Hi Rodirigo,
Thanks- this was what I was looking for, although Pradeep's problem is an interesting one too. Matt Matt Doughty GEOGRAMA S.L. Tel.: +34 945 13 13 72 652 77 14 15 Fax: +34 945 23 03 40 www.geograma.com ________________________________ De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] En nombre de Rodrigo Martín LÓPEZ GREGORIO Enviado el: jueves, 21 de junio de 2007 14:06 Para: PostGIS Users Discussion Asunto: Re: [postgis-users] Midpoint function? Hi Matt. I think what you want may be: line_interpolate_point(the_geom,0.5) (or ST_line_interpolate_point(the_geom,0.5) depending on your Postgis version) where the_geom is a linestring and 0.5 means half of the total 2d length of the linestring. You can reed more details in the documentation: http://postgis.refractions.net/docs/ch06.html#line_interpolate_point Rodrigo On 6/21/07, Matt Doughty < [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > wrote: Hi List, Is there a function in PostGIS that finds the midpoint of a line? Matt Matt Doughty GEOGRAM A S.L. Tel.: +34 945 13 13 72 652 77 14 15 Fax: +34 945 23 03 40 www.geograma.com _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
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