AW: Re: [Qgis-user] lines with arrowheads
Düster Horst
Horst.Duester at bd.so.ch
Mon Jun 2 23:16:09 PDT 2008
+1
------------------------------------------------
Dr. Horst Düster
GIS-Koordinator, Stv. Amtschef
Kanton Solothurn
Bau- und Justizdepartement
Amt für Geoinformation
SO!GIS Koordination
Rötistrasse 4
CH-4501 Solothurn
Telefon ++41(0)32 627 25 32
Telefax ++41(0)32 627 22 14
mailto:horst.duester at bd.so.ch
http://www.agi.so.ch
-----Ursprüngliche Nachricht-----
Von: Andreas Neumann [mailto:a.neumann at carto.net]
Gesendet am: Montag, 2. Juni 2008 20:53
An: qgis-user at lists.osgeo.org
Betreff: Re: [Qgis-user] lines with arrowheads
Hi Mark and others,
I don't think this is currently possible in QGIS. But I think that there
is definitely a need for such a functionality. Directionality is
important in GIS and QGIS should some day provide a way to display arrow
heads and other markers at vertices, similar to the concept SVG supports
markers.
Also, in conjunction with GRASS, such a functionality is quite
important.
Andreas
M S wrote:
> One of the outputs from r.flow in GRASS is downslope flow lines.
> Without arrowheads (or some similar symbol like that) at the end of
> lines pointing which way is downhill, the lines become ambiguous.
>
> Is there a way to draw these lines with arrowheads? Or some other
> approach that might achieve this?
>
> Mark
>
>
>
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--
--
Andreas Neumann
Böschacherstrasse 6
CH-8624 Grüt (Gossau ZH)
Switzerland
Phone: ++41-44-2736668
Email: a.neumann at carto.net
Web: http://www.carto.net/neumann/
SVG Examples: http://www.carto.net/papers/svg/samples/
SVG.Open: http://www.svgopen.org/
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