Subject: ‘gis data’
December 18, 2011MetadataData, Learning GIS, Spatial AnalysisWhat is metadata and why is it important to document GIS data? Metadata is an important, but unfortunately oft overlooked component of GIS data. Metadata is ‘data about the data’ and it’s vital to understanding to source, currency, scale, and appropriateness of using GIS data. Metadata can be stored as an inherent part of the ... read more December 17, 2011 Christmas and GISGIS NewsThe biggest mapping fun at Christmas time is NORAD’s Santa tracking. The tracking started back in 1955 when a Sears department store misprinted the number children could call to get updates on Santa’s whereabouts. The number instead went through to the Colorado Springs’ Continental Air Defense Command (CONAD) Center. The then Director of Operations at the time, ... read more December 16, 2011 Basemaps DefinedDataWhat is a basemap? The term basemap is see often in GIS and refers to a collection of GIS data and/or orthorectified imagery that form the background setting for a map. The function of the basemap is to provide background detail necessary to orient the location of the map. Basemaps also add to the aesthetic ... read more December 7, 2011GIS DataData, Link LibraryThis is the launch page for finding information about GIS data: what is GIS data, what are the different types of GIS data, what are errors in GIS data, metadata, and where to find GIS data on the Internet. Introduction to GIS Data Geodatabases Explored – Vector and Raster Data Vector and raster data types ... read more December 5, 2011 Data Appeal: 3D Visualization of GIS DataDataDataAppeal is data visualization service that takes GIS data one step further with 3D visualizations. The underlying premise of DataAppeal is the use of more artistic design to represent point geospatial data. Instead of flat 2D layers, the data is symoblized using a 3D and animated data visualization tool (EarthAppealTM). DataAppeal’s Nadia Amoroso explains: DataAppeal ... read more December 1, 2011GIS File FormatsDataThere are well over 100 GIS, CAD and Remote Sensing applications on the market. Listed here are some of the more common file formats along with associated file extension (the last 3 charcters after the period in the file name). File formats are categorized as vector, raster, imagery, and legacy GIS file formats. Vector File Format ... read more  Fabric Engine: 3D LiDAR Rendering Via Web BrowsersDataFabric Engine enables developers to create compute-intensive web applications with comparable performance to native, multi-threaded applications. Fabric Engine achieves this by tapping into all of the processing power of the user’s computer – something that normal web-based applications cannot do. For the GIS market, this means that any web programmer can develop solutions for visualizing ... read more November 30, 2011 New Global Elevation Data Available to Download: Global Multi-resolution Terrain Elevation Data 2010DataThe U.S. Geological Survey (USGS) and the National Geospatial-Intelligence Agency (NGA) have released an updated and more accurate global elevation model that pulls data from Digital Terrain Elevation Data (DTED®) from the Shuttle Radar Topography Mission (SRTM); Canadian elevation data; SPOT 5 Reference 3D data; data from NASA’s Ice, Cloud, and land Elevation Satellite (ICESat); and ... read more November 29, 2011 Explaining Socium, a Cloud Based GIS Data Validation ServiceSoftwareAbbie Beckford, Customer Relations and Marketing Manager at Socium, shares insight about the new launch and what the benefits of this cloud based online data validation and management services are. Having confidence in spatial data is vital to organisations that rely on it for making business critical decisions and with increased demand for sharing data, ... read more November 26, 2011 Nokia’s Crowdsourcing GIS EffortGIS NewsNokia recently launched Map Creator (in beta), tossing its hat into the crowdsourcing GIS ring. While the announcement proclaims, “We’ve just launched Nokia Map Creator, a fun tool on maps.nokia.com that literally lets YOU map out your local neighbourhood! “, the next paragraph explains volunteer input is requested for twelve countries: Our initial focus with Map Creator is to get ... read more |
