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  2. MrSID - Wikipedia

    en.wikipedia.org/wiki/MrSID

    MrSID (pronounced Mister Sid) is an acronym that stands for multiresolution seamless image database.It is a file format (filename extension.sid) developed and patented [2] [3] by LizardTech (in October 2018 absorbed into Extensis) [4] for encoding of georeferenced raster graphics, such as orthophotos.

  3. 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.

  4. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    Binary storage in open format with optional compression. Allows for direct web-access of subsets/aggregations of maps through OPeNDAP protocol. RPF – Raster Product Format, military file format specified in MIL-STD-2411 [11] CADRG – Compressed ADRG, developed by NGA, nominal compression of 55:1 over ADRG (type of Raster Product Format)

  5. 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.

  6. Wikipedia : Graphics Lab/Resources/QGIS/Shaded reliefs

    en.wikipedia.org/.../Resources/QGIS/Shaded_reliefs

    In progress Need QGIS 1.8. According to this recent post and its comments : > QGIS 1.8 > Raster > Terrain Analysis > Relief (the raster will be relief + shade, unfortunately colors will be discrete and not smooth) or > (better)QGIS 1.8 > Raster > Terrain Analysis > Shaded relief (the raster will be only the shade).

  7. Data model (GIS) - Wikipedia

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

    Raster-based stacked surfaces depict the surface of each buried geologic unit, and can accommodate data on lateral variations of physical properties. In this example from Soller and others (1999), [32] the upper surface of each buried geologic unit was represented in raster format as an ArcInfo Grid file. The middle grid is the uppermost ...

  8. Raster graphics - Wikipedia

    en.wikipedia.org/wiki/Raster_graphics

    Most computer images are stored in raster graphics formats or compressed variations, including GIF, JPEG, and PNG, which are popular on the World Wide Web. [4] [5] A raster data structure is based on a (usually rectangular, square-based) tessellation of the 2D plane into cells, each containing a single value. To store the data in a file, the ...

  9. ECW (file format) - Wikipedia

    en.wikipedia.org/wiki/ECW_(file_format)

    Map projection information can be embedded into the ECW file format to support geospatial applications.. Image data of up to 65,535 bands (layers or colors) can be compressed into the ECW v2 or v3 file format at a rate of over 25 MB per second on an i7 740QM (4-cores) 1.731 GHz processor using v4.2 of the ECW/JP2 SDK.