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MathGroup Archive 2007

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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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