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  2. 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.

  3. Geographic data and information - Wikipedia

    en.wikipedia.org/wiki/Geographic_data_and...

    There are also many different types of geodata, including vector files, raster files, geographic databases, web files, and multi-temporal data. Spatial data or spatial information is broader class of data whose geometry is relevant but it is not necessarily georeferenced , such as in computer-aided design (CAD), see geometric modeling .

  4. Shapefile - Wikipedia

    en.wikipedia.org/wiki/Shapefile

    The shapefile format is a digital vector storage format for storing geographic location and associated attribute information. This format lacks the capacity to store topological information. The shapefile format was introduced with ArcView GIS version 2 in the early 1990s. It is now possible to read and write geographical datasets using the ...

  5. ArcGIS - Wikipedia

    en.wikipedia.org/wiki/ArcGIS

    An address locator is a dataset in ArcGIS that stores the address attributes, associated indexes, and rules that define the process for translating nonspatial descriptions of places, such as street addresses, into spatial data that can be displayed as features on a map. An address locator contains a snapshot of the reference data used for ...

  6. Comparison of GIS vector file formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_GIS_vector...

    Legacy ArcGIS Workstation / ArcInfo format with reduced support in ArcGIS Desktop lineup. (by ESRI) Geography Markup Language (GML) – XML based open standard for GIS data exchange (by Open Geospatial Consortium) Simple Features – specification for vector data storage (by Open Geospatial Consortium) that can be used in a GML container

  7. MapInfo Pro - Wikipedia

    en.wikipedia.org/wiki/MapInfo_Pro

    MapInfo Pro is a database which manages information as a system of Tables. Each table is either a map file (graph) or a database file (text) and is denoted the file extension .TAB. Objects (points, lines, polygons) can be enhanced to highlight specific variations on a theme through the creation of a Thematic map. The basic data is overlaid with ...

  8. Generic Mapping Tools - Wikipedia

    en.wikipedia.org/wiki/Generic_Mapping_Tools

    Generic Mapping Tools (GMT) are an open-source collection of computer software tools for processing and displaying xy and xyz datasets, including rasterization, filtering and other image processing operations, and various kinds of map projections.

  9. World file - Wikipedia

    en.wikipedia.org/wiki/World_file

    Graphical view of world files parameters and computed values of the four first upper left pixels of an image. The generic meaning of the six parameters in a world file (as defined by Esri [1]) is: Line 1: A: pixel size in the x-direction in map units/pixel; Line 2: D: rotation about y-axis; Line 3: B: rotation about x-axis