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Google Code FAQ - Creating a Simple Digitizer Using the Google Maps API
Have you ever wished that there was an easy way to find the geographical coordinates of a region on a map? Or wanted to find the exact dimensions of a building seen in our satellite imagery? You may be surprised to find out how easy it is to create a usef
CleanTOPO2
CleanTOPO2 is a touched up and generalized version of SRTM30 Plus, a public domain dataset that combines sea floor and land elevation data of the entire world. The intent of these changes is to create an elevation dataset more applicable to the graphical
oldmapsonline - Google Code
Repository for new software tools and patches of existing open-source tools, which are usable for libraries, archives, museums as well as individuals, who are publishing scanned old maps and other historical documents.
Alignment API
The Alignment API is an API and implementation for expressing and sharing ontology alignments.
Geohash - Wikipedia, the free encyclopedia
Geohash is a latitude/longitude geocode system invented by Gustavo Niemeyer when writing the web service at geohash.org, and put into the public domain.
Geohashes offer properties like arbitrary precision, similar prefixes for nearby positions, and the p
The GMT Home Page
GMT is an open source collection of ~60 tools for manipulating geographic and Cartesian data sets (including filtering, trend fitting, gridding, projecting, etc.) and producing Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots
MapJack
Mapjack.com showcases a new level of mapping technology. What others have done with NASA budgets and Star Wars-like equipment, we've done on a shoestring budget, along with a few trips to Radio Shack. Specifically, we developed an array of proprietary ele
Mapnik C++/Python GIS Toolkit | Welcome
Mapnik is a Free Toolkit for developing mapping applications. Above all Mapnik is about making beautiful maps. It is easily extensible and suitable for both desktop and web development.
A List Apart: Articles: Take Control of Your Maps
We live in the era of Google Maps. What started off as an impressive refresh of Mapquest-style maps now fuels web mashups. With APIs official and unofficial, Google Maps is simple enough for front-end designers to embed and for back-end programmers to tar
Circos - visualize genomes and genomic data
Use Circos to create concise, explanatory, unique and print-ready visualizations of your genomics data.
Download the Database - IP Address Lookup - Community Geotarget IP Project
My IP Address Lookup and GeoTargeting Community Geotarget IP Project – what country, city IP addresses map to
Modest Maps
Modest Maps is a BSD-licensed display and interaction library for tile-based maps in Flash (ActionScript 2.0 and ActionScript 3.0) and Python.
DOPPLR
Dopplr lets you share your travel plans privately with a group of friends and colleagues whom you have chosen. It then tells you when people you know will be in the same cities. It also reminds you of people who live in the places you’re planning to vis
Ontology Alignment Evaluation Initiative
The increasing number of methods available for schema matching/ontology integration suggests the need to establish a consensus for evaluation of these methods. The Ontology Alignment Evaluation Innitiative is a coordinated international initiative to forg
A Free View of the World -- OpenAerialMap
OpenAerialMap is an open collection of aerial photographs, collected into a single coherent view of the world. Read the tutorial to find out how to upload your own imagery, check out the wiki, or go straight to browsing the map.
OpenStreetMap
OpenStreetMap is a free editable map of the whole world. It is made by people like you.
Download Natural Earth
Made primarily from data and imagery collected by NASA satellites and graphically enhanced by the NPS, Natural Earth is a base for general mapmaking. The combination of shaded relief and landcover colors brings the physical world to life and encourages re
stevenberlinjohnson.com: The Pothole Paradox
Why Building The Geographic Web Is Hard, and Why It's Worth Doing.
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