<div style="font-family: Arial, sans-serif; font-size: 14px;">Looks like a bug to me. </div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">/Kristian</div>
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On Monday, February 9th, 2026 at 14:12, Javier Jimenez Shaw via PROJ <proj@lists.osgeo.org> wrote:<br>
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<div dir="ltr"><div>Hi</div><div><br></div><div>I would like to compute the difference in a topocentric system (ENU) from points in geocentric coordinates... with the output in millimetres.</div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace">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</span></div><div><span style="font-family:monospace"> 0.0000 0.6232 0.7820 inf</span></div><div><br></div><div>But that is exactly the same output if I do not do the unit conversion.</div><div><span style="font-family:monospace"><br></span></div><div><span style="font-family:monospace">echo 4000000.0000 300000.0000 5000001.0000 | cct +pipeline +step +proj=topocentric +X_0=4000000.0000 +Y_0=300000.0000 +Z_0=5000000.0000</span></div><div><span style="font-family:monospace"> 0.0000 0.6232 0.7820 inf</span></div><div><br></div><div>Am I doing something wrong?</div><div><br></div><div>Thanks.</div></div>
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