[OpenLayers-Users] Selecting features through box

[Andreas Hocevar]

Hi,

On Fri, Feb 8, 2008 at 8:16 AM, Andrea Maschio <andrea.maschio at gmail.com> wrote:
>  >> Hi all, i would select some features from a wms layer with s polygon
>  >> but I have no idea on how to accomplish this task.
>  >
>  > WMS does not provide you anything helpful for that task. But if your
>  > server is also configured as WFS, you can issue a WFS
>  > GetFeatureRequest with a bbox filter.
>  >
>  Ok. So I could get the Bbox extent from the polygon? It seems to me
>  that it is not possible to make this selection through anything
>  different from a rectangle..

Oh, so you really want a polygon, not a bbox. But that is also
supported by most WFS implementations, using ogc filters. Refer to the
specification documents found on http://www.opengeospatial.org/ and
look for the WFS and OGC Filter specifications.

Regards,
Andreas.