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ContourPlot3D Problem
*To*: mathgroup at smc.vnet.net
*Subject*: [mg75171] ContourPlot3D Problem
*From*: dennis <dwangsness at earthlink.net>
*Date*: Thu, 19 Apr 2007 04:33:04 -0400 (EDT)
I am trying to plot a cone with a spherical cap. The code I am using
is shown below.
=CE=B8 = 10.*Degree;
sMax = 10;
a = {1., 1., 1}/Sqrt[3.];
{x0, y0, z0} = sMax*(1 + Tan[=CE=B8]^2)*a;
rCirc = sMax*(Tan[=CE=B8]/Cos[=CE=B8]);
g1 = ContourPlot3D[
If[{x, y, z} . a <= sMax, {x, y, z} . a -
Sqrt[x^2 + y^2 + z^2]*Cos[=CE=B8], (x - x0)^2 + (y - y0)^2 + (z -
z0)^2 -
rCirc^2], {x, 0, 10}, {y, 0, 10}, {z, 0, 10}, PlotPoints -> {8,
6},
ViewPoint -> {2.651, -2.103, -0.026}, PlotRange ->
{{0, 12}, {0, 12}, {0, 10}}];
This produces the cone with a spherical cap, but it also produces a
plane perpendicular to the cone axis at the junction of the cone and
sphere. How can I get the cone-sphere without the plane?
Thanks,
Dennis
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