[Mapserver-users] asymmetric lines

[youssef chamoun]

Hello,
I can not try it yet, It needs version 4.0 of mapserver.


>From: "Stepan Kafka" <stepan.kafka at centrum.cz>
>To: <woodbri at swoodbridge.com>,"youssef chamoun" 
><youssefchamoun at hotmail.com>,<mapserver-users at lists.gis.umn.edu>
>Subject: RE: [Mapserver-users] asymmetric lines
>Date: Tue, 24 Feb 2004 08:20:54 +0100
>
>This is not BUG because symbols are placed cartographically (e.g. if you
>have bicycle or car symbol along the line, the orientation has to be +- to
>north). For oriented symbols (arrows etc) the GAP < 0 may be used as
>mentioned below. Have you tried it?
>Plese, let me know if it doesn't work.
>
>Stepan Kafka
>
> > -----Pùvodní zpráva-----
> > Od: woodbri at swoodbridge.com [mailto:woodbri at swoodbridge.com]
> > Odesláno: 24. února 2004 2:51
> > Komu: youssef chamoun; mapserver-users at lists.gis.umn.edu; Stepan Kafka
> > Pøedmìt: RE: [Mapserver-users] asymmetric lines
> >
> >
> > FYI, there is a bug that I submitted regarding TTF symbols that might
> > impact this. See
> >
> > http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=573
> >
> > In summary the symbol flips 180 degrees depending on the angle and
> > slope of the the line segment.
> >
> > If you are running into this problem you might want to post a note to
> > the list or the bug so we know.
> >
> > Thanks,
> >   -Steve
> >
> > On 23 Feb 2004 at 9:06, Stepan Kafka wrote:
> >
> > > Hi Youssef,
> > >   you may use two approaches:
> > >
> > > 1) offset lines. If you set OFFSET -99 <number> (eg -99 5) for
> > line symbols,
> > > the result line is parallel to original one. Stacking symbols
> > with multiple
> > > STYLEs you can achieve desired effect. (There is only simple (but 
>quick)
> > > algorithm used for offseting, so there may be some problems with very
> > > tortuous lines)
> > >
> > > 2) Truetype symbols. If you set GAP < 0 (eg. GAP -15), the symbols are
> > > oriented in "as digitized" orientation. Then you may set
> > POSITION (UC, LC,
> > > UR, ..) to get different drawing effects.
> > >
> > > These functionality is available from 3.6.0 (?) version.
> > >
> > > Stepan Kafka
> > >
> > > > -----P vodn? zpr va-----
> > > > Od: mapserver-users-admin at lists.gis.umn.edu
> > > > [mailto:mapserver-users-admin at lists.gis.umn.edu]za u ivatele youssef
> > > > chamoun
> > > > Odesl no: 20. Lnora 2004 16:33
> > > > Komu: mapserver-users at lists.gis.umn.edu
> > > > P edm t: [Mapserver-users] asymmetric lines
> > > >
> > > >
> > > > Hello,
> > > >
> > > > can anyone please help me on a way to create asymmetric lines?
> > > >
> > > > Thank you.
> > > >
> > > > Youssef Chamoun
> > > >
> > > > _________________________________________________________________
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> > > >
> > > >
> > >
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> > >
> >
> >
> >
>

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