MathGroup Archive 2007

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Crinkled Hyperbola (ContourPlot in Manipulate)


Bruce Colletti schrieb:
> Re Mathematica 6.0 under WinXP.
>
> As the slider moves, a point glides along the hyperbola:  
>
> Manipulate[ContourPlot[x^2-y^2==1,{x,-3,3},{y,-3,3},Epilog->{
> PointSize at 0.02,Point@{Cosh@h,Sinh@h}}],
> {h,-1.5,1.5}]
>
> However, the moving point crinkles the plot, which restores itself when the mouse button is released.
>
> What causes the crinkling (this seems tied to ContourPlot, since no crinkling occurs when I use Plot[Sqrt[x^2-1],...])?
>
> Thankx.
>
> Bruce
>

If you increase the number of PlotPoints e.g. PlotPoints->50 there
is no more crinkling.

Gruss Peter
-- 
==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


  • Prev by Date: Re: Re: FFT of the piecewise step function
  • Next by Date: Re: Indefinate integrals, erroneus Natural log?
  • Previous by thread: Re: Crinkled Hyperbola (ContourPlot in Manipulate)
  • Next by thread: Mathematica 6 and normal distribution?