Using the support added for alternate grids via the Grid trait this PR adds MVP support for NTv2 grids. Why MVP, notably it only supports single grid .gsb files. Support for additional grids will be added in another PR.
I've added everything behind the ntv2 feature. (I hope I've done it correctly?)
Using the support added for alternate grids via the
Grid
trait this PR adds MVP support for NTv2 grids. Why MVP, notably it only supports single grid.gsb
files. Support for additional grids will be added in another PR.I've added everything behind the
ntv2
feature. (I hope I've done it correctly?)Pending initial review, I'll add more tests.