[Qgis-developer] Valid or invalid geom in PostGIS?

[Mark Johnson]

>
> let me be more clear: there are NO invalid geoms in the DB, as reported
> by st_isvalid. what is strange:
> * invalidities are reported in qgis log (this may be due to
> simplification, thanks Alvaro)
>
>
Then attept an 'ST_Simplify(geom,tolerance)' on these geometries to see if
these errors occur:
- tolerance '1' seems to be the default value being used

> 2017-01-16T11:34:52   1       NOTA: NOTICE:  Self-intersection at or near point

> 619746.32941695023 4869530.4882389866
> 2017-01-16T11:34:52   1       NOTA: NOTICE:  IllegalArgumentException:
Invalid
> number of points in LinearRing found 3 - must be 0 or >= 4
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-developer/attachments/20170117/ad79579f/attachment.html>