Re: Display of 3D contours in 2D

• To: mathgroup at smc.vnet.net
• Subject: [mg4309] Re: Display of 3D contours in 2D
• From: Xah Lee <xah at best.com>
• Date: Tue, 9 Jul 1996 00:48:15 -0400
• Organization: Best Internet Communications
• Sender: owner-wri-mathgroup at wolfram.com

```DR JOHN C ERB wrote:
>...
> If indeed the graphic is 2D contours displayed on 2 perpendicular
> planes, can anyone tell me how I can do this?

Replace your 2D points by 3D points. Example,

contour1 = First@ Graphics@ ContourPlot[ x y, {x,-1,1},{y,-1,1},
AspectRatio->Automatic,
];0;

contour2 = First@ Graphics@ ContourPlot[ x^2+y^2,
{x,-1,1}, {y,-1,1},
AspectRatio->Automatic,
PlotRange->All,
];0;

contour1 = contour1 /. {x_?AtomQ, y_?AtomQ} ->{x,0,y};
contour2 = contour2 /. {x_?AtomQ, y_?AtomQ} ->{0,x,y};

Show[
Graphics3D[{contour1, contour2}
]
];0;

Xah
xah at best.com; 74631.731 at compuserve.com
http://www.best.com/~xah/SpecialPlaneCurves_dir/specialPlaneCurves.html
Mountain View, CA, USA

==== [MESSAGE SEPARATOR] ====

```

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