[OSGeo-Jobs] Implementation of the mapping component for the GIEWS Workstation

[Grita, Fabio (EST)]

Hello, 
I would be grateful if you could post the following job, 

thanks
Fabio


Fabio Grita
Coordinator "GIEWS Workstation"
Food Security Information for Action Programme (GCP/GLO/243/EC)

Global Information and Early Warning Service (ESTG)
Trade and Markets Division, (EST)
Food and Agriculture Organization (FAO)
Viale delle Terme di Caracalla
Room D/828
00100 Rome
ITALY

Tel. +39-06-5705-4262 (direct)
Fax: +39-06-5705-4495
E-mail: fabio.grita at fao.org
Web: http://www.foodsec.org/workstation


 


Terms of Reference for an assignment 
with the Food and Agriculture Organization of the United Nations

Implementation of the mapping component for the GIEWS Workstation 


Background

The FAO Global Information and Early Warning System (GIEWS) Workstation is a
web mapping application developed by FAO with the funding of the European
Commission. The Workstation gives access to food security related information
and serves as main information management tool at global, regional and
national levels. The aim of the GIEWS Workstation is to harmonize food
security and early warning data within/across countries and to strengthen
analytical capacity of key national institutions to support food security
policy formulation and emergency interventions.

The GIEWS Workstation includes software tools to analyze food security
implications of natural and man-made disasters. These tools allow users to
process historical and recent data in order to detect anomalies of
environmental and economic factors (e.g. drought; excessive increase of
market prices) that may reduce local populations' capacity to access key food
items. The application also includes text management tools that facilitate
the compilation and dissemination of early warning messages.

The application handles different types of information such as remote sensing
data, GIS layers, databases and texts. The GIEWS Workstation is structured as
a network in which individual instances of the application (e.g. GIEWS
Workstations installed in the countries) represent the nodes of this network.
The network architecture is the base for information sharing. A communication
tool built on a peer-to-peer technology (the same architecture used for
sharing music across the Internet) regulates the flow of information among
nodes of the GIEWS Workstation network.

The application is entirely based on Java open-source technology to avoid
license constraints and to allow free distribution. The application uses
several Java frameworks such as Spring, Hibernate, BIRT, Google Web Toolkit
(EXT-GWT), Openlayers, GeoServer, and several others. The DBMS is Postgres
with the extension PostGIS.


Duties:

The selected candidate will work with the Workstation team in FAO and will
perform the following tasks:

1)	Implement the new version of GeoServer (GeoServer 2.x) into the
Workstation architecture and ensure efficient communication with the other
Workstation components
2)	Improve the existing technology to link datasets (tables) with
layers; improve efficiency and user friendliness of the user interface
3)	Implement Web Map Services (WMS) and Web Processing Services (WPS) in
the Workstation
4)	Ensure that adequate security is applied to the layers and mapping
functions
5)	Improve the current functionalities for importing layers in the
Workstation
6)	Enhance the capacities of the Style Layer Editor to include 1)
dynamic calculation of the layer statistics in order to define the class
intervals and 2) interactive tools to manually define the class intervals
7)	Other tasks as required


Qualifications and Experience: University degree or equivalent in information
technology IT skills in the development Web-based, database-driven
applications combining HTML, SGML/XML, XSL, Java and JavaScript


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