Querying a ratser through OGC technologies

[Bart van den Eijnden (OSGIS)]

You can just use WMS GetFeatureInfo, it should work on rasters at least in
the latest versions of Mapserver.

Best regards,
Bart

--
Bart van den Eijnden
OSGIS, Open Source GIS
http://www.osgis.nl


--------- Oorspronkelijk bericht --------
Van: Fabio D'Ovidio <dovidio at PLANETEK.IT>
Naar: MAPSERVER-USERS at LISTS.UMN.EDU <MAPSERVER-USERS at LISTS.UMN.EDU>
Onderwerp: [UMN_MAPSERVER-USERS] Querying a ratser through OGC technologies
Datum: 03/05/07 08:20

> Hi list!
> I want some explanations about OGC technologies in querying a raster map.
> 
> I'm sure that WCS provides raster data as WFS provides vector ones, while
WMS provides 
> images (maps).
> 
> I have a DEM and I want to know a specific value (float) in a specific
point. How can I do it 
> through WCS? Is it possible to do the same with WMS (I think no, because
WMS provides 
> images, not data!!).
> 
> Are there any particular kind of WCS requests?
> 
> If no, have I convert raster data in a vectorial format and use a WFS
(GML)?
> 
> What about Mapserver ?
> 
> Thanks a lot!!
> 
> 
> 
> --
> Fabio D'Ovidio
> 
> Web GIS staff
> Planetek Italia s.r.l.
> Via Massaua 12, I-70123 Bari 
> Tel.: +39 080 5343750 Fax: +39 080 5340280 
> dovidio at planetek.it - http://www.planetek.it 
> --
> 
>