[Qgis-developer] Get rid of Shapefiles ! Go SpatiaLite !
pb at sungis.lv
Mon Nov 26 09:02:14 PST 2012
This direction from my view is more correct course of action - make the
use of spatialite more easy and ergonomic for users as it is now and in
case of success it will be used more and more.
On 2012.11.26. 18:35, kimaidou wrote:
> Hi again
> I am coming back after more thinking :). I changed the subject into Go
> Spatialite !
> List of modifications which would help to use spatialite instead of
> Shapefile as the default format :
> * Create a new vector layer : should allow to choose between shapefile
> and Spatialite. Let the use choose an existing spatialite connection
> or easily create a new spatialite file and connection, and create a
> new table there.
> * Tab fields, if the layer provider is spatialite :
> - add the ability to delete columns : currently it is not possible
> - add the ability to rename a column with the appropriate SQL command
> - add the ability to change the type of a column when it is possible
> * Tab General
> - add the ability to create/remove a spatial index for spatialite
> tables, as QSpatialite does
> * FTools and another vector processing tools :
> - add the ability to choose between shapefile and spatialite to
> create the processed layers.
> I think it would be a big break for QGIS if we facilitate more the use
> of spatialite. I know it is already possible to achieve many things
> with DBManager or QSpatialite, but we could help the users by letting
> them edit spatialite tables without a dedicated tool.
> 2012/11/26 kimaidou <kimaidou at gmail.com <mailto:kimaidou at gmail.com>>
> Hi Yves,
> I totally agree with you and Bary on the superiority of spatialite
> VS GeoJson considering performance, geoprocessing methods,
> capabilities, etc.
> But I am still not sure beginner would be comfortable enough using
> Sqlite to replace Shapefiles. I think they will be more
> comfortable with the idea to keep the one layer / one file
> architecture. They can off course use one sqlite file containing
> only one layer, so this question could be answered.
> But still, I think users should be able to use the "Field" tab of
> the layer properties dialog to easily edit the layer structure,
> not another dedicated tool in another QGIS menu (or plugin)
> We could probably find a way to use the tools of the Fields tab to
> modify the structure of the related sqlite table. This would help
> a lot people to use more the spatialite format, no ?
> I need more thinking :)
> Thanks all for your comments
> 2012/11/26 Yves Jacolin (Free) <yjacolin at free.fr
> <mailto:yjacolin at free.fr>>
> I agreed with all you said, I am sure Spatialite format is the
> future of
> Geo"file" format:
> * easy to share (one file)
> * easy to use, edit
> * a lot of better capabities than Shapefile
> * use same OGC Standard as PostGIS does
> Le lundi 26 novembre 2012 15:35:24 Barry Rowlingson a écrit :
> > [apologies for empty previous message, I blame google for
> > [...] next to 'Send'. This message has real content:
> > On Mon, Nov 26, 2012 at 3:12 PM, kimaidou
> <kimaidou at gmail.com <mailto:kimaidou at gmail.com>> wrote:
> > > Hi list,
> > >
> > > The subject is a bit polemical, on purpose. I am used to
> playing with
> > > Postgis, spatialite and GeoJson, which are all open-source
> ways to store
> > > spatial data.
> > >
> > > I am very frustrated by the limitations of the Shapefile
> format, and much
> > > more by the quasi obligation to use it as the default
> vector format in
> > > QGIS. I mean for non power users who do not use PostGIS or
> > Why is spatialite seen as a "power user" option when ESRI
> users have
> > been using something similar for years? Its just a file, you
> > to it, you add spatial data to it.
> > GeoJSON is always going to be pretty verbose unless you
> gzip it - I
> > wouldn't want to use it for anything too big.
> > Barry
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pb at sungis.lv
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