Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-27 Thread G. Allegri
Ok for file based formats, but your hint was to move form other databases to spatialite... Anyway, Spatialite is great ;) giovanni 2011/5/27 Noli Sicad nsi...@gmail.com: PS: R has also interfaces for Postgis, shapefiles, or simply dbf files... I don't understand what's the gain to import the

Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-26 Thread Noli Sicad
PS: R has also interfaces for Postgis, shapefiles, or simply dbf files... I don't understand what's the gain to import the datas into Spatialite. Portability, offline access. No database server. Simple shapefiles or simple dbf for R analysis? = Pain. Noli.

Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-25 Thread Christine Schmidt
Hi Bob, thanks for the feed back. Do you capture groundwater level data in boreholes and in monitoring wells with this plugin to store it in a database? Sounds interesting although I wasn't searching exactly for that. Want to process data of existing groundwater databases with QGIS. Processing

Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-25 Thread G. Allegri
Spatial interpolation can be realized in many ways. There are lot different methods, which fit different needs. - Inverse Distance Weighting (IDW) - B-Splines - Kriging - Statistical simulations - etc. As you know, none of them is correct without a knowledge of the groundwater structure and

Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-25 Thread Giovanni Manghi
AFAIK, QGis can do IDW [1], while the other methods will need external softwares like GRASS and R. In this case the related QGis plugins can be used. Kriging can be done in QGIS with the SDA4PP plugin (trough R). cheers -- Giovanni -- ___

Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-25 Thread Noli Sicad
Hi Christine, Is your current data is in database system now? Getting a subset of your database from your current database system (e.g. Oracle, MS SQL, etc.) to Spatialite database which can be easily accesses by R, Grass and R Geospatial for analysis. Spatialite is supported in R package a few

Re: Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS

2011-05-25 Thread Christine Schmidt
An: Christine Schmidt c.schm...@geotguide.de Betreff: Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS Spatial interpolation can be realized in many ways. There are lot different methods, which fit different needs. - Inverse Distance Weighting (IDW) - B-Splines - Kriging

Re: Re: Re: [Qgis-user] Processing of Groundwater Databases witkh QGIS

2011-05-25 Thread mcav8r2...@yahoo.com
- Von: G. Allegri gioha...@gmail.com Gesendet: 26.05.2011 00:21:46 An: Christine Schmidt c.schm...@geotguide.de Betreff: Re: Re: [Qgis-user] Processing of Groundwater Databases with QGIS Spatial interpolation can be realized in many ways. There are lot different methods, which fit different needs