[Shapelib] Unsupported Shapefile type of .sbn and like such

Frank Warmerdam warmerdam at pobox.com
Wed Mar 15 18:09:27 PST 2006

mike.bidwell at jeppesen.com wrote:
> To all;
>       My company is using Shapelib in a couple of tools and I have a
> question about the unsupported file types like .sbn.  If .sbn file types
> are present for a shape dataset does the generic shpopn calls read the
> information from the sbn files as well as the .shp, .shx, and .dbf files?
> And does if so what does it do with the data read?


The .sbn files are spatial index files.  The format is unpublished.  They
can generally be ignored, as their ownly use is to do spatial searches in
a shapefile more quickly.

Best regards,
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    | President OSGF, http://osgeo.org

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