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  2. DTED - Wikipedia

    en.wikipedia.org/wiki/DTED

    The DTED format for level 0, 1 and 2 is described in U.S. Military Specification Digital Terrain Elevation Data (DTED) MIL-PRF-89020B, and amongst other parameters describes the resolution for each level: Level 0 has a post spacing of approximately 900 meters. Level 1 has a post spacing of approximately 90 meters.

  3. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Global Roads Open Access Data Set (gROADS) Well documented global dataset from NASA's Socioeconomic Data and Applications Center of roads between settlements using a consistent data model (UNSDI-T v.2) which is, to the extent possible, topologically integrated, and accurate to approximately 50m. Only roads between settlements are included, not ...

  4. National Elevation Dataset - Wikipedia

    en.wikipedia.org/wiki/National_Elevation_Dataset

    The National Elevation Dataset (NED) consists of high precision topography or ground surface elevation data (digital elevation model) for the United States. It was maintained by the USGS and all the data is in the public domain. Since the 3D Elevation Program came online, the NED was subsumed [1] into The National Map as one of its layers of ...

  5. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    USGS DEM – The USGS' Digital Elevation Model GTOPO30 – Large complete Earth elevation model at 30 arc seconds, delivered in the USGS DEM format; DTED – National Geospatial-Intelligence Agency (NGA)'s Digital Terrain Elevation Data, the military standard for elevation data; World file – Georeferencing a raster image file (e.g. JPEG, BMP)

  6. List of datasets in computer vision and image processing

    en.wikipedia.org/wiki/List_of_datasets_in...

    Corel Image Features Data Set Database of images with features extracted. Many features including color histogram, co-occurrence texture, and colormoments, 68,040 Text Classification, object detection 1999 [189] [190] M. Ortega-Bindenberger et al. Online Video Characteristics and Transcoding Time Dataset.

  7. List of spatial analysis software - Wikipedia

    en.wikipedia.org/wiki/List_of_spatial_analysis...

    LuciadLightspeed consists of over 100 different software components and connectors to fuse, visualize and analyze geospatial data. This can include static and moving data, maps, satellite imagery, crowd-sourced data, full motion video, weather data and terrain elevation in many different geodetic references and map projections.

  8. USGS DEM - Wikipedia

    en.wikipedia.org/wiki/USGS_DEM

    The USGS DEM standard is a geospatial file format developed by the United States Geological Survey for storing a raster-based digital elevation model.It is an open standard, and is used throughout the world.

  9. National lidar dataset - Wikipedia

    en.wikipedia.org/wiki/National_lidar_dataset

    A national lidar dataset refers to a high-resolution lidar dataset comprising most—and ideally all—of a nation's terrain. Datasets of this type typically meet specified quality standards and are publicly available for free (or at nominal cost) in one or more uniform formats from government or academic sources.