On Fri, Jan 6, 2012 at 10:55 AM, Rositsa Shadura <rositsa.shadura@uni-konstanz.de> wrote:

Hi Ingo, hi all,

until now we at BaseX have not discussed the implementation of a geospatial API. However, I would like to ask you what is actually your requirement: a module which provides functions for querying spatial data or a feature for indexing such data or both? :)
I ask because the replies from Jan and Erdal referred to indexes, while this from Eric was more about a module for querying such data.
Currently there is a specification provided by EXPath[1] which defines an extensive geospatial API. The only implementation of this specification is, as far as I know, this provided by Zorba[2]. The ones offerred by eXist[3] and MarkLogic[4] do not follow it or provide just a subset of the functions in it. Do you think that an implementation of the EXPath geospatial API would be useful for you?

Regards,
Rositsa

[1] http://expath.org/spec/geo
[2] http://zorba-xquery.com/site2/doc/latest/zorba/xqdoc/xhtml/expath.org_ns_geo.html
[3] http://demo.exist-db.org/exist/functions/spatial
[4] http://developer.marklogic.com/pubs/4.0/apidocs/GEO.html

On Mon, 02 Jan 2012 18:07:17 +0100, Schildmann, Ingo <Schildmann@karb.de> wrote:

Hi,

Our company evaluates BaseX for our project.

A new requirement is to show spatial data with a geographic information
system.

Are there any plans for a spatial xquery module for querying GML like
the (experimental) module in eXist?

http://exist-db.org/extensions.html#module_spatial

Regards, Ingo

Dr. Karb Informationstechnologien
Im Wolfer 10
70599 Stuttgart
Tel.: 0711 - 4 51 24 - 70
Fax: 0711 - 4 51 24 - 55
Web: http://www.karb.de <http://www.karb.de/>
Mail: schildmann@karb.de <mailto:schildmann@karb.de>
Skype: ischildmann

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