[QGIS-Developer] Goal: High resolution GeoPDF importable to Avenza (Georeferencer plugin development question)

Shawn S sshawn09 at hotmail.com
Sun Jan 23 10:33:33 PST 2022


Greetings all,

I'm relatively new to QGIS and love it so far. My goal is to Georef a PDF map of a college campus for my legally blind brother and have it at a VERY HIGH resolution.

Method I'm using: Georeferencer plugin / Export map to Geo PDF

Problems:

  1.  Skewing of the map
  2.  Losing definition / resolution
  3.  Can be done easier?

Details:

  1.  When I mark the points of reference for my map, then open in QGIS, it is at a tilt. I am unable to rotate it and have it export pdf with the Geo option. It fails each time. If I don't rotate it, it will export fine.
  2.  Even when it does export in this manor, I lose resolution. First off, I can only export the view, not the borders of the original map, and then I lose space depending on my screen size / configuration.
  3.  The Georeferencer plugin is awesome, but lacks options. There is an option in that tool to export to pdf, when I do that I have AWESOME resolution and everything I need BUT.... It uses the coordinates from what looks like the Source X and Y, with approx. 0,0 at the top left of the map, and not the GPS coordinates. So if I open in Avenza, it puts me in the ocean near Afrika, not anywhere that my location should be. Is there a way to switch that or build in an option to do it correctly so I don't need to go into the QGIS export options at all? I can send pics if you'd like.



I'm open to trying other methods, and researching more as well so any help here is very very very much appreciated!
Thanks,
Shawn Schembri

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