Changes between Version 68 and Version 69 of Grass7/VectorLib/OGRInterface


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Timestamp:
Nov 14, 2011, 9:45:22 AM (12 years ago)
Author:
martinl
Comment:

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  • Grass7/VectorLib/OGRInterface

    v68 v69  
    101101=== Optimalization ===
    102102
    103 Most of GRASS modules are designed to access features randomly which is basically quick for GRASS native vector data, but very very slow when accessing features via OGR library, see example bellow
     103Most of GRASS modules are designed to access features randomly which is basically quick for GRASS native vector data, but ''very very slow'' when accessing features via OGR library, see example bellow
    104104
    105105{{{
     
    111111}}}
    112112
     113Test for vector map with 100.000 points
     114
     115Native
     116
     117{{{
     118real    0m0.194s
     119user    0m0.164s
     120sys     0m0.024s
     121}}}
     122
     123OGR-link
     124
     125{{{
     126real    0m35.616s
     127user    0m7.880s
     128sys     0m3.700s
     129}}}
     130
    113131'''Simple test of rendering speed'''
    114132