[Qgis-user] Georeferencing for Avenza

[Kirk Schmidt]

Hi Peter:

Generate the map you require in the field using the print composer.  In 
the items window on the right hand side of the standard composer window, 
select the Composition Tab and check the save world file option in the 
export settings.

Save the pdf of the map and load into Avenza.


Kirk


On 10/30/2018 7:39 AM, Gmail - Peter wrote:
>
> Dear List Subscribers
>
> Are there any updates to the threads of 2015/2016 regarding QGIS 
> producing georeferenced tifs or pdfs for loading into Avenza?  I am a 
> newbie to QGIS (Madeira 3.4) and while I have succeeded in producing a 
> correctly georeferenced tif file via Raster>Conversion>translate, this 
> only works on one layer.  The three other methods I can see to export 
> or print a pdf or tif do not produce a correctly georeferenced file in 
> Lats/Longs using GDA94Z50.  The file according to Avenza is ~54deg and 
> 89deg south and west of where it should be.
>
> I am starting with a non-georeferenced raster which I put through the 
> georeferencer with 6 GCPs and several experiments of transformation 
> types, settling on polynomial 1.  The process produces a tif, pdf, and 
> loads back into the main window.  The main window raster is 
> georeferenced perfectly, so wouldn’t you think the other output would 
> be too?
>
> The correct method should be to use Print Layout, produce a map with 
> all the layers from the main window, and export as an image or pdf.  
> This might work if the map units were real world and not mm.
>
> The fall back should be Project>Import/Export>Export Map to Image or 
> pdf from the main window, but that doesn’t work either.
>
> I hope the solution is obvious and I have overlooked something 
> simple.  Any guidance appreciated, I like to take my maps out into the 
> field.
>
> Regards
>
> Peter
>
>
>
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-- 
Kirk Schmidt, MScF, BScF, RPF
General Manager
Nortek Resource Solutions Inc.
RR # 1
Thorburn, NS
B0K 1W0
Tel (902) 922.3607
Email: kirk at nortekresources.com
Web: www.nortekresources.com

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