gvSIG: Open Source for handling Geospatial...

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gvSIGgvSIG:: Open Source for handling Open Source for handling

Geospatial InformationGeospatial Information

Mario Carrera Rodrí[email protected]


Generalitat Valenciana (GV) is the government of the Valencian Community (Castellón, Valencia, Alicante) Conselleria de Infraestructuras y Transporte (CIT) or Regional Government of Infrastructures and Transport, is the maximum authority in the Generalitat Valenciana for Public Works, Transport, Architecture, Ports and Coasts, and Energy.


The administrations need computer applications

to develop their functions

Office automation

Databases

Signing registration

Management of files, etc.

Project Origin


There are two options to obtain computer applications:

Proprietary Software

Open Source Software

Project Origin


High cost of license and maintenance.

Tendency to skimp on installations.

Promotion of illegal software.

License

Annual maintenance

Version updates

Proprietary Software (I)Project Origin


Technological dependence of the

provider.

The provider choose the new functionalities

and when they will be available.

Proprietary Software (II)Project Origin


Bad use/quality relationship.

You pay for the product.

Bad use of the INVESTMENT.

Proprietary Software (III)Project Origin


There isn't a cost for the license. Installation in an unlimited number of computers.

Open Source Software (I)Project Origin


Technological independence

Freedom to give solutions to our problems

Capacity to develop new functionalities

Open Source Software (II)Project Origin


Implemented functionalities = required

functionalities

You pay for service

Total use of the INVESTMENT

Open Source Software (III)Project Origin


Open Source Software: The “freedomsfreedoms”

To runrun the program, for any purpose.

To study how the program has been built, and adaptadapt it to your needs (access to the source code is a precondition for this).

To redistributeredistribute copies so you can help your neighbor.

To improveimprove the program, and release your improvements (and modified versions in general) to the public.

ObjectiveObjective: : Maximize the rights of the client (who has the product).

Four freedoms of the Open Source Software: Four freedoms of the Open Source Software:

Project Origin


Software license Software license = Legal instrument that governs the usage or redistribution of copyright protected software.

It differentiates the Open Source Software from the other kinds of software.

Open Source Software: The licenseslicenses

GNU/GPL LicenseGNU/GPL License: : It guarantees that the improvements and redistributions will be always “free”.

Project Origin


Technological independence.

Optimization of the investment.

Quality industrial structure.

Why Open Source Software

Why Open Source Software?Why Open Source Software?

Project Origin


Migration to information systems under LINUX (end of 2002)

Areas of action:• Office Suites• Operating systems and communications databases • Corporate systems within Conselleria • GIS y CAD

Development of GIS client: gvSIG

gvPontisgvPontis: migration of IT to free software solutions

Optimization of the I. S.

Sustainable development

Technological independence

Conselleria de Infraestructuras y Transporte

Project Origin


GISCAD area. Procedure.

Needs analysis of GISCAD users, by questionnaire and interviews

Analysis of the GISCAD software on the market

Initial requirements analysis.

∙∙ ArcView∙ ArcGIS∙ Jump∙ Grass∙ AutoCAD∙ MicroStation∙ IntelliCAD

∙ Visualization∙ Query∙ Edicion∙ Spatial analysis∙ Topology∙ Map preparation∙ Printing

Project Origin


Anyone has the established quality criteria

The own development is chosen


If there isn't a solution: let's “inventinvent” it.

Project Origin



Public Tender: Exp. 2003/01/0090

“Desarrollo de aplicaciones SIG (Sistema de Información Geográfica) para la C.O.P.U.T. utilizando software libre.” (Development of GIS application using free software)

Tender required working prototypes in C++ and Java.

Evaluation prototype: Java was selected.

Project Origin



Public Tender: Exp. 2004/01/228

“Servicios informáticos de incorporación de funcionalidades de geoprocesamientos, topología y CAD en el producto gvSIG” (Adding geoprocessing, topology and CAD in gvSIG)

Implementation of the edition functionalities of a CAD system.

Project Origin


Development language: Java (Multiplatform).

Adheres to the guidelines of the European Union - Inspire.

Free license (GNU/GPL).

Modular, scalable, powerful.

Simple interface: user friendly.

International (Spanish, Valencian, English, Basque, Gallego, French, Italian, Portuguese, German, Czech, Polish, Romanian, Russian, Greek and Mandarin. Serbian and Swahili will be available in the next version).

Main characteristicsAbout gvSIG


1. Initially designed to meet GIS needs of the Conselleria.

It meets the majority of needs of the CIT users (including

affiliated entities)

175 installations. 200 planned

The training program has been started with courses (over

90 people)

Project horizons (I)

About gvSIG


1. Initially designed to meet GIS needs of the Conselleria.

The 2nd Public Tender was awarded to meet the full of the

actual needs of the CIT users

Ports and Coasts Division:Ports and Coasts Division:

Coastal S.D.I. of the Comunitat Valenciana.

