calculate part of solid circle in 2D array

[Robert Voigtländer]

OK. Found a good one here:
http://www.daniweb.com/software-development/python/threads/321181/python-bresenham-circle-arc-algorithm

Now only filling is needed.
Any help is welcome ...

Thanks
Robert

Am Montag, 25. November 2013 08:26:19 UTC+1 schrieb Robert Voigtländer:
> Hi,
> 
> 
> 
> I wonder if someone can help me with a function I need for programming my robot.
> 
> I want to update an 2D occupancy grid based on sonar data. The sonar “view angle” is cone shaped. So I need to calculate all cells of a 30° slice of a filled circle.
> 
> Something like this: http://www.intechopen.com/source/html/37778/media/fig2.jpg
> 
> 
> 
> Using trigonometry is too expensive. I think something like Brenham’s circle algorithm would be a good candidate.
> 
> But I need it filled (that would be doable for me I think) and I don’t need the full circle but only a part of it.
> 
> 
> 
> I wonder if someone has a function like this lying around. If so I would be glad to not have to reinvent the wheel 
> 
> 
> 
> Thanks and cheers
> 
> Robert