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Infrastructure for Spatial Information in the European Community

The INSPIRE Community Geoportal

EC INSPIRE GEOPORTAL TEAM

European CommissionJoint Research CentreInstitute for Environment and SustainabilitySpatial Data Infrastructures Unit

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INSPIRE Geoportal – home page

http://www.inspire-geoportal.euhttp://www.inspire-geoportal.eu

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Web Site: http://www.inspire-geoportal.eu

For more information contact

inspire-geoportal@jrc.ec.europa.eu

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View Service Client - Overview

It is a web application Lists and displays layers

offered by View Services Features a search

engine for layers Multi-language search is

enabled for INSPIRE themes.

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View Service Client – Presentation tier

The presentation tier runs inside the user’s web browser

Map layers are displayed using OpenLayers Map layers images are obtained through a direct

connection between the browser and the View Service

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View Service Client – INSPIRE metadata The presentation tier receives only the metadata relevant to

INSPIRE from the application tier The application tier takes care of any conversion

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View Service Client – Service Metadata

View Service metadata iscollected by the Application tier

OGC WMS 1.3 documents are expected but the system also works with versions 1.1.0 and 1.1.1

Metadata documents are parsed by the Application tier to extract information relevant to INSPIRE which is sent to the Presentation tier.

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View Service Client – Service Metadata Metadata documents are

cached so that View Services are notrequested repeatedly the same document.

Metadata documents are parsed and persisted in a format that optimizes free text search.

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The View Service Client does not make any assumption on the language used in textual elements of the metadata as this information is not available.

View Service Client – Service Metadata language

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View Service Client – Software Stack

Presentation tier Application Tier Service Tier

Ext JS JavaScript libraryOpenLayersMapFish

Web layerJ2EE ServletsGeoTools libraryGEMET Java library

Data access layerJava Persistence APIEclipseLink as persistence engine implementation

Thesaurus:

GEMET RPC API

View Service: -WMS 1.1.1 and ISO 19128 (WMS 1.3)

RDBMSis Oracle 10g Release 2.