CGAL users discussion list

[tcscott <>]

Dear All

Thanks for the feedback and clarification so far.

I am trying other examples in CGAL.  I tried Min_circle_2

I would get an executible a.out from:

g++ -L/opt/local/lib -lcgal -I/opt/local/include/ -lgmp -lmpfr
-L/opt/local/lib/ -lboost_thread-mt min_circle_2.cpp 


Output:

CGAL::Min_circle_2( |P| = 100, |S| = 2
  P = {
    PointC2(98, 0),
    PointC2(-99, 0),
    PointC2(94, 0),
    PointC2(92, 0),
    PointC2(90, 0),
    PointC2(-89, 0),
    PointC2(64, 0),
    PointC2(-85, 0),

      .
      .
      .    

    PointC2(80, 0),
    PointC2(96, 0),
    PointC2(24, 0),
    PointC2(-83, 0),
    PointC2(-73, 0),
    }
  S = {
    PointC2(98, 0),
    PointC2(-99, 0),
    }
  circle = CGAL::Optimisation_circle_2( PointC2(-0.5, 0), 9702.25)
)

===

I would get a similar result from Min_ellipse_2

Question is: how to visualize the results? 

My earlier and very first result with Convex_Hull could be done in 
gnuplot because the output were x-y pairs but these  are CGAL data
structures.

I found mention of the Qt Graphics View Framework:

http://doc.cgal.org/Manual/3.4/doc_html/cgal_manual/GraphicsView/Chapter_main.html

but I need a concrete example. 

If I need additional software, what do I need to install?

What is the simplest way to visualize these results?

best wishes

Tony




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