In GIS parlance, this is called "searching by extent". Specialized GIS metadata repositories do this. We use a UN-sponsored project named GeoNetwork:
http://geonetwork-opensource.org/ Otherwise, you could use GSearch and a geo-aware index like LocalSOLR: http://www.gissearch.com/localsolr --- A. Soroka / Digital Scholarship Services R & D the University of Virginia Library On Mar 6, 2009, at 11:26 AM, Maurizio Bonafede wrote: > > We have Satellite-images to archive, and to put in relationship with > other > documents. > The images covers normally large areas, normally one/two countries > or a part > of a continent, so it's hard to select only a (lat/lon) point, like in > Google maps. We have a bounding box with 4 corners (4 lat/lon > pooints) and > we want specify another box as search parameter: we want obtain as > result > all the images that are inner or touch the specified search box. > Example if I select a box around Egypt, the result set must be all > Africa > images and also every Egyptian images like Sahara desert, or Nile > river... > [satellite images] > (look http://catalogues.eoportal.org/eoli.html ) > > Have you some ideas? > Tanks. > > Maurizio Bonafede > > > > Gramsbergen, Egbert wrote: >> >> hi >> >> I don't know how complex the things are you want to do, but if you >> just >> want to include coordinates you can use >> http://www.w3.org/2003/01/geo/wgs84_pos#lat and >> http://www.w3.org/2003/01/geo/wgs84_pos#long as predicates in the >> RELS-EXT >> datastream. We do this and use the RI search REST API and xslt (Saxon >> service) to aggregate coordinates from a set of objects and convert >> this >> to kml for a Google Maps or Earth view. >> See http://www.w3.org/2003/01/geo/ >> >> > > -- > View this message in context: > http://n2.nabble.com/Geo-spatial-and-user-manager-tp2388487p2436691.html > Sent from the Fedora Commons Users mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San > Francisco, CA > -OSBC tackles the biggest issue in open source: Open Sourcing the > Enterprise > -Strategies to boost innovation and cut costs with open source > participation > -Receive a $600 discount off the registration fee with the source > code: SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > Fedora-commons-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/fedora-commons-users ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Fedora-commons-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/fedora-commons-users
