Re: [Qgis-user] Difference between QGIS and GEOS method ?

2017-04-27 Thread Jürgen E . Fischer
Hi Harrissou, On Thu, 27. Apr 2017 at 13:16:13 +0200, DelazJ wrote: > This is indeed a question I frequently see and also wonder what the > differences are. Also because, according to the one you select, checking > validity tools for example do not return the same results. So I think users > need

Re: [Qgis-user] Difference between QGIS and GEOS method ?

2017-04-27 Thread DelazJ
Hi, This is indeed a question I frequently see and also wonder what the differences are. Also because, according to the one you select, checking validity tools for example do not return the same results. So I think users need to know the difference and make the appropriate choice. *(if a qgis dev

[Qgis-user] Difference between QGIS and GEOS method ?

2017-04-05 Thread FERRATON Alain (Chef de groupe) - SG/SPSSI/CPII/DOO/Expertises Techniques
Hi, I am writing a documentation on the analysis of geometry error detection in QGIS (in French). Is there any detailed documentation on the differences between the QGIS and GEOS methods used by the check validity algorithm (and in option of feature creation in Project Properties -> digitizi