#9076: plot Arc of circle and ellipse
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   Reporter:  vdelecroix           |       Owner:  vdelecroix                
       Type:  defect               |      Status:  needs_review              
   Priority:  major                |   Milestone:  sage-4.4.4                
  Component:  graphics             |    Keywords:  plot, arc, ellipse, circle
     Author:  Vincent Delecroix    |    Upstream:  N/A                       
   Reviewer:  Karl-Dieter Crisman  |      Merged:                            
Work_issues:                       |  
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Comment(by vdelecroix):

 I get two problems in arc/ellipse:

    * there is an uncompatiblity of option names between disk and
 arc/ellipse. The function disk uses '''angle''' as the angle of the sector
 to draw as arc/ellipse uses angle but arc uses '''sector'''. Moreover the
 word '''angle''' is reserved for the angle between the horizontal and the
 angle of the first axis

     * I did not find any function that allows to make some calculus modulo
 2pi. I created a dummy function mod2pi that does the reduction.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9076#comment:10>
Sage <http://www.sagemath.org>
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