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<body>Hallo Birgit
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<div align="left">The max distance function was actually not implemented until version 1.5</div>
<div align="left">There were some ideas about the function earlier that by some reason made the sql-part of the function exist.</div>
<div align="left">But now it is there, so the recomendation is, upgrade to PostGIS 1.5.1. The function has also changed name so now it is called</div>
<div align="left">ST_Maxdistance</div>
<div align="left"><a href="http://postgis.org/documentation/manual-1.5/ST_MaxDistance.html">http://postgis.org/documentation/manual-1.5/ST_MaxDistance.html</a></div>
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<div align="left">Hope that helps</div>
<div align="left">Nicklas<br />
<br />
2010-04-07 Birgit Laggner wrote:<br />
<br />
Dear list,<br />
><br />
>when I try to use the function st_max_distance(), I get the following error:<br />
><br />
>ERROR: This function is unimplemented yet<br />
>SQL Status:XX000<br />
><br />
>I am using PostGIS Version 1.3.6 and the geometries, I try to get the<br />
>max distance for, are linestrings.<br />
>St_max_distance and max_distance are both listed in my functions list in<br />
>the postgresql database.<br />
><br />
>Am I doing something wrong?<br />
><br />
>Regards,<br />
><br />
>Birgit.<br />
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