[Gvsig_english] Cadastral data postgis database problem

[Benjamin Ducke]

Hi --

Which version of gvSIG are you using?
If it's OADE 2010, please exit gvSIG, 
download ftp://88.208.250.116/fmap.jar
and copy it into the "bin/gvSIG/extensiones/com.iver.cit.gvsig/lib" 
folder of your gvSIG OADE installation directory. 
Overwrite the existing file.

Then restart gvSIG and check if things have improved.

Cheers,

Ben


----- Original Message -----
> Hello,
> 
> 
> we have been developing a "Cadastral Passport extension" for gvSIG,
> which means database of cadastral parcel data and ownership.
> 
> 
> The current database had been converted form proprietary Czech
> Cadastral agency file format and data are stored in postgis DB. The
> numerical part of DB consist of roughly 40 connected tables. We have
> run into an unexpected problem when working with the database. The
> data for each querry amount to some 5 MB but we found out that gvSIG
> sends request and reloads data each time any operation is performed by
> the user (map zooming, database querrying, filtering), which overloads
> the application and prevents practical use of the exension.
> 
> 
> The problem seems to be absence of caching driver within gvSIG
> application.
> 
> 
> However, I am sure there are applications that use gvSIG, remote
> database (Posgis or other) and work with fairly large amount of data
> that are working. So I am asking for any possible help with this
> isssue. Is there any possible workaround for us? Or at least reference
> to any other similar database application under gvSIG would be greatly
> appreciated.
> 
> 
> Thank you in advance
> 
> 
> Jan Zvonik
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> Gvsig_internacional at listserv.gva.es
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