[OSM-dev] on-disk indexing of geodata

Jochen Topf jochen at remote.org
Fri Oct 17 10:14:38 BST 2008


On Fri, Oct 17, 2008 at 10:30:41AM +0200, Marcus Wolschon wrote:
> I am trying to create a binary-format
> for storing OSM-data.
> ( http://wiki.openstreetmap.org/index.php/User:MarcusWolschon%5Cosmbin_draft#nodes.obm
> )
> 
> I am looking for advise on how to create an on-disk index in one
> dimension (element-id->offset where it is stored)
> and 2 dimensions (bounding-box->nodeIDs and boundingBox->intersecting
> bouding-boxes
> of ways).

Have a look at the shptree program in the UMN mapserver distribution.

Jochen
-- 
Jochen Topf  jochen at remote.org  http://www.remote.org/jochen/  +49-721-388298





More information about the dev mailing list