Changeset 48

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Timestamp:
01/19/08 10:29:26
Author:
hobu
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update ReST

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  • spatialindex/trunk/README

    • Property svn:keywords changed from Id Rev Author to Id Rev Author Date
    r47 r48  
    66:Contact: marioh@research.att.com 
    77:Revision: $Revision$ 
    8 :Date: $Date: 2007-09-05 17:53:35 -0500 (Wed, 05 Sep 2007) $ 
     8:Date: $Date$ 
    99 
    1010..  The next heading encountered becomes our H2 
    …… 
    197197 
    198198 MemoryStorageManager 
    199 .............................................................................. 
     199~~~~~~~~~~~~~~~~~~~~~~~ 
    200200 
    201201As it is implied be the name, this is a main memory implementation. Everything  
    …… 
    205205 
    206206 DiskStorageManager 
    207 .............................................................................. 
     207~~~~~~~~~~~~~~~~~~~~~~~ 
    208208 
    209209The disk storage manager uses two random access files for storing information.  
    …… 
    364364complying with the following property strings: 
    365365 
     366    -----------------------    --------  ----------------------------------------------- 
    366367    Property                    Type      Description 
    367368    -----------------------    --------  ----------------------------------------------- 
    368  1. IndexIndentifier           VT_LONG   If specified an existing index will be  
     369   IndexIndentifier           VT_LONG   If specified an existing index will be  
    369370                                         opened from the supplied storage manager with  
    370371                                         the given index id. Behavior is unspecified 
    371372                                         if the index id or the storage manager are incorrect. 
    372  2. Dimension                  VT_ULONG  Dimensionality of the data that will be inserted. 
    373  3. IndexCapacity              VT_ULONG  The index node capacity. Default is 100. 
    374  4. LeafCapactiy               VT_ULONG  The leaf node capacity. Default is 100. 
    375  5. FillFactor                 VT_DOUBLE The fill factor. Default is 70% 
    376  6. TreeVariant                VT_LONG   Can be one of Linear, Quadratic or Rstar. Default is Rstar 
    377  7. NearMinimumOverlapFactor   VT_ULONG  Default is 32. 
    378  8. SplitDistributionFactor    VT_DOUBLE Default is 0.4 
    379  9. ReinsertFactor             VT_DOUBLE Default is 0.3 
    380  10.EnsureTightMBRs            VT_BOOL   Default is true 
    381  11.IndexPoolCapacity          VT_LONG   Default is 100 
    382  12.LeafPoolCapacity           VT_LONG   Default is 100 
    383  13.RegionPoolCapacity         VT_LONG   Default is 1000 
    384  14.PointPoolCapacity          VT_LONG   Default is 500 
    385  
    386  
     373    Dimension                  VT_ULONG  Dimensionality of the data that will be inserted. 
     374    IndexCapacity              VT_ULONG  The index node capacity. Default is 100. 
     375    LeafCapactiy               VT_ULONG  The leaf node capacity. Default is 100. 
     376    FillFactor                 VT_DOUBLE The fill factor. Default is 70% 
     377    TreeVariant                VT_LONG   Can be one of Linear, Quadratic or Rstar. Default is Rstar 
     378    NearMinimumOverlapFactor   VT_ULONG  Default is 32. 
     379    SplitDistributionFactor    VT_DOUBLE Default is 0.4 
     380    ReinsertFactor             VT_DOUBLE Default is 0.3 
     381    EnsureTightMBRs            VT_BOOL   Default is true 
     382    IndexPoolCapacity          VT_LONG   Default is 100 
     383    LeafPoolCapacity           VT_LONG   Default is 100 
     384    RegionPoolCapacity         VT_LONG   Default is 1000 
     385    PointPoolCapacity          VT_LONG   Default is 500 
     386 
     387 
     388------------------------------------------------------------------------------ 
    387389Contact Information 
    388390------------------------------------------------------------------------------ 
    …… 
    392394code and especially the test files inside regressiontest directory. 
    393395 
     396------------------------------------------------------------------------------ 
    394397References 
    395398------------------------------------------------------------------------------