[Qgis-user] Re: Projection of Shapefile export

Ken Norris ken.norris at wideband.net.au
Thu Sep 23 03:23:07 PDT 2010


Correction, the AGD84 data do transform if used for areas where AGD84 was
used. I tried a sample from Victoria earlier, where AGD84 wasn't used — I
don't think the distortion table covers it.

Thus for AGD zone 53

+proj=utm +zone=53 +south +ellps=aust_SA +nadgrids=AGD84.gsb +units=m
+no_defs +wktext

where 'AGD84.gsb' is the re-badged 'National 84 (02.07.01).gsb' distortion
grid from the http://www.icsm.gov.au website
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