<div dir="ltr">Tnx, but how do i do it from code ?<br>I understand that I should initialize two projections with the "+proj=geocent +ellps=XXXX" and "+proj=utm +zone=XX +ellps=XXXX" strings,<br>but then what ? <br>
(Transformation should have 3 points for each input and 3 for each output with height above ellipsoid, isn't it ?)<br><br><div class="gmail_quote">On Mon, Oct 6, 2008 at 11:19 AM, Paul Kelly <span dir="ltr"><<a href="mailto:paul-grass@stjohnspoint.co.uk">paul-grass@stjohnspoint.co.uk</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d">On Mon, 6 Oct 2008, Eran Burstain wrote:<br>
<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi !<br>
How can I convert geocentric ECEF coordinates to UTM and vice versa ?<br>
</blockquote>
<br></div>
Something like<br>
cs2cs +proj=geocent +ellps=XXXX +to +proj=utm +zone=XX +ellps=XXXX<br>
should do it. You might want some datum transformation parameters too (+towgs84=X,X,X) depending on your application.<br>
<br>
Paul<br>
<br>
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</blockquote></div><br></div>