[Gvsig_english] problems with spatial selection
G. Allegri
giohappy at gmail.com
Mon Dec 17 17:07:19 CET 2007
Thanks Sergio. I don't know how but now it seems to work. Surely I've done
some mistakes...
2007/12/17, Sergio Clark <sergio.clark at iver.es>:
>
> With both layers loaded in the ToC, follow these steps:
>
> 1. Put Active your Polygon layer. Open its atribute table and select all
> the elements inside (Shift button could help you). Close the table. You
> should see all the polygons selected in the view.
> 2. Select (put active) in the ToC your Points layer.
> 3. Open tool "Select by layer" (in View menu). Here, choose elements
> from your Active layer (points) which *"are contained in"* SELECTED
> elements of the layer: *"your polygon layer"* (if you've not selected
> previously any polygonal element (step 1), no point will be selected at
> the end).
> 4. Press New set. After a few moments (depending your layers weight) you
> should see in the View the points you are looking for, with a different
> color.
>
> Please, tell us if it works,
>
> Regards!
>
> Sergio.
>
>
> G. Allegri escribió:
> > This is the procedure I've done:
> >
> > - Made the polygon and the point layers active
> > - Selected the polygon layer (the "mask" of my selection)
> > - Opened the selection tool, set "contained in" and selected the
> > polygon layer
> >
> > As I push the New set, Add set, etc. the tool window remains open and
> > nothing happens...
> >
> > 2007/12/17, Sergio Clark <sergio.clark at iver.es
> > <mailto:sergio.clark at iver.es>>:
> >
> > Hi Giovanni,
> >
> > I think the problem is that you have not selected any element of the
> > polygon layer. You should do that (in the view or using the shp
> table)
> > before using the "Selection by layer", because it works with the
> > "selected elements of the layer..".
> >
> > So, first select all the geometries (or those that interest you)
> > in your
> > polygon layer. After that use the "Selection by layer" as you have
> > done.
> >
> > I hope this helps you.
> >
> > Regards,
> >
> > Sergio.
> >
> > --
> >
> > Sergio Clark
> > Equipo gvSIG
> > IVER T.I., S.A.
> > www.iver.es <http://www.iver.es>
> > www.gvsig.com <http://www.gvsig.com>
> >
> >
> >
> >
> > G. Allegri escribió:
> > > Hello everyone.
> > > I'm using gvSIG 1.1. I need to make a spatial selection of a
> > layer of
> > > points falling inside a certain polygon layer. I've used the
> > > "Selection by layer", having previously selected the point layer
> and
> > > made it active. The I've choosed "are contained in" (translating
> > from
> > > italian) and I've selected the polygon layer... and nothing
> > seems to
> > > happen neither with "Add set" nor all the other options.
> > > Am I using a wrong procedure?
> > >
> > > Thanks for the support,
> > > Giovanni
> > >
> >
> ------------------------------------------------------------------------
> >
> > >
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> >
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>
> --
>
> Sergio Clark
> Equipo gvSIG
> IVER T.I., S.A.
> www.iver.es
> www.gvsig.com
>
>
> Este mensaje y sus archivos son confidenciales. No está permitida su
> reproducción o distribución sin la autorización expresa de "IVER Tecnologías
> de la Información". Si usted no es el destinatario previsto, queda
> desautorizado cualquier uso, acceso o copia de este mensaje. Si ha recibido
> este mensaje por error, por favor bórrelo e infórmenos por esta misma vía.
>
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