[QGIS-Developer] Strange style rendering GEOS errors... can you confirm?

[Luigi Pirelli]

great :)

Luigi Pirelli

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On 15 May 2018 at 08:42, Nyall Dawson <nyall.dawson at gmail.com> wrote:

> On 27 April 2018 at 06:27, Luigi Pirelli <luipir at gmail.com> wrote:
> > spam the log and reduce a lot the rendering time... it takes seconds for
> few
> > polygons. ç
>
> I've changed my mind. Those warnings should be removed from the
> message log, and shifted off to the console only.
>
> See https://github.com/qgis/QGIS/pull/6991
>
> I didn't realise how slow they made rendering until I hit this same
> issue on a recent project, and the cause was the labeling feature
> cropping, so not even anything which is user-fixable.
>
> Nyall
>
> >
> > cheers
> >
> > Luigi Pirelli
> >
> > ************************************************************
> **************************************
> > * LinkedIn: https://www.linkedin.com/in/luigipirelli
> > * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
> > * GitHub: https://github.com/luipir
> > * Mastering QGIS 2nd Edition:
> > *
> > https://www.packtpub.com/big-data-and-business-
> intelligence/mastering-qgis-second-edition
> > * Hire me: http://goo.gl/BYRQKg
> > ************************************************************
> **************************************
> >
> > On 26 April 2018 at 05:00, Nyall Dawson <nyall.dawson at gmail.com> wrote:
> >>
> >> On 24 April 2018 at 21:06, Luigi Pirelli <luipir at gmail.com> wrote:
> >> > Hi a colleague passed me a gpkg with a style that introduce GEOS
> >> > exceptions
> >> > during rendering... what? geos errors for a style?
> >>
> >> That's not unheard of - e.g. a line layer rendered using a simple line
> >> style with an offset applied is using GEOS to offset the lines. A lot
> >> of other symbology settings also call out to QgsGeometry methods which
> >> use GEOS under the hood.
> >>
> >> Is this causing an actual error, or just spamming the log?
> >>
> >> Nyall
> >
> >
>
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