[fdo-users] SHP .qix

[Dan Stoica]

Traian, this behavior changed. The missing index file is not built at connect time but at the 1st spatial query time.

Dan.

-----Original Message-----
From: fdo-users-bounces at lists.osgeo.org [mailto:fdo-users-bounces at lists.osgeo.org] On Behalf Of Traian Stanev
Sent: Tuesday, August 19, 2008 11:44 AM
To: FDO Users Mail List
Subject: RE: [fdo-users] SHP .qix


No. It stores the index in an idx file in the same place as the shp. You will notice a long delay the first time you FDO-connect to an SHP file that does not have the index -- that's when it builds it.


Traian


> -----Original Message-----
> From: fdo-users-bounces at lists.osgeo.org [mailto:fdo-users-
> bounces at lists.osgeo.org] On Behalf Of Zac Spitzer
> Sent: Tuesday, August 19, 2008 11:15 AM
> To: FDO Users Mail List
> Subject: Re: [fdo-users] SHP .qix
>
> 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
> > _______________________________________________
> > fdo-users mailing list
> > fdo-users at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/fdo-users
> >
>
>
>
> --
> Zac Spitzer -
> http://zacster.blogspot.com (My Blog)
> +61 405 847 168
> _______________________________________________
> fdo-users mailing list
> fdo-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/fdo-users
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