On 3/16/12 12:20 PM, Niles Johnson wrote:
Hello all,

I just noticed that the 'fill' option of implicit_plot is broken.  The 
following example, from the reference manual [1], returns a plot which is 
entirely blue, rather than just filling the circle as the documentation claims.

sage:x,y  =  var('x,y')
sage:f(x,y)  =  x^2  +  y^2  -  2
sage:implicit_plot(f,  (-3,  3),  (-3,  3),fill=True)

If no one else has noticed this yet, I'll open a ticket.  Does anyone know what 
change to Sage would have caused this?  Incidentally, I guess this is a good 
example of what can go wrong by not somehow doctesting the output of graphics 
commands.


This is fixed in 5.0.beta6:

http://trac.sagemath.org/sage_trac/ticket/9744

Thanks,

Jason

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