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A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
Online maps can be basically divided by the covered area (global or local) and by the representation of this area (classic drawn or orthophoto). Global online maps [ edit ] These maps cover the world, but may have insufficient details in some areas.
The International Map of the World (IMW), also known as the Millionth Map of the World, [1] after its scale of 1:1 000 000, was a project to create a complete map of the world according to internationally agreed standards. [7] Roads were depicted in red, towns and railways were depicted in black, and the labels were written in the Roman alphabet.
World map showing metrication, color-coded by year of conversion. ...
Cantino planisphere, 1502, Biblioteca Estense, Modena. The Cantino planisphere or Cantino world map is the earliest surviving map showing Portuguese discoveries in the east and west. It is named after Alberto Cantino, an agent for the Duke of Ferrara, who successfully smuggled it from Portugal to Italy in 1502.
Google Earth. Google Earth is a 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. Users can explore the globe by entering ...
Web mapping or an online mapping is the process of using, creating, and distributing maps on the World Wide Web (the Web), usually through the use of Web geographic information systems (Web GIS). [1] [2] [3] A web map or an online map is both served and consumed, thus, web mapping is more than just web cartography , it is a service where ...
The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy 's book Geography, written c. 150. Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria .