Données gratuites

Download | Global Administrative Areas The coordinate reference system is longitude/latitude and theWGS84 datum. File Formats The "geopackage"format is the a very good general spatial data file format (for vector data). It is based on the SpatiaLite format, and can be read by software using GDAL/OGR, including QGIS and ArcMap. A "R SpatialPolygonsDataFrame" (.rds) file can be used in R. An "ESRI file geodatabase" is the standard format used by ArcGIS. A "Google Earth .kmz" file can be opened in Google Earth. A "shapefile" consist of at least four actual files (.shp, .shx, .dbf, .prj). An "ESRI personal geodatabase" is a MS Access file that can be opened in ArcGIS. Some files have been compressed and grouped in ZIP files.

webservice and data download GeoNames Data Data Dump A daily GeoNames database dump can be downloaded in the form of a large worldwide text file (allCountries.zip). Additional country files are available for convenience. You find the files on our download server. Web Services GeoNames if offering a wide range of sophisticated web services. Support Free support for GeoNames is provided by the community. Sources and Contributions Sources : GeoNames is aggregating over hundred different data sources. Terms and Conditions free : GeoNames data is free.

Databases Istat's databases and other statistical information systems are topic-based and provide an accurate, global view of the phenomenon surveyed. Access to them is open and free of charge. The databases are stores of information in which users may select the type of data and level of detail and build customised tables according to their own requirements. The information systems contain information and structural data in ready-made tables which can be downloaded into a spreadsheet. Each database or collection of data is provided with meta-information (such as methods, classifications or definitions) regarding the topic under consideration. A complete list of databases and information systems can be found in the Italian version of this website. I.Stat: data warehouse of the Institute It offers a complete and homogeneous wealth of information. Coeweb: foreign trade statistics Statistical information system dedicated to foreign trade statistics.

GeoRezo - Biblio-SIG Accueil > Données Description : "Le vague regroupement thématique du sommaire initial (web, pensée, alimentation, pouvoir, nature, santé, films, etc.) souligne bien que l’intérêt du livre n’est pas dans la ... Lire la suite Commander [article] - 2001 - Vers une libre utilisation des données cadastrales - Etudes Foncières, n° 94 nov-dec. [livre] - BENYEKHLEF K. - 1991 - Echange de documents informatisés : contrat type commenté - Ministère des communications Publications du Québec - Québec. [livre] - NABHAN V. - 1991 - Droit d'auteur et banques d'information dans l'administration - Ministère des communications, Publications du Québec - Québec. [rapport] - PRINCE J. - 1990 - Développement d'un outil pour l'inventaire et l'analyse des données d'une organisation - Y. [livre] - ROUET P. - 1993 - Les données dans les systèmes d'information géographique - Hermès Science Publication - Paris. [livre] - SEGAT - 2001 - Echanges DAO-SIG-PAO - CETE Mediterranee.

Prim.net - Cartorisque <p><br /><br /> Attention : le langage Javascript est actuellement désactivé dans votre navigateur. <br />Veuillez activer le Javascript dans la configuration de votre navigateur pour consulter la cartographie des risques.<br /><br /></p> Accueil > Cartographie des risques en Eure-et-Loir Information préventive Information Aquéreurs Locataires PPR détaillés © IGN - MEDDE Avertissement : Les cartes sont publiées sur ce site à titre informatif. Pour plus d'informations Retour haut de page © Ministère de l'Écologie, du Développement Durable et de l'Énergie écrivez-nous infos légales qui sommes nous ?