[PROJ] NTv1/NTv2/CTable2 and west-oriented longitude shifts

[Even Rouault]

On lundi 9 décembre 2019 14:10:40 CET Kurt Schwehr wrote:
> Why keep the old convention for GeoTIFFs?  I believe the sooner things
> become more uniform, the better.

You're right. I will use the positive_value=east for transcoding from NTv2, so 
that's its clear that we changed the sign.

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