GIS Internet Resources Body

Welcome

These pages provide pointers to GIS companies, associations, and government web pages as well as sources of software, data, publications, and services. Information does not reflect use or endorsement by the U.S. Government.

Navigation. If a topic has an arrow, click on the arrow to select a subtopic (you can't select the topic from the heading). If a topic does not have an arrow, simply click on the name to move to the topic. To close a topic, click on the arrow again or click on another topic.

Thanks! Special thanks to Bruce McKenzie (retired US Geological Survey) and Charles Meador (University of Southern Mississippi) for making sustained, substantial contributions to the site. Their efforts are greatly appreciated.

Site URL: http://www.agc.army.mil/gis/

Page Point of Contact:
U.S. Army Geospatial Center, Alexandria, VA
Telephone: (703) 428-3594; DSN: 328-3594
E-Mail: rd3@tec.army.mil

Links last checked on October 22, 2009
New links added on November 20, 2009

General GIS

The sites listed in this section are good starting points for learning about GIS.

Geo FAQs

FAQs provide answers to Frequently Asked Questions about a topic.

comp.graphics.algorithms FAQ
Global Positioning System (GPS) FAQ (Coast Guard)
Global Navigation Satellite System (GNSS) FAQ (Federal Aviation Administration)

Megasites

Megasites highlights sites that contain pointers to large numbers of other GIS sites. GIS.com, GeoCommunity, GisCafe.com, and GIS Lounge all provide a good series of resources and commentary.

GISCafe.com
GIS.com
GIS@development
GIS Lounge
GISUser.com
GeoCommunity
The GIS Notebook - Bill Thoen
Librarians Trying to Help You Navigate GIS's

Mailing Lists/Newsgroups

Newsgroups provide on-line question and answer forums. comp.infosystems.gis is the primary GIS newsgroup. Mailing lists let users stay in touch with other users with similar interests via e-mail. The Directions Magazine On-Line GIS Discussion Archive lets users search multiple GIS mailing lists.

On-Line GIS Discussion Archive (Directions Magazine)
Map History-Related Discussion Lists
Archives of MAPS-L

Web Mapping

The web-based mapping sites provide information on products and applications for delivering maps and GIS services over the Internet.

General

The General web-mapping sites are meta sites with a wide variety of information on web-mapping and pointers to other sites.

Web Mapping Channel (GeoCommunity)
ICA Commission on Maps and the Internet
Web Mapping Applications (GeoCommunity)
GIS Mapping with PHP
Web Map Gallery (Directions Magazine)
Web Mapping (FreeGIS)

Products

Products sites point to specific software for delivering maps and images over the web. This includes map servers, image servers, sites dealing with XML/GML/SVG, Flash, and Web Hosting.

Map Servers

Autodesk MapGuide Enterprise
Maptitude for the Web (Caliper)
Caris Software Products
Demis
Server GIS (ESRI)
FME Server Products
Full Circle Technologies
GDSK
GeoMicro AltaMap Server
GeoMedia WebMap (Intergraph)
IC Map (Collins Software)
idevio - Innovative Vector Storage and Delivery
Image Mapper (alta4)
Internet Application Server (GE Power Systems - Smallworld Technology)
Ionic Software
JMap (K2 Geospatial)
New

mapfish
MapIt!
Map Server (University of Minnesota)
map-TV (Spatial Media) - Web Map Server
Map Manager (Compusult)
Mapquest
Mapufacture
NAC Geographic Products, Inc.
Push.n.See (Korem)
GIS Portal (SICAD)
SIS ASC (Cadcorp) - Web
SpatialAge Web Viewer (Byers Engineering)
STAR-APIC
TatukGIS
worldKit
TNT Server (MicroImages)
XMap Web (DeLorme)

Image Servers

ArcGIS Image Server (ESRI)
ImageConnect (GlobeXplorer)
Image Web Server (EarthEtc.com)
Image Web Server (ERDAS)
LizardTech
SuperGIS Image Server (SuperGeo)

3D View Servers

Virtual Globe (Wikipedia)
Google Earth (Download and install client application)
Map 24 (3D option available after selecting map)
Skyline Globe
Virtual Globe (Norkart)
World Wind (NASA)

