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MathGroup Archive 1999

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Re: RE: Transparent plot color?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg19654] Re: [mg19630] RE: [mg19600] Transparent plot color?
  • From: "David Park" <djmp at earthlink.net>
  • Date: Tue, 7 Sep 1999 00:28:44 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

>MM at chi_town.chinalake.navy.mil  wrote:
>---------------------------------------
>I use Plot3D[ ] to plot 2 surfaces together,
>one mostly obscuring the other.
>I would like to set the front-most plot's
>DefaultColor to "Transparent", so I could
>see its grid lines, but see the other plot
>behind it.
>
>I haven't seen any way to do this.
>Is it possible?
>
>p.s. Even better would be to be able to set
>it to a translucent color.
>

Ted Ersek replied:
>------------------------------------------
>
>A demonstration of how to simulate transparent colored graphics is given at
>http://support.wolfram.com/Graphics/ThreeD/Transparency.html
>
>
>Also the following will make a graphics using a transparent wire mesh.
>
>
>gr1=Plot3D[Sin[x y],{x,0,Pi},{y,0,Pi},
>     HiddenSurface->False];
>
>However, I can't get the transparent wire mesh to work when I try to show
>the graph above and another graphic made with Plot3D.  Any ideas on how to
>get that working?
>
>--------------------------
>Regards,
>Ted Ersek
>
>For Mathematica tips, tricks see
>http://www.dot.net.au/~elisha/ersek/Tricks.html
>
>

There is a routine called WireFrame in the package Graphics`Shapes` which allows one
to turn surfaces into transparent wireframes. However, it is a little tricky to use
in general. My DrawingCube packages, available at my web site greatly facilitate the
application of WireFrame and the other routines in Shapes in making 3D surface plots.

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/



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