[mapserver-dev] Re: [mapserver-users] testing mapserver large files rendering improvements

[Paul Ramsey]

Frank,

For a point-based tree, does every point end up in a node at max depth?

P.

On Thu, May 15, 2008 at 10:19 AM, Paul Ramsey <pramsey at cleverelephant.ca> wrote:
> On Thu, May 15, 2008 at 10:15 AM, Bart van den Eijnden (OSGIS)
> <bartvde at osgis.nl> wrote:
>
>> 1) how will Mapserver know by default which depth to use for the index? On
>> large point shapefiles the default depth can result in negative performance.
>
> This says to me the heuristic needs to be smarter.  I was just
> wondering that, when Frank said that the QIX can be larger than the
> SHP for points... that is not a given, perhaps the tree building code
> needs to be a little smarter