[Qgis-developer] QGIS 1.8 - check geometry validity not working

Sandro Santilli strk at keybit.net
Mon May 7 12:33:51 PDT 2012


On Mon, May 07, 2012 at 08:09:12PM +0200, Salvatore Larosa wrote:
> Il giorno lun, 07/05/2012 alle 18.57 +0200, Sandro Santilli ha scritto:
> > How did you import the geometries ?
> > Loss of precision in the import phase may _introduce_ invalidities
> > (self-intersections)
> > 
> 
> Hi Sandro,
> I did test both PostGIS (bv shp2pgsql-gui) and QGIS (by Add Vector
> Layer[python-cnosole]), in these case I always get four errors.

shp2pgsql uses HEXWKB, so should not loose anything.
Maybe the spatialite import used WKT (text) thus introducing the 5th
self-intersection ?

--strk; 

  ,------o-. 
  |   __/  |    Delivering high quality PostGIS 2.0 !
  |  / 2.0 |    http://strk.keybit.net - http://vizzuality.com
  `-o------'



More information about the Qgis-developer mailing list