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  2. Spatial Data File - Wikipedia

    en.wikipedia.org/wiki/Spatial_data_file

    The file format is the native spatial data storage format for Autodesk GIS programs MapGuide and AutoCAD Map 3D. As of 2014 [update] SDF format version SDF3 (based on SQLite3 ) uses a single file. Prior versions of the format required a spatial index file (SIF), with an optional key index file (KIF) to speed access to the file.

  3. ObjectARX - Wikipedia

    en.wikipedia.org/wiki/ObjectARX

    ObjectARX (AutoCAD Runtime eXtension) is an API for customizing and extending AutoCAD. The ObjectARX SDK is published by Autodesk and freely available under license from Autodesk. [ 1 ] The ObjectARX SDK consists primarily of C++ headers and libraries that can be used to build Windows DLLs that can be loaded into the AutoCAD process and ...

  4. Shapefile - Wikipedia

    en.wikipedia.org/wiki/Shapefile

    The shapefile format is a geospatial vector data format for geographic information system (GIS) software. It is developed and regulated by Esri as a mostly open specification for data interoperability among Esri and other GIS software products . [ 1 ]

  5. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    A GIS file format is a standard for encoding geographical information into a computer file, as a specialized type of file format for use in geographic information systems (GIS) and other geospatial applications. Since the 1970s, dozens of formats have been created based on various data models for various purposes

  6. Category:CAD file formats - Wikipedia

    en.wikipedia.org/wiki/Category:CAD_file_formats

    Other formats possibly not yet written: STEP - international standard for product data exchange (); G - BRL-CAD standard solid modeling open format including support for primitives, attributes, and arbitrary data storage

  7. Spatial network analysis software - Wikipedia

    en.wikipedia.org/wiki/Spatial_network_analysis...

    Plugins are provided for Autocad (for designers), ArcGIS, open source QGIS (for analysts & designers) and as a standalone Python version that works on 2D or 3D shapefiles enabling use in other GIS software and custom projects. sDNA standardizes on the network link as a unit of analysis, and computes a wide variety of closeness, betweenness ...

  8. 50 Fascinating ‘Old-Time Photos’ That Show You Just How Much ...

    www.aol.com/80-photos-past-might-transport...

    Image credits: Old-time Photos To learn more about the fascinating world of photography from the past, we got in touch with Ed Padmore, founder of Vintage Photo Lab.Ed was kind enough to have a ...

  9. ShapeManager - Wikipedia

    en.wikipedia.org/wiki/ShapeManager

    Autodesk ShapeManager is a 3D geometric modeling kernel used by Autodesk Inventor and other Autodesk products that is developed inside the company. It was originally forked from ACIS 7.0 in November 2001, [1] and the first version became available in Inventor 5.3 in February 2002.