[fdo-users] SHP .qix

Mateusz Loskot mateusz at loskot.net
Tue Aug 19 11:07:17 EDT 2008

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?


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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