[OpenLayers-Users] Edit vertexes of neighbor polygon

[Marc Jansen]

Hi Petr,

I suppose you wanted to write this to the list, right?

Best regards,
Marc


On 08.08.2011 12:18, Petr Voldán wrote:
>
> Hi Jansen,
>
>  
>
> Thank you for advice, probably we will use this approach, but we
> decided to postpone it and do it in easier way. We use snapping method
> - user has to edit all influenced polygons itself.
>
> For this reason I would have another question. Is it possible to show
> all polygons vertexes as points?
>
> The idea is: user will chose modifyFeature function and this causes
> that all polygon vertexes will be shown as a point with different
> style than edited feature vertexes/points. Users will be able to see
> vertexes of neighbor polygons and easy snapping on existing vertexes.
>
> I guess that it is possible to separate points from feature geometry
> and then create new feature from this points. Or is there any easier
> solution?
>
>  
>
> Thanks
>
> Regards Petr
>
>
>
> On 5 August 2011 10:49, Marc Jansen <jansen at terrestris.de
> <mailto:jansen at terrestris.de>> wrote:
>
>     Hi Petr,
>
>     find comments inline.
>
>     On 04.08.2011 09:46, voldapet wrote:
>     > Hi,
>     >
>     > I’m facing this issue: I have something as choropleth thematic
>     map – set of
>     > polygons with some data. Using WFS-T (postgis – geoserver –
>     openlayers) I am
>     > able to edit geometry of polygons – this works fine.
>     > My polygons looks like state borders – have shared border
>     vertexes. When I
>     > edit geometry some polygon (ex. move vertexes using
>     modifyFeature), I need
>     > to affect the geometry of neighbor polygon. There shouldn't be
>     holes or
>     > overlaps.
>     >
>     > Is it possible to do it?
>
>     Not out of the box, I fear. But you could listen for the
>     "vertexmodified" / "vertexremoved" events of the vector layer and
>     programmatically edit the nearby vectors, see here for an example:
>     http://www.openlayers.org/dev/examples/editing-methods.html
>
>     I'd be very interested in the outcome of this approach.
>
>     Best regards,
>     Marc
>
>     > Thanks
>     > Regards Petr
>     >
>     >
>     > --
>     > View this message in context:
>     http://osgeo-org.1803224.n2.nabble.com/Edit-vertexes-of-neighbor-polygon-tp6651716p6651716.html
>     > Sent from the OpenLayers Users mailing list archive at Nabble.com.
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