Smart Data Compression

Smart Data Compression

Smart Data Compression is a technique to compress GIS dataset, store all types of feature data and attribute information togetheras a core data structure, SDC format is used in ArcGIS streetmap, routeServer, routeMap IMS, business analyst, businessMap, ArcMobile SDK for its good compression ratio.

Compression ratios range from 8x to 20x depending on the data source and structure. SDC data is optimized for rapid map display, accurate routing, and high-performance geocoding.

Both Tele Atlas and NAVTEQ provide North American commercial street datasets in SDC format.


Wikimedia Foundation. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Smart Data Compression — ist ein komprimiertes GIS Daten Format, die Dateien besitzen die Dateiendung sdc. In sdc Dateien werden alle Typen von Feature und Attributdaten gemeinsam gespeichert. Es wurde von der Firma ESRI für ihr ArcGIS Paket entwickelt. Das SDC Format… …   Deutsch Wikipedia

  • Smart Data Compression — Pour les articles homonymes, voir SDC. Smart Data Compression (dont l’extension est .sdc) est un format propriétaire de fichier utilisé pour le stockage d’information géographique. Un fichier SDC est destiné à être utilisé par des systèmes… …   Wikipédia en Français

  • Data URI scheme — The data URI scheme is a URI scheme (Uniform Resource Identifier scheme) that provides a way to include data in line in web pages as if they were external resources. It tends to be simpler than other inclusion methods, such as MIME with cid or… …   Wikipedia

  • Video compression picture types — In the field of video compression a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly around amount of data compression. These different algorithms for video frames are called… …   Wikipedia

  • One-way compression function — In cryptography, a one way compression function is a function that transforms two fixed length inputs to an output of the same size as one of the inputs. The transformation is one way , meaning that it is difficult given a particular output to… …   Wikipedia

  • Radio Data System — The RDS Logo Radio Data System, or RDS, is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardises several types of information transmitted, including time,… …   Wikipedia

  • Disk compression — A disk compression software utility increases the amount of information that can be stored on a hard disk drive of given size. Unlike a file compression utility which compresses only specified files and which requires the user designate the files …   Wikipedia

  • Formats de fichier SIG — Un format de données SIG est une représentation informatique de l information géographique, fournissant éventuellement des indications sur la manière dont elle est géoréférencée. Ces formats sont créés par les agences gouvernementales de… …   Wikipédia en Français

  • SDC — or S.D.C. has several meanings:* Sassarese language, for which sdc is the ISO 639 3 code * Secure Download Cabinet, a software packaging format used by Microsoft. * Sentosa Development Corporation, a statutory board in Singapore. * Sheffield… …   Wikipedia

  • ArcGIS — Entwickler ESRI Aktuelle Version 10.0 (29. Juni 2010) Betriebssystem Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7 …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”