[Qgis-developer] QGIS creating defective shape-files?

Frank Warmerdam warmerdam at pobox.com
Thu Jul 23 21:04:27 EDT 2009


Maxim Dubinin wrote:
> 1. The fact that QGIS is showing everything correctly probably means
> that it is simply ignoring spatial index (sbn,sbx) of the
> shapefile, is this so? If so, I'm not sure if this is correct
> strategy, use of this index might help to work with larger datasets.
> As I can see, QGIS is creating its own index (qix), it might mean that
> ESRI spatial index format is not open/effective?

Maxim / Marco, etc,

I would note that there is already a GDAL ticket on the need to delete the
.sbn/.sbx and/or .qix files if the underlying shapefile is changed.

   http://trac.osgeo.org/gdal/ticket/2798

This is on Chaitanya's todo list.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent



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