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  2. Buffer analysis - Wikipedia

    en.wikipedia.org/wiki/Buffer_analysis

    In geographic information systems (GIS) and spatial analysis, buffer analysis is the determination of a zone around a geographic feature containing locations that are within a specified distance of that feature, the buffer zone (or just buffer). [1] A buffer is likely the most commonly used tool within the proximity analysis methods. [2]

  3. Data model (GIS) - Wikipedia

    en.wikipedia.org/wiki/Data_model_(GIS)

    Because the world is much more complex than can be represented in a computer, all geospatial data are incomplete approximations of the world. [9] Thus, most geospatial data models encode some form of strategy for collecting a finite sample of an often infinite domain, and a structure to organize the sample in such a way as to enable interpolation of the nature of the unsampled portion.

  4. Hydrophobicity scales - Wikipedia

    en.wikipedia.org/wiki/Hydrophobicity_scales

    The absolute values and relative rankings of hydrophobicity determined by chromatographic methods can be affected by a number of parameters. These parameters include the silica surface area and pore diameter, the choice and pH of aqueous buffer, temperature and the bonding density of stationary phase chains. [3]

  5. ArcGIS Pro - Wikipedia

    en.wikipedia.org/wiki/ArcGIS_Pro

    ArcGIS Pro is desktop GIS software developed by Esri, which replaces their ArcMap software generation. [1] The product was announced as part of Esri's ArcGIS 10.3 release, [ 2 ] ArcGIS Pro is notable in having a 64 bit architecture, combined 2-D, 3-D support, ArcGIS Online integration and Python 3 support.

  6. Geographic information system - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information_System

    Units applied to recorded temporal-spatial data can vary widely (even when using exactly the same data, see map projections), but all Earth-based spatial–temporal location and extent references should, ideally, be relatable to one another and ultimately to a "real" physical location or extent in space–time.

  7. ArcGIS - Wikipedia

    en.wikipedia.org/wiki/ArcGIS

    With the release of ArcGIS Pro 3.0 in June, 2022 all *.aprx project files can be read by version 3.0; however, if the project is saved it will render the project file to be incompatible with version 2.9.x and earlier. [58] ArcGIS Pro 1.0 was released in January 2015. [59] ArcGIS Pro 2.6 was released in July 2020. [60] Noted features added ...

  8. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    The resolution of the raster data set is its cell width in ground units. Because a grid is a sample of a continuous space, raster data is most commonly used to represent geographic fields , in which a property varies continuously or discretely over space.

  9. Geospatial metadata - Wikipedia

    en.wikipedia.org/wiki/Geospatial_metadata

    Geospatial metadata (also geographic metadata) is a type of metadata applicable to geographic data and information.Such objects may be stored in a geographic information system (GIS) or may simply be documents, data-sets, images or other objects, services, or related items that exist in some other native environment but whose features may be appropriate to describe in a (geographic) metadata ...