Volume 34 Issue 2
Feb.  2009
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YANG Chuncheng, XIE Peng, HE Liesong, ZHOU Xiaodong. Data Scheduling for Map Data Reading[J]. Geomatics and Information Science of Wuhan University, 2009, 34(2): 166-169.
Citation: YANG Chuncheng, XIE Peng, HE Liesong, ZHOU Xiaodong. Data Scheduling for Map Data Reading[J]. Geomatics and Information Science of Wuhan University, 2009, 34(2): 166-169.
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Data Scheduling for Map Data Reading

  • 1Xi'an Research Institute of Surveying and Mapping,1 Middle Section,Yanta Road,Xi'an 710054,China

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  • Received Date: December 24, 2008
  • Revised Date: December 24, 2008
  • Published Date: February 04, 2009
    Graphical Abstract
    • Abstract
  • When using geo-spatial database and geographic information system,the volumes of map data to be loaded are hard to be estimated and the memory requisition is difficult to be allocated in advance.We proposed a new data scheduling method to solve the problem.The data exchange between memory and secondary storage devices was implemented according to fist in first out(FIFO) strategy in this method.The problem of large volume map data reading and displaying under fixed memory was solved efficiently.
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