[fdo-users] SHP .qix

Zac Spitzer zac.spitzer at gmail.com
Tue Aug 19 11:15:17 EDT 2008


so does that mean with fdo each time you connect to a SHP file its
indexed on the fly?

because mapguide 2.0.1 has the following configuration in serverconfig.ini

DataConnectionPoolExcludedProviders= OSGeo.SDF,OSGeo.SHP

z

On Wed, Aug 20, 2008 at 1:07 AM, Mateusz Loskot <mateusz at loskot.net> wrote:
> Zac Spitzer wrote:
>>
>> they are special shp spatial indexes built using shptree which is
>> configurable
>>
>> http://mateusz.loskot.net/2007/11/16/shptree-depth-vs-index-file-size/
>>
>> Frank, can you say anything about the performance like with them?
>
> Zac,
>
> As I've explained in my blog post, it's a very simple and poor benchmark.
> Perhaps it would be a good idea to compare it to spatial index
> implementation used by FDO SHP [1].
> AFAIK, both Shapelib and FDO SHP versions base on R-Tree index.
>
> [1] http://svn.osgeo.org/fdo/trunk/Providers/SHP/Src/ShpSpatialIndex/
>
> --
> Mateusz Loskot, http://mateusz.loskot.net
> Charter Member of OSGeo, http://osgeo.org
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>



-- 
Zac Spitzer -
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