tiling shape files, or shptree

[Schuyler Erle]

* On 27-Apr-2005 at  2:44AM PDT, Tim Tsai said:
>
>   Is there a significant performance difference between using
> shptree/tileindex and shp2tile/tile2index?  Since shptree already uses
> quadtrees, I imagine the main performance difference is to minimize
> seeks on the data?

My experience is that MapServer doesn't scale well with large
shapefiles, even when quadtrees are built. I would like to know why
that is, personally, but I can attest that shp2tile + tileindex scales
much better with large datasets.

SDE