MathGroup Archive 2006

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Plot Truncation in RealTime3D


a) How to make ParametricPlot3D to plot in the required PlotRange for
top half surface only?
b) How to omit/hide circumferential circles or parameter lines of al
in Show[pos,neg] ?  TIA

<<RealTime3D`
pos=ParametricPlot3D[ {Cosh[th] Cos[th+al], th, Cosh[th]Sin[th+al]},
{th,-1.2, 1.2 }, {al,0, 2 Pi} ,PlotRange-> { { -2,2},{2,0},{0,2} } ];
neg=ParametricPlot3D[ {Cosh[th] Cos[th+al], th, -Cosh[th]Sin[th+al]},
{th,-1.2, 1.2 }, {al,0, 2 Pi} ,PlotRange-> { { -2,2},{2,0},{0,2} } ];
Show[pos,neg] ;
<<Default3D`


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