Geoprocessing Web Services

ArcGIS Server (ESRI)

XML/GML/SVG

XML (Extensible Markup Language)

XML Specification (W3C)
Internet Mapping with XML (GeoCommunity)
XML Tutorial (W3Schools)
XML Tutorials (XMLFiles.com)
O'Reilly xml.com

GML (Geographic Markup Language)

GML Specifications (OpenGIS Consortium)
Top 10 Benefits of Using GML (GeoCommunity)
GML Viewer (Snowflake Software)
Ordnance Survey MasterMap Viewer (Snowflake Software)

KML

KML Specification(Open Geospatial Consortium)
About KML(Google)
KML Documentation Introduction (Google)
KML Tutorial (Google)
KML (Wikipedia)
KML Validator (Galdos)

SVG (Scalable Vector Graphics)

Scalable Vector Graphics Specification (W3C)
SVG Zone (Adobe Systems)
SVG Tutorial (KevLinDev)
DBx Geomatics (SVG Mapping)
New

indieprojector (axismaps)
EasySVG for ArcGIS (Qinetiq)
GeoTechnologies Web Mapping Demonstration Site

Flash

GeoClip
MapBureau - Interactive Cartography for the Web (Flash Maps)
worldKit (linking Flash and RSS)

Portable Document Format (PDF)

TerraGo Technologies
GeoPDF - Blog
New

About Geospatial PDFs (Adobe)

geoRSS

An Introduction to GeoRSS (OGC White Paper - PDF)
GeoRSS: Geographically Encoded Objects for RSS Feeds
Fun with GeoRSS (Directions Magazine)
RSS to GeoRSS Converter (geonames.org)
ACME GeoRSS MapViewer
mappedup
worldKit GeoRSS
Yahoo! Maps GeoRSS

Mashups/Custom Maps

Google Maps API
Mapquest Developer Network
Virtual Earth Interactive SDK (Microsoft)
Windows Live Developer Center (Microsoft)
Yahoo! Maps APIs

Applications

Mapping Mashups Tag Search (ProgrammableWeb)
LocaPoint
MapCruncher (Microsoft)
mapufacture
OS OpenSpace API (Ordnance Survey)
Pin In The Map
Platial
quikmaps
Stickymap
Wikimapia

Sites

This section highlights web mapping sites by their application area.

Atlases

Atlases show sample applications for delivering general map information and data over the Internet.

DEMIS World Map Server
Earth and Moon Viewer
eMapSite
Find a Map (Expedia)
Globalis (United Nations)
Interactive Atlas(Mapquest)
Locator Services (HUD)
MapStats (FedStats - US Government)
National Atlas of Canada On-Line
National Atlas of the United States of America
National Geographic Map Machine
publicprofiler/worldnames (atlas of surnames)
Toporama (Canadian Atlas)
Window to My Environment (EPA)

Geocoding

Geocoding sites use a street address as input and provide the latitude and longitude of the address as output.

Geocode.com (TeleAtlas)
Batch Geocoding (Phillip Holmstrand)
Free Geocoding Service (TravelGIS.com)
Free Location Geocoding (ajm Software)
geocoder.us

Reverse Geocoding

Reverse geocoding sites uses the latitude and longitude to locate a street address. The coordinates may be entered by hand or selected by pointing at a map.

New

Reverse Geocoding Links
New

Reverse Geocoding (Wikipedia)
New

Find the Postal Address of Any Location (Digital Inspiration)
New

Reverse Geocoding Webservices (GeoNames)
New

Reverse Geocoder for the United States (USNaviguide.com)
New

Reverse Lookup Addresses (Batch Geocode)

Imagery

Imagery servers provide aerial photography and satellite imagery over the web. TerraServer is one of the world's largest databases ever created.

DigitalGlobe
getmapping.com - UK Imagery Server
Google Earth
Bing Maps (Microsoft)
NOAA Operational Significant Events Imagery
TerraServer - USA (Microsoft Image Server)
TerraFly
Seamless Data Distribution Delivery (USGS)
Global Visualization Viewer (USGS)

Localized Search Engines

Localized search engines allow you to locate businesses by type and location.

