Indexed Shapefile vs. PostGIS

[Schuyler Erle]

* On 24-Aug-2005 at  1:46PM PDT, Ethan Alpert said:
> You can also use shptree to generate a spatial index file (QIX) which
> mapserver will use to fairly efficiently display the data.

I've found that the QIX support isn't sufficient to speed up access to
really large shapefiles, especially if you're doing any kind of
attribute filtering. I'd love to know why this is.

SDE