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Norton is an independent city in the Commonwealth of Virginia, located in the far western tip of the state in Wise County, Virginia. As of the 2020 census, the population was 3,687, [6] making it the least populous city in Virginia. The Bureau of Economic Analysis combines the city of Norton with surrounding Wise County for statistical purposes.
Geoportals also form a key component of commercial cloud-based GIS platforms, providing a library of geographic data that users can employ with online GIS tools or desktop GIS software. Google Earth Engine is a cloud-based image processing platform that includes a portal to several petabytes of satellite imagery.
The Map Overlay and Statistical System (MOSS), is a GIS software technology. Development of MOSS began in late 1977 and was first deployed for use in 1979. MOSS represents a very early public domain, open source GIS development - predating the better known GRASS by 5 years.
Best Friend Festival held in Norton, VA annually. The Virginia-Kentucky District Fair is held each summer in Wise. The Wise County Famous Fall Fling is an annual event held in Downtown Wise. [20] Coeburn holds its annual Guest River Rally over the Labor Day weekend in September. Appalachia Coal Railroad Days is held each summer in Appalachia.
There are also many different types of geodata, including vector files, raster files, geographic databases, web files, and multi-temporal data. Spatial data or spatial information is broader class of data whose geometry is relevant but it is not necessarily georeferenced , such as in computer-aided design (CAD), see geometric modeling .
The Kentucky Open Data Portal is a site for exploring, accessing and downloading Kentucky-specific GIS data and discovering mapping apps. You can analyze and combine datasets using maps, as well as develop new web and mobile applications.
Web maps rely entirely on data sources that could potentially be inaccurate, outdated, or corrupted. If the data is not verified and updated regularly, it can affect the reliability of the web maps. [34] Web mapping can also be vulnerable to data tempering, spoofing, or injection attacks, where false or harmful data can be inserted into web maps.
GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...