[OpenLayers-Dev] Making BBOX strategy smarter - part2

Christopher Schmidt crschmidt at metacarta.com
Wed Nov 12 18:04:51 EST 2008

On Wed, Nov 12, 2008 at 11:20:00PM +0100, Ivan Grcic wrote:
> This post continues on previous discussion opened under name "bbox
> strategy and zooming"
> OK, I made a little mess here :) Im pretty new with this, so I still
> dont know really well how things function.
> > Tim says
> > Keep in mind that the cluster strategy doesn't know anything about bbox, and vice-versa.
> So what  bbox does, is fetching the data, and cluster is then, well
> clustering that data? (without getting any new data, cuz thats bbox'es
> work)
> So on layer pan/zoom, first bbox is activated to fetch, and then
> cluster to process. Did i get it right?
> Well knowing that, then thers not so much to say about Cluster
> strategy. Its allready doing its job pretty well.
> Its only about making bbox more efficient, cuz of reasons that
> Tim/Christopher said:
> Tim said:
> > I want to have maxfeatures, and more aggressive invalidation because of it.
> Christopher said (thats my case btw)
> > Someone else might have a specific need to make the strategy more
> > aggressive because the server returns more detailed data based on the
> > extent of the request (I don't know, just making things up here).

These are actually reversed -- I'm Tim above, and Tim is Me.

Christopher Schmidt

More information about the Dev mailing list