Road Division – Road Safety Service:Road Division – Road Safety Service:

Corporate GIS of roads

Project horizons (II)

About gvSIG


Project horizons (III)

2. Offer the Project to the rest of the Consellerias of the Generalitat.

About gvSIG


Established collaborations

Project horizons (IV)

3. Offer the Project to the national and international community of GIS users.

Laboratorio Nacional de Geomática – Laboratorio Nacional de Geomática – Universidad de Rennes (Francia)Universidad de Rennes (Francia) Universidad de Laussanne (Suiza)Universidad de Laussanne (Suiza) Joint Research Center (MilanItalia)Joint Research Center (MilanItalia) ONUONU Hidroven (Aguas de Venezuela)Hidroven (Aguas de Venezuela) Ministerio de FomentoMinisterio de Fomento Instituto Geográfico NacionalInstituto Geográfico Nacional

About gvSIG

Ayto. ValenciaAyto. Valencia C. Medio Ambiente (Castilla La C. Medio Ambiente (Castilla La

Mancha)Mancha) Instituto Desarrollo Regional CLMInstituto Desarrollo Regional CLM C. Cultura (Junta de Extremadura)C. Cultura (Junta de Extremadura) Conf. Hidrográfica del GuadalquivirConf. Hidrográfica del Guadalquivir Ciudades DigitalesCiudades Digitales LatinGeo (UPM)LatinGeo (UPM)


Give solutions to all needs related to the geographic information management based on the integration of free free technologiestechnologies.

Global aim

About gvSIG


Reprojections Geoprocessing Web Services (SDI) Symbology

Edition Spatial Database Topology Labelling

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gvSIG: GIS – SDI Client

Structure and main characteristics


gvSIG, gvSIG, Integrated managmentIntegrated managment: : GIS clientGIS clientTool to manage geographic information, mapping edition, geoprocessing...



DisplayDisplay and queryquery services (WMS, WCS and WFS servers), searchingsearching services (Catalogue client) and locationlocation services (Gazetteer client).

gvSIG, gvSIG, Integrated managmentIntegrated managment: : SDI ClientSDI Client



Optimal path calculation, topology, more geoprocessing, advanced symbology...

gvSIG, gvSIG, Integrated managmentIntegrated managment: : Network analysis and new featuresNetwork analysis and new features



Georeferencing, Histogram view...

Collaboration with Collaboration with SEXTANTE projectSEXTANTE project

gvSIG, gvSIG, Integrated managmentIntegrated managment: : Raster analysisRaster analysis



gvSIG 3D: Access to 3D characteristics

gvSIG, gvSIG, Integrated managmentIntegrated managment: : 3D3D



Integration of gvSIG into mobile devices: telephony, PDA...

gvSIG, gvSIG, Integrated managmentIntegrated managment: : Mobile devicesMobile devices



Geostatistics

gvSIG 4D (temporal GIS)

Connection with sensors

Road map: http://www.gvsig.gva.es/index.php?id=1814&L=2

““gvSIG is a path that we can build together”gvSIG is a path that we can build together”

gvSIG, gvSIG, Integrated managmentIntegrated managment: : Future projectsFuture projects



Installations in the Generalitat: (over 400)Mailing lists:

• Users list: 1218 • Developers list: 604 • International list: 507 • Italian list: 154

Known countries with registered users: 42Known countries where gvSIG has been downloaded: 59

Details of the projectDetails of the project

Dimension of the project

gvSIG project


gvSIG Conference

Foto

: Ver

ó nica

Nav

arro

Por

ter.

More than 650 attendance

gvSIG project

3rd 5th decembre 2008

4th gvSIG Conference4th gvSIG Conference

5th gvSIG Conference: 5th gvSIG Conference: End of 2009


Web Page of the project

http://www.gvsig.gva.eshttp://www.gvsig.gva.es

gvSIG project

Downloads of gvSIG Desktop and gvSIG Mobile

Courses and tutorials Reports Lists of distribution Road map

http://www.gvsig.gva.es/


Towards an open organization

gvSIG project

Put the project in the hands of Put the project in the hands of the communitythe community

What tools and actions are we taking for What tools and actions are we taking for ensuring project quality? ensuring project quality?



gvSIG project

http://gvsig.orghttp://gvsig.org

User & technical documentation available

Plugin repository for the community

All the builds of the versions in development available



gvSIG project


Online L10N tool: an open gate for new communities of users



gvSIG project


Mailing lists for the community



gvSIG project

Open subversion repositoryhttp://subversion.gvsig.org/gvSIG/ http://subversion.gvsig.org/gvSIG/



gvSIG project

Open FTP repository for builds, and other stuff

ftp://gvsig.org ftp://gvsig.org


A lot of map servers. Every server is optimized for “its users” using its

software...at the expense of possible users with another

software, another brand of GIS, another formats of data.

