| Subject | Re: Additional index kinds like R*Tree for Firebird |
|---|---|
| Author | tempo93fr |
| Post date | 2011-01-05T08:11:03Z |
--- In Firebird-Architect@yahoogroups.com, "chris.waldmann" <Christian.Waldmann@...> wrote:
for example Nested Containment List (NCList)
: http://bioinformatics.oxfordjournals.org/content/23/11/1386.abstract
but also as Mongodb (http://www.mongodb.org/display/DOCS/Geospatial+Indexing), using geohash (http://en.wikipedia.org/wiki/Geohash)
>there are also other possibilities , not only R*Tree
> From time to time there are request for support of Geographic Information System (GIS) in firebird. Supporting GIS is based on additional index kinds, additional data types and additional functions for spatial calculations.
for example Nested Containment List (NCList)
: http://bioinformatics.oxfordjournals.org/content/23/11/1386.abstract
but also as Mongodb (http://www.mongodb.org/display/DOCS/Geospatial+Indexing), using geohash (http://en.wikipedia.org/wiki/Geohash)