[Qgis-user] drawing arrows/ lines at desired angles

[Giovanni Manghi]

Hi,
try the qgsazimuth plugin.


You may want also give a look to

http://www.qrap.org.za/

"Q-Rap: Radio Planning Tool" plugin.


cheers

-- Giovanni --



On Sat, 2011-07-16 at 16:14 +0530, Dr. Satyaprakash wrote:
> Hi,
>  
> I am trying to draw arrows/ lines at specific angles. How to do the
> same in QGIS?
>  
> I have the location of Mobile transmission towers. I also have the
> angles in which the transponders are fixed. I would like to show the
> direction of the transponders at each of the tower location. I am
> attaching a snapshot.
>  
> The data would be something like,
>  
> Long, Lat, Dir1, Dir2, Dir3
> 88.42139816,26.70509683,20,120,280
> 
> Dir1, Dir2 and Dir3 are the angle in degrees from North in which the
> transponders are oriented. Ideally I would like to plot something like
> as in the attached sample, however, even a arrow/ line in those
> directions would do. QGIS should read the file, plot the location
> using Lat and Long and then use the three directions to plot arrows/
> lines.
>  
> Looking forward to your help.
>  
> Rgds,
> Satyaprakash
>  
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