Google Maps
Business Locator (MapQuest)
Bing (Microsoft)
Yahoo! Local Maps

Route Planners

Route planners generate maps and directions given a start address to a stop address. Some planners help you identify a location to meet midway between to points.

Bing (Microsoft)
Expedia Driving Directions
Google Maps
MapQuest Directions
Map24 (Select Calculate Route)
OpenRouteService.org
Rand McNally
ViaMichelin (European Driving Directions)
Yahoo! Driving Directions
New

a.placebetween.us
New

MeetInBetween.us
New

Meetways: Meet Me in the Middle
New

mezzoman: Meet in the Middle

Street Maps

Street Maps sites generate street-level maps when given a street address. Maps A9 is a new site that incorporates video images with street maps.

Find a Map (Expedia)
Google Maps
Bing (Microsoft)
Map24
Mapquest Maps
OpenStreetMap
Rand McNally
ViaMichelin (European Street Maps)
Yahoo! Local Maps

Topographic Maps

Topographic maps show general landscape features with elevations as contours.

Trails.com

Real-Time Maps

Real-time maps map data from sensors as the data is acquired. The most common form of real-time maps today are traffic maps.

img src="images/new-en.gif" alt="New" longdesc="images/new-en.gif"> Live Ships Map (AIS)
NextBus (NextBus)
Real-Time Ocean Sensor Data (OPENIOOS.ORG)
San Diego Real-Time Traffic (CalTrans)
Seattle Area Traffic (Washington State DOT)
Traveler Information (Minnesota Department of Transportation)
New

Trendsmap - Twitter Trends (Trendsmap.com)
New

twittearth
New

twittervision
New

USGS Twitter Earthquake Detector (TED)
Flight Tracker (USA Today)

Zip Code-Based Look-Up

Location-based services are often by-passing the need for maps. Here are some zip-code based services that provide information when given a specific zip code.

Community Tapestry Demographic Data (ESRI Business Information Solutions)
City/State Zip Code Associations (USPS)
Find Your Senator and Congressman by Zip
Free On-Line Look-Ups (MelissaDATA)
Free online address lookup tool with fuzzy matching
Free Zip Code Lookup (zipinfo.com) Find county, area code, time zone, lat/lon.
Get a Map by Zip Code (MapQuest)
Local Harvest (Farmers' Markets, Family Farms, etc.)
National Address Server (University of Buffalo) Formats addresses, adds zip, and prints bar code.
Language Map of the US by Zip Code (Modern Language Association)
Sunrise and Sunset by Zip
US Gazetteer (Census) Access to Demographic Data by Zip
US Postal Service Zip Code Look-Up
MyBestSegments.com (Claritas)
Scorecard (The Pollution Information Site)
Window to My Environment (EPA)
Zip Code Comparisons (Zipskinny)
Zipdecode (Ben Fry)
Zip Code Statistics (Census Bureau)
Zip Scribble

GIS Software

GIS software sites provide software for the creation, management, analysis, and display of geographic data.

Products

These company sites sell and/or provide GIS software. The On-Line Product Sourcebook and Geo Directory of Products and Services provide information on multiple products.

GIS Company Listing (GISCafe.com)
GIS and Mapping Software (GeoCommunity)
Ten-Year Industry Forecast (ASPRS/NASA)
1 Spatial (formerly Laser-Scan)
Atlas GIS (Retail Profit management)
Autodesk Geospatial Solutions
Bentley Systems, Inc.
Blue Marble Geographics
Byers Engineering (SpatialAge Solutions)
Cadcorp (Spatial Information System)
Caliper Corporation (Maptitude GIS, TransCAD, GIS +)
Caliper Corporation - UK (Maptitude GIS, TransCAD, GIS +)
Caris
Carmenta
Clark University (IDRISI)
DeLorme Mapping
Eagle Point Software Corporation
Environmental Systems Research Institute, Inc. (ArcGIS)
EPPL7
ERDAS
Flowmap (Utrecht)
GDSK
Geospatial Asset Management (GE)
Genasys
Geodesys
Geodyssey Limited of Calgary
GeoMania
Golden Software (Surfer, Grapher, MapViewer, Voxler, and Didger)
GRASS GIS
Innogistic Software plc
Intergraph
Manifold GIS
MicroImages, Inc.(TNTmips, TNTlite)
Map Maker Pro (Map Maker, Ltd.)
MapWindow GIS
Maporama
Microsoft MapPoint
PGS
Pitney Bowes
Object F/X
PCI Geomatics
Red Hen
STAR-APIC
TatukGIS
Envitia

