OpenSearch Geo

OpenSearch-geooscar.fonts

Geographic Information Research GroupInstitute for New Imaging Technologies

Universitat Jaume I

IV Jornadas SIG Libre

04/13/23 OpenSearch-geo 2

Search

2800+ servicios OpenSearch*


OpenSearch

HTTP get

(format)

1. Discovery

2. Description

3. Request

4. Response

http://www.opensearch.org


OpenSearch

1. Discovery

<html> <head> <link rel="search"

type="application/opensearchdescription+xml" title="My Custom Search Engine“

href="MySearcherDescription.xml">[···]


OpenSearch

2. Description

<OpenSearchDescription xmlns="...">

[···]

<Url type="text/html" template="http://...search?text={searchTerms}"/>

[···]


OpenSearch

get 3. Request

URL Template: http://...search?q={searchTerms}

HTTP GET: http://...search?q=nevadas%20girona

nevadas girona_


4. Response

OpenSearch

HTML JSON RSS Atom

ns:OpenSearch

ns:Atom+


Geo Search

Open?Simple?

Interoperable?


1. Discovery

Geo OpenSearch

?http://geoportal.dlsi.uji.es/OpenSearch/services/

& incluir <link rel="search"/> en respuestas


2. Description

xmlns:geo="http://a9.com/-/opensearch/extensions/geo/1.0/

Geo OpenSearch

{geo:box?}

{geo:lat?}{geo:lon?}{geo:radius?}

{geo:polygon?}

{geo:locationString?}TXT


get 3. Request

URL Template: http://...?bbox={geo:box?}

HTTP GET: http://...?bbox=-180,-90,180,90

Geo OpenSearch


4. Response HTML JSON

RSS Atom

Geo OpenSearch

‘geo’ F GeoJSON

GeoRSS

Simple GML

KML

RDF/XML

(dcLite4G)


Geo OpenSearch + OGC

OGC CSW OpenSearch Extension v.0.0.2

OpenSearch.org OGC extension

{geo:box?} {geo:box?}

{geo:polygon?} {geo:geometry?}

{geo:lat?}{geo:lon?}

{geo:radius?}

{geo:lat?}{geo:lon?}

{geo:radius?}

{geo:locationString?} {geo:name?}

-- {geo:relation?}

-- {geo:uid?}


Implementaciones

Servicios OpenSearch-geo:• Geocommons

• Duetopia

• Geonetwork ?

Clientes OpenSearch-geo:• ?

• Geonetwork (patch 160)

• OpenStreetMap

• Twitter

• Flickr

• Geonames

• Wikipedia

• OpenLayers (ticket 2453)


OpenLayers

OpenLayers.Control.OpenSearch

- Formulario de búsqueda- Orquesta N Strategies- Dibuja resultados

OpenLayers.Strategy.OpenSearch

- Elige formato de respuesta- Gestiona filtros de búsqueda:

- Texto- BBOX

- Construye URL request

OpenLayers.Format.OpenSearchDescription

- Parsea documento description


demo

http://geoportal.dlsi.uji.es/OpenSearch/







?

Contact Info:

http://wiki.osgeo.org/wiki/Oscar_Fonts







Technology

OpenSearch Geo