Search results
Results from the WOW.Com Content Network
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
QGIS is a geographic information system (GIS) software that is free and open-source. [2] QGIS supports Windows, macOS, and Linux. [3] It supports viewing, editing, printing, and analysis of geospatial data in a range of data formats. QGIS was previously also known as Quantum GIS.
The most notable example of this was the publication of the Esri Shapefile format, [5] which by the late 1990s had become the most popular de facto standard for data sharing by the entire geospatial industry. [6]
The official population count of the various ethnic groups in Africa is highly uncertain due to limited infrastructure to perform censuses, and due to rapid population growth. Some groups have alleged that there is deliberate misreporting in order to give selected ethnicities numerical superiority (as in the case of Nigeria's Hausa, Fulani ...
[2] Although it is a public database, GADM has a higher spatial resolution than other free databases, [3] and also higher than commercial software such as ArcGIS. [4] Those sources are commonly use to complete data analysis with data visualisation such as data plots , choropleth map , etc. [ 5 ] [ 6 ]
OpenStreetMap was created by Steve Coast in response to the Ordnance Survey, the United Kingdom's national mapping agency, failing to release its data to the public under free licences in 2004. Initially, maps were created only via GPS traces , but it was quickly populated by importing public domain geographical data such as the U.S. TIGER and ...
Below is a list of countries in Africa by area. [1] Algeria has been the largest country in Africa and the Arab world since the division of Sudan in 2011. The largest African country not located in the Arab world is the Democratic Republic of the Congo located in Central Africa, which is also the second largest in the continent.
Global Mapper is a geographic information system (GIS) software package currently developed by Blue Marble Geographics [1] that runs on Microsoft Windows. The GIS software competes with ESRI , GeoMedia , Manifold System , and MapInfo GIS products.