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Wikimapia (stylized as wikimapia) is a geographic online encyclopedia project. The project implements an interactive clickable web map that utilizes Google Maps with a geographically-referenced wiki system, with the aim to mark and describe all geographical objects in the world.
The slant distance s (chord length) between two points can be reduced to the arc length on the ellipsoid surface S as: [21] = (+) / / where R is evaluated from Earth's azimuthal radius of curvature and h are ellipsoidal heights are each point. The first term on the right-hand side of the equation accounts for the mean elevation and the second ...
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.
This enables readers to click through to find maps of the surrounding area on external web sites like Google Maps. to be automatically plotted on maps. To learn how to add geographic coordinates to a page using templates, please see Wikipedia:WikiProject Geographical coordinates.
Vincenty's formulae are two related iterative methods used in geodesy to calculate the distance between two points on the surface of a spheroid, developed by Thaddeus Vincenty (1975a). They are based on the assumption that the figure of the Earth is an oblate spheroid, and hence are more accurate than methods that assume a spherical Earth, such ...
Center the screen on your location by double-clicking on it, then use the View in Google Maps button at the top (Google Earth 4.1 and newer). This will open Google Maps within Google Earth. You can see the center coordinates in decimal format in the address bar, but unfortunately you cannot copy them directly. To do so, use the button Open this ...
WikiMapia; Yahoo! Maps (defunct) Yandex Maps; By continent Africa. Africomaps - Covers all 54 countries in the African continent; Europe. ViaMichelin (based on TomTom) Local online maps. Local maps cover only part of the earth surface, and may be more detailed than the global ones. Abkhazia. 2GIS, by 2GIS. Australia
The distance between two points 1 degree apart on the same circle of latitude, measured along that circle of latitude, is slightly more than the shortest distance between those points (unless on the equator, where these are equal); the difference is less than 0.6 m (2 ft).