.Net/COM Objects

.Net/COM objects allow developers to build Windows-based applications that incorporate mapping and GIS capabilities. Component-based software lets developers mix and match functionality.

GeoMicro
Blue Marble Geographics
Carbon Tools Geospatial .NET development toolkit (The Carbon Project)
Carmenta
CartoWorld.com
ArcGIS Engine (ESRI)
Graticule
Luciad - Software Components for Networked GIS (COM and JAVA)
MapLink Pro(Envitia)
MapOCX (UnderTow Software)
Sylvan
TatukGIS

Java GIS

The appeal of Java is the ability to write software once and run it on different machines. Java GIS products are just beginning to hit the marketplace. The GeoJava Corner is a good place to look for the latest developments.

Luciad - Software Components for Networked GIS (COM and JAVA)
Object F/X (Java-based Geospatial Solutions)
Carmenta

Data Viewers

Data viewers listed here are free software that can be used to look at geographic data.

Viewers (GeoCommunity)
Explorer Applications (ESRI)
CartoMap Viewer (Select Products -> Free Viewer)
Christine GIS Viewer
dlgv32 DRG/DLG/SDTS Viewing Software (USGS)
ER Viewer (Erdas)
Gaia (The Carbon Project)
Geomatica FreeView
GML Viewer (Snowflake Software)
TatukGIS Viewer (TatukGIS)
Thuban (Free Geographic Data Viewer)
tkgeomap (Tcl/Tk Mapping Routines)

Free (and almost free) Software

Look here for free GIS software and various utilities. The FreeGIS site provides pointers to free GIS products.

General

Free Software, Scripts, Extensions, Demos (GeoCommunity)
Christine GIS
DIVA-GIS (For the analysis of biodiversity - USGS)
GeoDa (Exploratory Spatial Data Analysis) Arizona State University
GeoTools
GMT - The Generic Mapping Tools
LandSerf (surface visualization)
Map Maker Gratis
Mapping and Surveying Freeware (Softree)
MICRODEM (DEM software) US Naval Academy

Open Source

FreeGIS.org
Open Source Geospatial Foundation (OSGeo)
Open Source GIS
Cartographic Projections Library - PROJ.4
Geospatial Data Abstraction Library (GDAL)
New

FalconView (GTRI)
Geometry Engine Open Source (GEOS)
GeoTools (Codehaus)
New

GIS on a USB Stick (Archeogeek)
GRASS GIS
gvSIG (Conselleria d'Infraestructures i Transport)
The Jump Project
OpenMap (BBN) GIS
PostGIS
Portable GIS
Quantum GIS
User-friendly Desktop Internet GIS (uDig)
worldKit

Site URL: http://www.agc.army.mil/gis/

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Welcome

General GIS

Geo FAQs

Megasites

Mailing Lists/Newsgroups

Blogs

Dictionaries

Calendars

Web Mapping

General

Products

Map Servers

Image Servers

3D View Servers

Geoprocessing Web Services

XML/GML/SVG

XML (Extensible Markup Language)

GML (Geographic Markup Language)

KML

SVG (Scalable Vector Graphics)

Flash

Portable Document Format (PDF)

geoRSS

Mashups/Custom Maps

Applications

Sites

Atlases

Geocoding

Reverse Geocoding

Imagery

Localized Search Engines

Route Planners

Street Maps

Topographic Maps

Real-Time Maps

Zip Code-Based Look-Up

GIS Software

Products

.Net/COM Objects

Java GIS

Data Viewers

Free (and almost free) Software

General

Open Source