       Re: vertical plane in plot3D

• To: mathgroup at smc.vnet.net
• Subject: [mg113161] Re: vertical plane in plot3D
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Sat, 16 Oct 2010 13:10:14 -0400 (EDT)
• Reply-to: hanlonr at cox.net

f[x_, y_] := Sin[2 + Pi*(x/50 + (y/50)^2)]

Show[{Plot3D[f[x, y],
{x, 0, 100}, {y, 0, 100}],
ContourPlot3D[x == 80,
{x, 0, 100}, {y, 0, 100}, {z, -2, 2}]},
PlotRange -> All]

Show[{Plot3D[f[x, y],
{x, 0, 100}, {y, 0, 100}],
ContourPlot3D[x == y,
{x, 0, 100}, {y, 0, 100}, {z, -2, 2}]},
PlotRange -> All]

Show[{Plot3D[f[x, y],
{x, 0, 100}, {y, 0, 100}],
ContourPlot3D[{x == 80, y == 50},
{x, 0, 100}, {y, 0, 100}, {z, -2, 2}]},
PlotRange -> All]

Bob Hanlon

---- Greg Colbourn <gcolbourn at hotmail.com> wrote:

=============
Hi,
Sorry for the basic question. But I'm having trouble plotting a vertical pl=
ane in Plot3D. I've got a surface graph, but I want to overlay an transpa=
rent plane at a set value on the x axis. So, I want to plot x=80 for al=
l y and z.
Plot3D[x = 80, {x, 0, 100}, {y, 0, 100}]
just gives me z=80 for all x and y (i.e. a horizontal plane)
Cheers,Greg 		 	   		  =

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