       Re: Plot3D and ContourPlot problem

• To: mathgroup at smc.vnet.net
• Subject: [mg73093] Re: Plot3D and ContourPlot problem
• From: dh <dh at metrohm.ch>
• Date: Thu, 1 Feb 2007 04:44:12 -0500 (EST)
• References: <epnae6\$d8e\$1@smc.vnet.net>

```
Hi Josef,

try e.g.:

f[x_, y_] := Exp[-(x^2 + y^2)]

ShadowPlot3D[f[x, y], {x, -2, 2}, {y, -2, 2}, HiddenSurface ->False,

Boxed -> True, PlotPoints -> 15, Lighting -> False, ViewPoint ->{-2.801,

-1.785, 0.647}]

Note that the options Lighting -> False is needed, contrary to the manual.

Daniel

Josef Otta wrote:

> Hi,

> i want to combine Plot3D and ContourPlot. Do You have any idea how to do

> that?

> I need to have for example picture with plotted function f[x,y] and on the

> x-y plane shown its contours

>

> f[x_, y_] := Exp[-(x^2 + y^2)]

>

> a = Plot3D[f[x, y], {x, -2, 2}, {y, -2, 2}, HiddenSurface ->

>     False, Shading -> False, Boxed -> True, PlotPoints -> 15]

> b = ContourPlot[f[x, y], {x, -2, 2}, {y, -2, 2}, PlotPoints -> 30]

>

> Any ideas how to do something like "Show[a,b]"?

>

> Thanks,

> Josef

>

```

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