[Qgis-user] Projection of Shapefile export

Micha Silver micha at arava.co.il
Sat Sep 18 23:35:19 PDT 2010


Micha Silver wrote:

> Brett Adams wrote:
>
>> Micha,
>> I've attached csv data for importing and all shape files exported. 
>> I've added comments into your prior email also.
>>
> Hi Brett:
>
> I do indeed see a problem exporting to the AGD84 CRS. I get a 
> "Latitude or Longitude exceeds limits" error. This happens when the 
> global CRS is set to WGS84 (which is the default in QGIS). Attached is 
> a screen shot of the error.
>
> Here's how to overcome the problem: Change your Global CRS to AGD84 
> zone 51 (BTW, that's EPSG code 20351). This is done in the 
> Settings->Options->CRS dialog window. Now re-import the csv file and 
> then save as shapefile and you should be able to select the AGD84 CRS 
> and have it saved correctly.
> Alternatively, if you don't want to change the global CRS setting, you 
> can select (in the same Settings->Options-CRS window) to "Prompt for 
> CRS".  Then when you import the csv you'll be asked to specify the 
> correct CRS for the points, You again select AGD84 and all should be 
> well.
>
> Cheers,
> Micha
>
And just to complete the picture, Jurgen reminded me that in recent 
versions there's a setting for each layer to set what CRS it is. This is 
found in the Layer->properties window, General tab. Click on the button 
"Specify CRS" and choose the correct coordinate system. You can do this 
also for a delimited text file layer.  Then export to shapefile works as 
you'd expect..
-- 
Micha



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