[PROJ] NTv2 grid file from Bessel ellipsoid to Bessel ellipsoid

[Martin Desruisseaux]

Le 25/02/2019 à 21:12, Even Rouault a écrit :

>> I thought it was a bug, since I also noticed that de code ignores the
>> setting for GS_TYPE in the header of de NTv2 (.gsb) file: if this is
>> not set to seconds, it still assumes seconds.
>>
> Yes, this field of the header is ignored. But out of curiousity, are
> there other possible values ? Do you have a link to a specification of
> the format ?
>
I do not remember where I got the specification, but on my side I have
the following possible values for GS_TYPE: "SECONDS", "MINUTES" or "DEGREES"

    Martin