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The aim of WikiProject Maps is to improve the quality of maps across the Wikimedia Foundation. The Maps for Wikipedia page is an overview of different formats and tools for maps available on Wikipedia. The Map conventions page provides advice for creating and improving maps. The Map workshop page can be used to add your map requests and your ...
OpenStreetMap ( OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial imagery and also import from other freely licensed geodata sources. OpenStreetMap is freely licensed under the Open Database License and as a result ...
GeoTIFF. GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file. The potential additional information includes map projection, coordinate systems, ellipsoids, datums, and everything else necessary to establish the exact spatial reference for the file.
Nigeria is divided into two main catchment areas - that of Lake Chad and that of the Niger. The Niger catchment area covers about 63% of the country. The main tributary of the Niger is the Benue, whose tributaries extend beyond Cameroon into Cameroon into Chad and the Sharie catchment area.
Motorway service area. Motorway service areas in the United Kingdom and Ireland, also known as services or service stations, are rest areas where drivers can leave a motorway to refuel/recharge, rest, eat and drink, shop or stay in an on-site overnight hotel. The vast majority of motorway services in the UK are owned by one of three companies ...
Google Map Maker was a map editing service launched by Google in June 2008. In geographies where it is hard to find providers of good map data, user contributions were used to increase map quality. Changes to Google Map Maker were intended to appear on Google Maps only after sufficient review by Google moderators.
Description. Test.pdf. This is a temporary file for testing of correct rendering of PDF files. This file can be modified by anyone, to test their own PDF documents. If you suspect a problem with the rendering of your document, then upload it the first time here under the name Test.pdf. It's easier than delete an upload.
In April 2023 the PDF Association made ISO 32000-2 available for download free of charge. Technical details. A PDF file is often a combination of vector graphics, text, and bitmap graphics. The basic types of content in a PDF are: Typeset text stored as content streams (i.e., not encoded in plain text);