<div dir="ltr"><div>Thanks Even!</div><div><br></div><div>So the syntax was clearly wrong. Should it fail, instead of run just the first step?</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, 9 Feb 2026 at 18:54, Even Rouault <<a href="mailto:even.rouault@spatialys.com">even.rouault@spatialys.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>

  
    
  
  <div>
    <p>Hi,</p>
    <p>just a syntax issue : replace +pipeline with +proj=pipeline</p>
    <p>Even</p>
    <div>Le 09/02/2026 à 14:06, Javier Jimenez
      Shaw via PROJ a écrit :<br>
    </div>
    <blockquote type="cite">
      
      <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>
      <br>
      <fieldset></fieldset>
      <pre>_______________________________________________
PROJ mailing list
<a href="mailto:PROJ@lists.osgeo.org" target="_blank">PROJ@lists.osgeo.org</a>
<a href="https://lists.osgeo.org/mailman/listinfo/proj" target="_blank">https://lists.osgeo.org/mailman/listinfo/proj</a>
</pre>
    </blockquote>
    <pre cols="72">-- 
<a href="http://www.spatialys.com" target="_blank">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
  </div>

</blockquote></div>