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List:       postgis-users
Subject:    Re: [postgis-users] angle on terminal point of line
From:       "David William Bitner" <david.bitner () gmail ! com>
Date:       2007-05-24 14:09:05
Message-ID: d2f53e190705240709q35066af5k7cd3014d7a95e126 () mail ! gmail ! com
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azimuth(pointn(geom,numpoints(geom)-1),endpoint(geom))

On 5/22/07, luca marletta <lucamarle@gmail.com> wrote:
>
> Hi all,
> I need to put a symbols in the terminal point of lines and with line
> orientation.
> I do it with mapserver but I need to evaluate the angle of line in
> terminals.
>
> I tried with azimuth but my lines are not straight and azimuth
> consider the bee line between start and end points.
>
> Have anyone already experimented something to evaluate in postig such
> terminal angle of lines?
>
> Thanks a lot
>
> luca
>
> --
> luca marletta
> www.beopen.it
> _______________________________________________
> postgis-users mailing list
> postgis-users@postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>



-- 
************************************
David William Bitner

[Attachment #5 (text/html)]

azimuth(pointn(geom,numpoints(geom)-1),endpoint(geom))<br><br><div><span \
class="gmail_quote">On 5/22/07, <b class="gmail_sendername">luca marletta</b> &lt;<a \
href="mailto:lucamarle@gmail.com">lucamarle@gmail.com</a>&gt; wrote: \
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, \
204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi all,<br>I need to put a \
symbols in the terminal point of lines and with line<br>orientation. <br>I do it with \
mapserver but I need to evaluate the angle of line in terminals.<br><br>I tried with \
azimuth but my lines are not straight and azimuth<br>consider the bee line between \
start and end points.<br><br>Have anyone already experimented something to evaluate \
in postig such <br>terminal angle of lines?<br><br>Thanks a \
lot<br><br>luca<br><br>--<br>luca marletta<br><a \
href="http://www.beopen.it">www.beopen.it</a><br>_______________________________________________<br>postgis-users \
mailing list<br> <a href="mailto:postgis-users@postgis.refractions.net">postgis-users@postgis.refractions.net</a><br><a \
href="http://postgis.refractions.net/mailman/listinfo/postgis-users">http://postgis.refractions.net/mailman/listinfo/postgis-users
 </a><br></blockquote></div><br><br clear="all"><br>-- \
<br>************************************<br>David William Bitner



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