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

Nyall Dawson nyall.dawson at gmail.com
Thu Apr 26 16:26:10 PDT 2018


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. รง

True...

Not sure what a good solution is here. Those geos warnings are often
very handy to see and for users to be aware of.

Got any ideas?

Nyall



>
> cheers
>
> Luigi Pirelli
>
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>
> 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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