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By adding coordinates, a Wikipedia reader can easily view the location on a street map, nautical chart, topographic map, by satellite photo, realtime weather map, and many other options. Coordinate data makes an article eventually appear in various services such as Google Maps Wikipedia overlay, Google Earth, Copernix.io and Wikimedia's map ...
T Map by SK Telecom; One Navi by KT corporation; Spain. Spanish official cartography website, including National Topographic Maps MTN50 (1:50,000 scale) and MTN25 (1:25,000 scale). SITPA-IDEAS, Asturias regional maps. Sweden. Eniro.se, also covers Denmark, Finland and Norway; Hitta.se; Thailand "Longdo Map", by Longdo.
Google Earth is a web and computer program that renders a 3D representation of Earth based primarily on satellite imagery.The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.
Vector overlay is an operation (or class of operations) in a geographic information system (GIS) for integrating two or more vector spatial data sets. Terms such as polygon overlay, map overlay, and topological overlay are often used synonymously, although they are not identical in the range of operations they include.
A user can enter different kinds of data in map form into a GIS to begin their analysis, such as United States Geological Survey (USGS) digital line graph data, contour lines, elevation maps, topographic maps, geologic maps, and satellite imagery. A user can also convert digital information into forms that a GIS can identify and utilize, such ...
Keyhole Markup Language (KML) is an XML notation for expressing geographic annotation and visualization within two-dimensional maps and three-dimensional Earth browsers. KML was developed for use with Google Earth, which was originally named Keyhole Earth Viewer. It was created by Keyhole, Inc, which was acquired by Google in 2004.
The conventional method of finding a watershed boundary is to draw it by hand on a paper topographic map, or on a transparent overlay.The watershed area can then be estimated using a planimeter, by overlaying graph paper and counting grid cells, or the result can be digitized for use with mapping software.
Researching old maps and cartographic records at the National Archives; NASA World Wind overlays satellite, aerial and topographic maps of the United States; Google Earth: a visual 3D interactive atlas. Atlas World: a directory of atlases currently in print. List of official state road maps of the United States; Scanned official transportation ...