[PROJ] Unitconvert after topocentric conversion

[Kristian Evers]

Looks like a bug to me.

/Kristian

On Monday, February 9th, 2026 at 14:12, Javier Jimenez Shaw via PROJ <proj at lists.osgeo.org> wrote:

> Hi
>
> I would like to compute the difference in a topocentric system (ENU) from points in geocentric coordinates... with the output in millimetres.
>
> echo 4000000.0000 300000.0000 5000001.0000 | cct +pipeline +step +proj=topocentric +X_0=4000000.0000 +Y_0=300000.0000 +Z_0=5000000.0000 +step +proj=unitconvert +xy_in=m +xy_out=mm +z_in=m +z_out=mm
> 0.0000 0.6232 0.7820 inf
>
> But that is exactly the same output if I do not do the unit conversion.
>
> echo 4000000.0000 300000.0000 5000001.0000 | cct +pipeline +step +proj=topocentric +X_0=4000000.0000 +Y_0=300000.0000 +Z_0=5000000.0000
> 0.0000 0.6232 0.7820 inf
>
> Am I doing something wrong?
>
> Thanks.
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