It can be done in grass by turning on the "line direction" switch for the line vectors.
On Mon, Jun 2, 2008 at 2:53 PM, Andreas Neumann <[EMAIL PROTECTED]> wrote: > 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 >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Qgis-user mailing list >> Qgis-user@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/qgis-user >> > > -- > > -- > Andreas Neumann > Böschacherstrasse 6 > CH-8624 Grüt (Gossau ZH) > Switzerland > Phone: ++41-44-2736668 > Email: [EMAIL PROTECTED] > > Web: http://www.carto.net/neumann/ > SVG Examples: http://www.carto.net/papers/svg/samples/ > SVG.Open: http://www.svgopen.org/ > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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