[Proj] Transformation of rotation

[Andre Joost]

Am 04.09.2013 16:23, schrieb support.mn at elisanet.fi:
> Hello,
>
> use 7 parameter datum shift - that include rotational parameters for each axis
>
> in proj.4 you use towgs84 statement to define any datum shift.
>

These shift parameters are applied to the axis at the center of the 
earth, and not on the surface where we normally use plane projected data 
in metres.

Greetings,
André Joost