Σύνδεσμοι

Σύνδεσμοι GIS

www.eurogi.org – European umbrella organisation for Geographic Information 
www.isprs.org – International Society for Photogrammetry and Remote Sensing
www.ec-gis.org – The EC GI & GIS portal provides information on European GI & GIS Activities including information on GI & GIS Activities within the European Commission 
www.gsdi.org – Global Spatial Data Infrastructure Association. The GSDI Association is an inclusive organization of organizations, agencies, firms, and individuals from around the world
www.opengis.org – The Open Geospatial Consortium, Inc.® (OGC) is a non-profit, international, voluntary consensus standards organization that is leading the development of standards for geospatial and location based services 
www.ncgia.ucsb.edu – National Center for Geographic Information and Analysis USA 
www.freegis.org – Software overview on Free Geographic Information Systems and communication on developments, plans, infos on Free GIS Software and Free Geo-Data
www.geocomm.com – The GeoCommunity™ is THE place for the Geographic Information Systems (GIS), CAD, Mapping, and Location-Based industry professionals, enthusiasts, and students to gather
www.agi.org.uk – Association for Geographic Information UK 
www.gis.com – The Guide of Geographic Information Systems 
www.geoplace.com – The authoritative resource of spatial matters 
http://gislounge.com – Geographic Information Systems – GIS of Interest 
www.gisdevelopment.net – The Geospatial Resource Portal 
www.itc.nl – International Institute for Geo-Information Science and Earth Observation, NL 
www.lib.utexas.edu/maps/ – Perry-Castañeda Library Map Collection, University of Texas, USA 
www.geo.ed.ac.uk/agidict/welcome.html – Welcome to the GIS Dictionary. … The dictionary includes definitions for 980 terms compiled from a variety of sources which either relate directly to GIS or which GIS users may come across in the course of their work 
www.gis.harvard.edu – The Center for Geographic Analysis at Harvard University was founded in 2006. As a technology platform in the Institute for Quantitative Social Science, the Center focuses on research and education in the field of spatial analysis and geographic information. The Center works across the university to strengthen geographic information systems infrastructure and services
http://gisweb.ciat.cgiar.org/sig/90m_data_tropics.htm – CIAT, Partners in Research Cultivating the future. International center for Tropical Agriculture. 90 m SRTM Data for the tropics. An integral part of the Land Use Projects work involves the use of high-resolution biophysical data about the land surface. Central to this is topographic data, which controls many environmental processes from climate to biology and to soils
http://www.afigeo.asso.fr/ Association Française pour l’Information Géographique
http://www.agile-online.org AGILE (Association of Geographic Information Science Laboratories)

