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  2. List of filename extensions (S–Z) - Wikipedia

    en.wikipedia.org/wiki/List_of_filename_extensions...

    Uniform Office Format spreadsheet UOT: Uniform Office Format text UPD Update file for Storage UPS ROM patch file URL: Remote file shortcut Microsoft Windows: USDZ Augmented Reality (AR) File Apple, Pixar: UST Vocal synthesis track data UTAU: USTX Vocal synthesis track data OpenUtau: UT! datafile uTorrent: UXF UML Exchange Format

  3. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    Vector data allows for visually smooth and easy implementation of overlay operations, especially in terms of graphics and shape-driven information like maps, routes and custom fonts, which are more difficult with raster data. Vector data can be displayed as vector graphics used on traditional maps, whereas raster data will appear as an image ...

  4. Data model (GIS) - Wikipedia

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

    A hybrid topological data model has the option of storing topological relationship information as a separate layer built on top of a spaghetti data set. An example is the network dataset within the Esri geodatabase. [23] Vector data are commonly used to represent conceptual objects (e.g., trees, buildings, counties), but they can also represent ...

  5. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Crowdsourced data for the whole world including most things you'd find on a standard local paper map: points of interest, buildings, roads and road names, ferry routes etc. World Port Index Contains the location and physical characteristics of, and the facilities and services offered by major ports and terminals worldwide, from the United ...

  6. Rasterisation - Wikipedia

    en.wikipedia.org/wiki/Rasterisation

    Raster graphic image. In computer graphics, rasterisation (British English) or rasterization (American English) is the task of taking an image described in a vector graphics format (shapes) and converting it into a raster image (a series of pixels, dots or lines, which, when displayed together, create the image which was represented via shapes).

  7. Wikipedia : How to create charts for Wikipedia articles

    en.wikipedia.org/wiki/Wikipedia:How_to_create...

    Gnumeric is a fairly lightweight spreadsheet and charting application, part of the GNOME Free Software Desktop Project. It is available for Linux and other Unix-like systems, as well NT-based versions of Windows. Charts are generated by the usual method of selecting a data range and clicking a toolbar icon.

  8. Georeferencing - Wikipedia

    en.wikipedia.org/wiki/Georeferencing

    With this metadata, the software can perform the transformation dynamically as it displays the image, so that it appears to align with other data in the desired coordinate system. The alternative method is rectification, in which the image is resampled to create a new raster grid that is natively tied to the coordinate system. Rectification was ...

  9. Geographic information system - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information_System

    Data extraction is a GIS process similar to vector overlay, though it can be used in either vector or raster data analysis. Rather than combining the properties and features of both datasets, data extraction involves using a "clip" or "mask" to extract the features of one data set that fall within the spatial extent of another dataset.