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  2. Wikipedia:Graphics Lab/Resources/QGIS/Importing OSM roads

    en.wikipedia.org/.../QGIS/Importing_OSM_roads

    Overview of the QGIS interface view: in red, the important features discussed in this tutorial, some side buttons in orange. QGIS is a Geographic Information System (GIS). This means that unlike Inkscape, QGIS can manage data files geolocation and geotag raw (often in the format TIFF and shp ) which can be

  3. QGIS - Wikipedia

    en.wikipedia.org/wiki/QGIS

    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. Its name comes from an abbreviation of its previous name, Quantum GIS.

  4. Shapefile - Wikipedia

    en.wikipedia.org/wiki/Shapefile

    The shapefile format is a geospatial vector data format for geographic information system (GIS) software. It is developed and regulated by Esri as a mostly open specification for data interoperability among Esri and other GIS software products . [ 1 ]

  5. Wikipedia : Graphics Lab/Resources/QGIS/Get ready

    en.wikipedia.org/.../Resources/QGIS/Get_ready

    QGis (full name: Quantum GIS) is a GPL license, cross-platform (Windows, Linux, Mac), and rather friendly cartographic software application. It is a Geographic Information System (GIS) program you can use to create, view, and analyze maps.

  6. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    Another development in the 1990s was the public release of proprietary file formats by GIS software vendors, enabling them to be used by other software. 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 ...

  7. Keyhole Markup Language - Wikipedia

    en.wikipedia.org/wiki/Keyhole_Markup_Language

    The contents of a KMZ file are a single root KML document and optionally any overlays, images, icons, and COLLADA 3D models referenced in the KML including network-linked KML files. The root KML document by convention is a file named "doc.kml" at the root directory level, which is the file loaded upon opening.

  8. GDAL - Wikipedia

    en.wikipedia.org/wiki/GDAL

    The Geospatial Data Abstraction Library (GDAL) is a computer software library for reading and writing raster and vector geospatial data formats (e.g. shapefile), and is released under the permissive X/MIT style free software license by the Open Source Geospatial Foundation.

  9. Helmert transformation - Wikipedia

    en.wikipedia.org/wiki/Helmert_transformation

    Using it, it becomes possible to convert regional surveying points into the WGS84 locations used by GPS. For example, starting with the Gauss–Krüger coordinate, x and y, plus the height, h, are converted into 3D values in steps: Undo the map projection: calculation of the ellipsoidal latitude, longitude and height (W, L, H)