Free Tools

ArcExplorer – ESRI’s FREE geographic viewer 
CartoMap – FREE Viewer supports both MapInfo Mif/Mid and ArcView Shape files 
ChartViewer – NOAA Nautical Chart Viewing Extension for ArcView 3.x 
Geomatica® 9 FreeView – Geomatica® 9 FreeView is a flexible data viewing tool supporting over 100 raster and vector formats for loading, viewing, selection, and enhancement. FreeView is useful for any geospatial data viewing application, and is freely distributable
MassGIS Data Viewer – Expands the functionaly of ArcView 
ShapeViz – mechanism to view multiple Shape files 
TatukGIS Free Viewer – The free TatukGIS Viewer provides an easy way to quickly evaluate the TatukGIS technology and compatibility with various formats, as well as a great companion product for the TatukGIS Internet Server. Reads the following formats: Raster – TIFF/GEOTIFF, ECW, MrSID, BMP, SPOT, JPEG, PNG, PixelStore, CADRG, ASCII GRID, FLOAT GRID, BT, DTED, ADF. Vector: SHP, E00, MIF/MID, TAB, DXF, DGN, TIGER, DLG, SDTS, GML, GDF 
WebView – The Internet Extension for ArcView GIS – Present your maps on the Web or on CD ROM 
Agis – A simple mapping and shareware package supporting a variety of data formats including Mapinfo MIF, E00, Arc gen, and a variety of others. Runs on Win 95, 98, NT 
Autodesk DWF Viewer – FREE viewer for DWF files 
CADViewer – CadViewer is the Java-based viewer for AutoCAD Drawing Web Format (DWF, also known as Whip!) and Mosaic Simple Vector Format (SVF, used by MicroStation). Supports HPGL/HPGL2, DWG/DXF, PS/PDF, DGN, DWF, SVF, DLG, ESRI SHP, DLG, ESRI SHP, IGES, SolidWorks 
CartoMap Viewer – FREE Viewer supports both MapInfo Mif/Mid and ArcView Shape files 
ChartViewer – NOAA Nautical Chart Viewing Extension for ArcView 3.x 
DLGVU – dlgvu is an interactive viewer for Unix 
DLGv32 Pro – Free Viewer from the USGS, supporting many data formats
GRASS – Popular free raster-based GIS 
Geomatica® 9 FreeView – Geomatica® 9 FreeView is a flexible data viewing tool supporting over 100 raster and vector formats for loading, viewing, selection, and enhancement. FreeView is useful for any geospatial data viewing application, and is freely distributable
GeoTiff Examiner – allows raster images in the TIFF format to be georeferenced in two different manners 
GeoView – GeoView is an intelligent mapping component for Windows developers who need to quickly embed sophisticated map viewing with spatial overlays in their applications 
GeoView LT – add support for the display of AutoCAD DWG/DXF, Microstation DGN, ESRI Shape, MapInfo MIF, and image files, with graphic overlays, spatial queries, and links to your database quickly 
Geographic Explorer – explore map files directly on your desktop with the Geographic Explorer 
Map Maker Gratis – Map Maker Gratis is a powerful introduction to the world of GIS. Unlike other free viewers, Gratis is a fully functional map production program with GIS functions such as thematic mapping and data interrogation. The program can be used with both vector and raster data and produces high quality accurately scaled print outs — the free GIS for Windows! 
MapInfo ProViewer – Allows you to share your MapInfo data with non MapInfo users 
MapViewer – Thematic mapping package from Golden Software 
MassGIS Data Viewer – Expands the functionaly of ArcView 
NIMAMUSE – Useful raster viewer used to import and view DTED®0 
OpenMap – a JavaBeansTM based programmer’s toolkit 
Osview – read Ordnance Survey data in .NTF, .DXF formats 
SIGIS – SIGIS is an integrated vector/raster GIS and remote sensing application running under Windows(95/98/NT/ME/2000). It features satellites image processing, raster and vector spatial analysis, geographically linked database management, mapping and 3D surface rendering & animation. 
Spring – freeware general GIS and image processing package 
TatukGIS Free Viewer – The free TatukGIS Viewer provides an easy way to quickly evaluate the TatukGIS technology and compatibility with various formats, as well as a great companion product for the TatukGIS Internet Server. Reads the following formats: Raster – TIFF/GEOTIFF, ECW, MrSID, BMP, SPOT, JPEG, PNG, PixelStore, CADRG, ASCII GRID, FLOAT GRID, BT, DTED, ADF. Vector: SHP, E00, MIF/MID, TAB, DXF, DGN, TIGER, DLG, SDTS, GML, GDF 
Terrain Tools – A quick and easy to use mapping program from SofTree 
Tiny Viewer – TinyViewer is a small program to view images on the PalmPilot, and supports the ImageViewer format 
TNTlite – Learn GIS and image processing using a package that utilizes raster, vector, shape, CAD, relational database and TIN formats. TNTlite is FREE, and supports display and processing of the following formats: shapefiles, Oracle Spatial, DXF, DWG, DGN, TAB, TIFF/GeoTIFF, JPEG2000, MrSID, PNG, JPEG, ECW and additional raster formats
Map Maker Gratis – Model and animate terrain from point, line, or surface data. Delineate watersheds, line of sight, render forests and water. Use data including USGS, Shuttle Radar Topography, Surfer, ArcGrid, and Idrisi32, and more 
3DSM– AutoCAD R12, R13 Add-on for Terrain Modelling 
DEM3d_100 – DEM3d Viewer version 1.0 from the USGS 
dXmPlus– dXm is for 32 bit windows and is easy to use. It triangulates 5,000 points in less than 1 minute on a PII processor running at 500MHz. It can save contours to a DXF file to be imported into AutoCAD or other CAD software. dXmPlus created contours and cross sections from a triangular mesh. Contours can be exported to a DXF file, or printed. Data input is via .XYZ, .TXT, .PRN and .CSV files. A fully working copy is available for a 5 day free evaluation 
MicroDEM 4.0 – 3D visuallization software from the US Army 
Surface III – software for creating contour displays of 3-D surfaces 
TerraExplorer – Explore photo-realistic 3D environments from satellite imagery and photos 
Triangulator – Triangulator is a MapInfo plug-in for creating contour maps 
XSect – XSect is an Av3x extension that displays vertical profiles of point data. This lets you look at your data “from the side” to show how values vary with depth or elevation along transects. It’s not free but its cheap!