[QGIS-Developer] QGIS3: reminder of an annoying bug

[Tobias Wendorff]

Hi Bernd,

Am So, 14.01.2018, 17:20 schrieb Bernd Vogelgesang:
> Am 14.01.2018, 15:09 Uhr, schrieb Tobias Wendorff
> <tobias.wendorff at tu-dortmund.de>:
>>
>> [...]
>>
>> Possible workaround:
>> We should check all SRS/CRS, where the parameters overlap. Then we
>> should order those "duplicates" by the frequency of use (for exaple
>> official projections first, follwed by historical projections).
>> Maybe  there's only a handful of projections that are affected.
>
> Sounds as a really good idea (for me). Especially in the processing
> toolbox, some algos silently change the CRS, so you have to check the
> outcome each and every time, cause you never know when this bug will
> hit you. I'm giving a course in some days, and having to teach such
> a behaviour in a course feels somehow awkward, leaving a bad taste.

Additionally, we should try latest gdalsrsinfo from dev. It's a little
bit of work to build the database needed, but we could write a small
plugin, which corrects the SRS after loading it init QGIS (hacky, I know).

Best regards,
Tobias