[Qgis-user] how does QGIS generate the EPSG from a Shapefile?

[Raymond Nijssen]

As far as I know, qgis cannot discover it. If the shapefile is missing 
the projection info, it will either:
1. Ask you to select it
2. Select the one your current map is set to
3. Select a predefined epsg
depending on your settings.

If your settings are 2. or 3. you might not notice this, and think qgis 
is selecting the right one for you.



On 25-10-18 14:27, Rodrigo Mariano wrote:
> Hello everyone,
> 
> I would like to know: how does QGIS generate the EPSG from a Shapefile?
> 
> I ask this question, because I'm trying to upload a Shapefile by OGR, 
> but the OGR doesn't
> insert the correct EPSG. So I need always open the Shapefile in QGIS to 
> discover the
> EPSG before uploading it with OGR.
> 
> Thanks in advance.
> 
> Best Regards,
> 
> Rodrigo
> 
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