and 2 (in thi case ise very simple
>     redraw,, but with complex and natural polygons it is an heavy WORK!!)
>     Thank you.
>
>     Tata
>
>     Il 06/03/2014 11:14, Saber Razmjooei ha scritto:
>
>         If I have understood your question correctly, you can use AutoTrace plugin.
>
>           
>
>         See more details here:
>
>         http://www.lutraconsulting.co.uk/resources/autotrace
>
>           
>
>         Cheers
>
>         Saber
>
>           
>
>         On 6 Mar 2014 10:05, SIT delle Riserve Naturali di Legambiente Sicilia<sit at legambienteriserve.it>  <mailto:sit at legambienteriserve.it>  wrote:
>
>               
>
>             Hi,
>
>             I have to add a new polygon to other existing; they have obviously
>
>             common sides; how can I draw only sides not common?
>
>             Thank you
>
>               
>
>             Tata Livreri
>
>               
>
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>
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>
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-- 
Lluís Vicens

SIGTE - Universitat de Girona
Pl. Ferrater Mora, 1
17071   Girona

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