[Qgis-user] wrong SRS identification (new information)

[Patrick Dunford]

I had issues with later masters not detecting CRS from project files 
generated by earlier masters. My projects and shapefiles mostly use 
EPSG:3857 and Qgis 3 would set the project to have no assigned CRS.

I have not seen issues with any version of 2.18, or opening 2.18 project 
files in 3.0, suggesting it could be a different issue than the one you 
are experiencing.


On 15/10/17 19:58, Tobias Wendorff wrote:
> Don't take it badly, but I have to pump this error message here as well.
> The errors are accumulating and I have no idea if the problem will persist
> with QGIS3: https://issues.qgis.org/issues/17138
>
> Even if it will be fixed in QGIS3, keep in mind that many users and
> corporations want to stay with QGIS2 (e.g. because plugins are not
> compatible or the GUI has changed or whatever).
>
> The problem is really critical, because the detection of the correct
> reference system is essential for the calculations. The least evil is
> the error message that QGIS throws out when mixing EPSG:3044 with
> EPSG: 25832. EPSG: 3044 apparently has the same parameters as EPSG:25832,
> but it differs from EPSG: 25832 by the interchanged ordinate and abscissa.
>  From a geodesic point of view, this is horror.
>
> GDAL's gdalsrsinfo parses the information correctly. As a quick
> workaround, you could simply get the result from it. Since GDAL is
> needed for QGIS, this shouldn't be a problem.
>
>
>
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