I need to get the grid shift of the NtV2 files for the Australian National Grid
1984. I can use the .TIF files in the PROJ data but I also need to be able to
use the original GSB file for customers that only understand the official
government data.
My current setup for the .TIF file is:
const std::string p = "+proj=pipeline "
"+step +proj=unitconvert +xy_in=deg +xy_out=rad "
"+step +proj=hgridshift +grids=<gridpath>.tif +inv "
"+step +proj=unitconvert +xy_in=rad +xy_out=deg ";
I tried:
const std::string p = "+proj=pipeline "
"+step +proj=unitconvert +xy_in=deg +xy_out=rad "
"+step +nadgrids=<gridpath>.gsb +inv "
"+step +proj=unitconvert +xy_in=rad +xy_out=deg ";
Of course, this failed saying it is an invalid pipeline.
What is the correct pipeline for this procedure?
Best Regards,
David Fileccia
Senior Systems Engineer | HEMISPHERE GNSS
Office: 6860 Little Twin Road, Germantown, OH 45327, USA
Corporate: 8515 E. Anderson Drive, Scottsdale, AZ 85255, USA
M: +1 404 579 4391
[email protected]<mailto:[email protected]> |
www.hgnss.com<http://www.hgnss.com/>
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