Hi Antonio. On Tue, 3 Mar 2026 at 19:25, Antonio Valanzano via PROJ < [email protected]> wrote:
> I have used for the first time cs2cs and I have found not easy to > discover which transformation the sw uses for the calculations. > > Here are my questions: > > 1. Is it possible for cs2cs to output not only the results but also > the EPSG code of the transformation(s) used to produce the output ? > This information could be useful for users in order to have more > control over the transformations and avoid using the sw as a black > box. > There is projinfo https://proj.org/en/stable/apps/projinfo.html , that can give you similar information. But it would be nice to have an option in cs2cs that prints the last operation used calling "proj_trans_get_last_used_operation". That way the user can know "exactly" the operation performed. > > 2. Is it possible to specify, as an option of cs2cs, a particular > pipeline of transformations using the codes considered in the > Geographic Parameter of the EPSG ? > Have you looked at cct application, next to cs2cs? https://proj.org/en/stable/apps/cct.html > Antonio > _______________________________________________ > PROJ mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/proj >
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