[Qgis-user] lines with arrowheads

[Stefanie Tellex]

I submitted a patch to do this a while back, but I don't think it was 
accepted.  I thought it was because it was decided to wait until a more 
modular rendering pipeline was added, but I can't find the messages 
about that in the thread.   In fact the thread implies it would be 
accepted, but if it made it into svn, I never noticed it. 
(http://lists.osgeo.org/pipermail/qgis-developer/2008-February/003248.html)

The patches are attached.  (arrows_in_linestrings draws arrows; 
draw_start_and_stop draws a green dot at the start and a red dot at the 
end.)

This message suggests an alternative solution that doesn't require 
compiling qgis yourself:
http://lists.osgeo.org/pipermail/qgis-developer/2008-February/003250.html

Stefanie





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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