Creation of multiuser GIS information islands.

Spatial Data Infrastructures

Actual situation

Old modelOld model (corporate GIS)




Spatial Data InfrastructuresSpatial Data Infrastructures (distributed GIS):

Objective: Making easy the access to the G. I. The system is the network (internet/intranet). Communication through standars (web services). Extended clientserver model. Decentralized network of servers.

New model


EvolutionEvolution:Desktop GIS client > Desktop GIS – SDI clientDesktop GIS client > Desktop GIS – SDI client


GSDIGSDI: Global Spatial Data Infrastructure. Promote the international collaboration to create SDI

Antecedents: ClintonClinton Order Order (EEUU, 1994)Building of a National Spatial Data Infrastructures (NSDI)

European Union: INSPIREINSPIRE (2004) INfrastructure for SPatial InfoRmation in Europe. Laws to guide the

creation of SDI for every country.

SDI projects



Clients

Middleware

ServersFeaturesCoverages

Metadata updateCatalogs

Geoprocessingand catalog Services

ContentRepositories

Other data

e.g., administrative,statistical, env. reporting

Distributed Geographic reference data

Service chaining:search, display,

access, ecommerce,

….Directdataaccess

Access to transformeddata, pictures, maps, reports,

multimedia content

Metadata search and retrieval for data and services

gvSIGgvSIG

SDI Arquitecture (with gvSIG as a client)

User applications


Data:Data: reference system, transport network, pollution, vegetation, traffic, etc.

Metadata:Metadata: datas that describe another datas.

Services:Services: offer a group of funcionalities that are useful and interesting for a community of users.

SDI components


The user isn't interested on the download of the data, but obtaining the needed answers directly, that are offered by a service.

The SDI services offer functionalities accessible online through a simple navigator or browser:

Web Map Service (WMS) Web Map Service (WMS) Web Feature Service (WFS)Web Feature Service (WFS) Web Coverage Service (WCS)Web Coverage Service (WCS) Nomenclator Service (Gazetteer) Nomenclator Service (Gazetteer) Catalog Service (CSW)Catalog Service (CSW)

Services

SDI services


Open Geospatial Consortium Protocols (OGC):Open Geospatial Consortium Protocols (OGC): Visualization and query of G.I.:

Web Map Service (WMS) Web Map Service (WMS)

Advanced access to raster data: Web Coverage Service (WCS)Web Coverage Service (WCS)

Advanced access to vectorial data:Web Feature Service (WFS) Web Feature Service (WFS) Bases de Datos Geoespaciales (JDBC)Bases de Datos Geoespaciales (JDBC)

Access to metadata catalogs: Web Catalog Service (WCatS) Web Catalog Service (WCatS)

Localization by place name: Nomenclator ServiceNomenclator Service


WMSWMSWMSWMS

WCSWCSWCSWCSWFSWFSWFSWFS

TerrainserverTerrainserverTerrainserverTerrainserver

SDI services


Outline

SDI services


Visualization and query of G.I.

Web Map Service (WMS) Simple and fast visualization of vectorial

and raster data.

Allows to handle several layers from one or more servers.

Allows transparency (by the administrator of the server).

Allows simple information.

Allows legend set up (using SLD => Styled Layer Descriptor) (by the administrator of the server).

SDI services


WMS (Web Map Service)

SDI services


WMS (Web Map Service)

SDI services


Advanced access to raster data

Web Coverage Service (WCS)

Full access to attributes of each pixel.

Work with data as it were local.

Spatial Analysis.

Etc.

SDI services


WCS (Web Coverage Service)

SDI services


Advanced access to vectorial data

Web Feature Service (WFS)

Geoespatial Database (JDBC)

Full access to attributes.

Use of same legend as for local layers.

Work with data as it were local.

Advanced queries.

Spatial Analysis.

Etc.

SDI services


WFS (Web Feature Service)

SDI services


Geoespatial Database (JDBC)

SDI services


Access to metadata catalogs

Web Catalog Service (WCatS)

Fundamental part of SDI.

Allows discovering G.I.

Query by Theme, scale, location, etc.

You get layers list found by catalog.

SDI services


Web Catalog Service

SDI services


Georeferenced place names list.

Place names index in an atlas:• Place name• Page• Grid

Nomenclator:• Place name • Geographic coordinates

Localization by place name:

Nomenclator Service

SDI services


Localization by place name

SDI services


Great power and versatility of the web services.

Great added value given by a Desktop GIS client like gvSIG.

Easy extension and improvement of the application.

The community is growing.

Conclusions


grazie per l'attenzionegrazie per l'attenzione

http://www.gvsig.gva.eshttp://www.gvsig.gva.eshttp://gvsig.org/http://gvsig.org/

Mario Carrera Rodrí[email protected]

http://www.gvsig.gva.es/

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