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  2. National Mapping and Resource Information Authority

    en.wikipedia.org/wiki/National_Mapping_and...

    The Philippines' National Mapping and Resource Information Authority (Filipino: Pambansang Pangasiwaan sa Pagmamapa at Dulugang Kaalaman), abbreviated as NAMRIA, is an agency of the Philippine government under the Department of Environment and Natural Resources responsible for providing the public with mapmaking services and acting as the central mapping agency, depository, and distribution ...

  3. List of online map services - Wikipedia

    en.wikipedia.org/wiki/List_of_online_map_services

    Philippines "Philippine Geoportal", by the National Mapping and Resource Information Authority. Qatar "Qatar Geoportal", by Qatar's Center for Geographic Information Systems (CGIS), part of the Ministry of Municipality and Environment. Urbi, by 2GIS. Russia. Yandex Maps, by Yandex. 2GIS, by 2GIS. Maps.me, by Mail.Ru; Saudi Arabia

  4. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources. OpenStreetMap is freely licensed under the Open Database License and is commonly used to make electronic maps, inform turn-by-turn navigation, and assist in humanitarian aid and data visualisation.

  5. Google Earth - Wikipedia

    en.wikipedia.org/wiki/Google_Earth

    Google Earth is a web and 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.

  6. Terraserver.com - Wikipedia

    en.wikipedia.org/wiki/Terraserver.com

    The TerraServer viewer allows users to select imagery from different dates and of different resolutions. While most of the TerraServer imagery is focused on high resolution, color, satellite and aerial imagery, TerraServer.com also offers Color Infrared Imagery, Panchromatic Imagery, Low Resolution Satellite Imagery, and topographic maps.

  7. Aerial photographic and satellite image interpretation

    en.wikipedia.org/wiki/Aerial_photographic_and...

    Black and white aerial photographs are frequently used for drawing maps, such as topographic maps. [5] Topographic maps are precise, in-depth descriptions of the terrain characteristics found in the areas or regions. [7] Black and white aerial photography is capable of producing good-quality images under poor weather conditions, such as foggy ...

  8. Digital orthophoto quadrangle - Wikipedia

    en.wikipedia.org/wiki/Digital_orthophoto_quadrangle

    An image from a part of a digital orthophoto quadrangle of Washington, DC. A digital orthophoto quadrangle [1] (DOQ) is aerial photography or satellite imagery that has been corrected so that its pixels are aligned with longitude and latitude lines, and have a narrowly defined region of coverage.

  9. Virtual globe - Wikipedia

    en.wikipedia.org/wiki/Virtual_globe

    Google Earth, satellite and aerial photos dataset (including commercial DigitalGlobe images) with international road dataset, the first popular virtual globe along with NASA World Wind. MapJack is a flash based map covering areas in Canada, France, Latvia, Macau, Malaysia, Puerto Rico, Singapore, Sweden, Thailand, and the United States.