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Tianditu (Chinese: 天地图; also Map World [1] in logos) is China’s official free web mapping service. It was launched by China’s State Bureau of Surveying and Mapping (SBSM) on 22 October 2010. Tianditu seeks to offer functions similar to those provided by Google mapping service.
Given that every projection gives deformations, each country's needs are different in order to reduce these distortions. These national projections, or national Coordinate Reference Systems are officially announced by the relevant national agencies. The list below is a collection of available official national projected Coordinate Reference ...
This work has been released into the public domain by its author, CIA.This applies worldwide. In some countries this may not be legally possible; if so: CIA grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Maps are useful in presenting key facts within a geographical context and enabling a descriptive overview of a complex concept to be accessed easily and quickly. WikiProject Maps encourages the creation of free maps and their upload on Wikimedia Commons. On the project's pages can be found advice, tools, links to resources, and map conventions.
United Nations Cartographic Section has many free maps in PDF format, at least some with the layers intact. However most UN maps are under UN copyright, so check before uploading. See here for their policy, this page about requesting permission. USGS Maps. Every USGS topographic map available for free download from the Internet Archive.
Image:BlankMap-World.png – World map, Robinson projection centered on the meridian circa 11°15' to east from the Greenwich Prime Meridian. Microstates and island nations are generally represented by single or few pixels approximate to the capital; all territories indicated in the UN listing of territories and regions are exhibited.
Leonardo's world map is the name assigned to a unique world map drawn using the "octant projection" and found loosely inserted among a Codex of Leonardo da Vinci preserved in Windsor. It features an early use of the toponym America and incorporates information from the travels of Amerigo Vespucci , published in 1503 and 1505. [ 1 ]
A map of the world as of 2005, with country outlines, for making country locator maps. Similar to Image:BlankMap-World.png with additions of the projection periphery and rendition of Antarctica, et al., this map uses the Robinson projection centered on the Greenwich Prime Meridian and includes various en:microstates/en:island nations.