[Qgis-user] Why QGIS change the SRS?

[Rafa García Castillo]

  Sorry Goyo. I think the PROJ string is in the previous message from
Alexandre. I suppose that´s the right answer...

  Thanks

  Rafa

2017-02-21 7:12 GMT+01:00 Rafa García Castillo <ragaca at gmail.com>:

> Hi Hoyo. It could be what you've said. How can I see how it looks the
> PROJ4 string?
> Thanks
> Rafa
>
> El 20 feb. 2017 9:14 p. m., "Goyo" <goyodiaz at gmail.com> escribió:
>
>> I think it is because it looks at the proj4 string, which is the same.
>>
>> 2017-02-17 10:59 GMT+01:00 Rafa García Castillo <ragaca at gmail.com>:
>> >   Thanks Alexandre for answering. Yes, those projections are quite
>> similar,
>> > but one is in UTM coordinates and the other is TM. I can imagine that
>> the
>> > use of both projections is the same in most of the cases, but makes me
>> > wonder why QGIS does this change, because they have different EPSG code.
>> >
>> >   Thanks again.
>> >
>> >   Rafa
>> >
>> > El 16 feb. 2017 12:45 p. m., "Alexandre Neto" <senhor.neto at gmail.com>
>> > escribió:
>> >>
>> >> Seems that those two projections are equal:
>> >>
>> >> http://spatialreference.org/ref/epsg/etrs89-utm-zone-30n/html/
>> >>
>> >> http://spatialreference.org/ref/epsg/etrs89-etrs-tm30/html/
>> >>
>> >> If you want to force EPSG:25830 into that layer, use the Vector >
>> >> Management tools > Define Projection
>> >>
>> >>
>> >>
>> >> Rafa García Castillo <ragaca at gmail.com> escreveu no dia quinta,
>> 16/02/2017
>> >> às 11:11:
>> >>>
>> >>>   Hello everybody,
>> >>>
>> >>>   Just one question: I am using QGIS v2.18. I start a project using
>> >>> EPSG:25830. When I load a SHP layer into QGIS, then QGIS change the
>> SRS of
>> >>> the project "on the fly" to EPSG:3042, even when the PRJ file of the
>> SHP
>> >>> layer shows that the SHP is in EPSG:25830. Why?
>> >>>
>> >>>   Thanks in advance
>> >>>
>> >>>   Rafa
>> >>> _______________________________________________
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>> >>
>> >> --
>> >> Alexandre Neto
>> >> ---------------------
>> >> @AlexNetoGeo
>> >> http://sigsemgrilhetas.wordpress.com
>> >> http://gisunchained.wordpress.com
>> >
>> >
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