Continuing with their mandate to index the World’s data, Google has rolled out yet another data sharing resource, the Google public data explorer.
New Geodata and maps for Canada including 2010 Olympic maps and webmaps
An update from Natural Resources Canada provides us with some tips on maps and webmapping resources from Canada including maps for the 2010 Vancouver Olympics.
GIS Data Spotlight – USGS and a new generation of Topo Maps – A primer on US Topo
Downloading “free” USGS topos from around the web?? Are you getting the new, enhanced USGS topos – US Topo? Read on for details on the new, US Topo data product as well as pointers and a detailed user guide.
Openness via Data.gov – Access A Wealth of Geospatial Data and a Cool ESRI SHP file Viewing Tool
You may have heard about the recently launched data.gov web portal – a resource from the Feds designed to increase public access to high value, machine readable Geospatial datasets and tools.
METI and NASA Release ASTER Global DEM
The Ministry of Economy, Trade, and Industry (METI) of Japan and the United States National Aeronautics and Space Administration (NASA) today jointly released Version 1 of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM).
2009 GIS Spatial Data Clearinghouse Directory
Over the years we’ve provided pointers and descriptions of many fine GIS Spatial Data repositories and data clearinghouses. However, many resources change location, upgrade their servers etc… leaving behind dead links all over the web. Enter our 2009 State GIS Data Clearinghouse Directory – if you have a pointer to a better State resource than […]
Mapping the distribution of chemical elements county-by-county
Data from chemical analyses of more than 60,000 stream-sediment and soil samples from all 50 States are now available online courtesy of the USGS. These data will be used to determine naturally occurring levels of chemical elements in stream sediments, and to detect regional chemical anomalies that may affect human health.
Google Earth 101 – Using the Image Overlay Tool in Google Earth
In this article you will learn how to use the image overlay functionality provided in Google Earth to import existing images into the 3D display and drape them over the existing terrain. Many image file formats can be displayed in Google Earth including jpg, bmp, gif, tiff, tga, png, and a number of others.
Locate and Download free USGS GeoPDF maps using the Map Downloader
The USGS has a number of clever ways for users to search, navigate, purchase, and download maps and data… the Map Locator is the latest addition and it’s pretty darned sweet! Using a Google Maps UI, visitors search the map by entering a search string, zoom into an area of interest, or select a point […]
10+ Cool things a GIS user might do with Google Earth
During 2006 Google Earth was making headlines… there’s no doubt about that! We now have access to Google Earth release 4 (Beta), Google Earth Plus, Google earth Pro, Google Earth Enterprise solutions, SketchUP, and other cool Earth viewing apps. For the GISuser, there’s a number of cool tools and add-ons designed to help integrate your GIS data […]
