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  2. Spatial resolution - Wikipedia

    en.wikipedia.org/wiki/Spatial_resolution

    While in some instruments, like cameras and telescopes, spatial resolution is directly connected to angular resolution, other instruments, like synthetic aperture radar or a network of weather stations, produce data whose spatial sampling layout is more related to the Earth's surface, such as in remote sensing and satellite imagery.

  3. Satellite imagery - Wikipedia

    en.wikipedia.org/wiki/Satellite_imagery

    There are five types of resolution when discussing satellite imagery in remote sensing: spatial, spectral, temporal, radiometric and geometric. Campbell (2002) [ 6 ] defines these as follows: Spatial resolution is defined as the pixel size of an image representing the size of the surface area (i.e. m 2 ) being measured on the ground, determined ...

  4. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    The standard style for OpenStreetMap, like most Web maps, uses the Web Mercator projection. Web Mercator, Google Web Mercator, Spherical Mercator, WGS 84 Web Mercator [1] or WGS 84/Pseudo-Mercator is a variant of the Mercator map projection and is the de facto standard for Web mapping applications. It rose to prominence when Google Maps adopted ...

  5. List of satellite map images with missing or unclear data

    en.wikipedia.org/wiki/List_of_satellite_map...

    Blurred intentionally on Bing Maps. [15] Rendered in lower resolution on Google Maps and Mapquest. Heliport [16] in El Ejido: Spain: Square blurred on Google and Bing. Visible e.g. in HERE WeGo and Yandex.

  6. Comparison of web map services - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_map_services

    Google Maps Bing Maps MapQuest Mapy.cz OpenStreetMap Here WeGo Apple Maps Yandex Maps; Business advertising Yes Yes - Microsoft consumer apps, not in B2B apps or APIs No

  7. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Mars is an application within Google Earth that is a version of the program for imagery of the planet Mars. Google also operates a browser-based version, although the maps are of a much higher resolution within Google Earth, and include 3D terrain, as well as infrared imagery and elevation data.

  8. List of online map services - Wikipedia

    en.wikipedia.org/wiki/List_of_online_map_services

    Google Maps - covers the whole country; Libre Map Project; MapQuest - covers the whole country; The National Map by the United States Geological Survey. Roadtrippers - covers the whole country; TerraServer-USA - covers the whole country; Uzbekistan. 2GIS, by 2GIS. Vietnam "Vietbando Maps", by Vietbando. "Vinalo Maps", Vinalo. See also

  9. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    SoilGrids1km is a collection of updatable soil property and class maps of the world at a resolution of 1 km produced using state-of-the-art model-based statistical methods. Presents estimates (means and 90% confidence intervals) for pH, texture (sa, si, cl), organic carbon and more for 6 depth layers up to 2 m depth.