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Re: image from graphics3d - rid black line

  • To: mathgroup at smc.vnet.net
  • Subject: [mg102770] Re: [mg102769] image from graphics3d - rid black line
  • From: Thomas Dowling <thomasgdowling at gmail.com>
  • Date: Thu, 27 Aug 2009 06:31:23 -0400 (EDT)
  • References: <200908261158.HAA12069@smc.vnet.net>

Hello,

One possibility is to use the option BoundaryStyle -> None

For example:


my3d = Plot3D[Exp[-x^2 - y^2]/2, {x, -2, 2}, {y, -2, 2},
  PlotRange -> {0, 1},
  ColorFunction -> Function[{x, y, z}, GrayLevel[(1 + Cos[50 z])/2]],
  ColorFunctionScaling -> False, PlotPoints -> 100, Mesh -> False,
  Lighting -> {{"Ambient", White}}, Boxed -> False, Axes -> False,
  BoundaryStyle -> None]

Nice plot!

Good luck,

Tom Dowling

On Wed, Aug 26, 2009 at 12:58 PM, van der Burgt, Maarten <
Maarten.VanDerBurgt at icos.be> wrote:

>
> Hello,
>
> For testing certain image processing methods I want to convert a
> Graphics3D object as generated by
>
>
>
> my3d = Plot3D[Exp[-x^2 - y^2]/2, {x, -2, 2}, {y, -2, 2},
>
>  PlotRange -> {0, 1},
>
>  ColorFunction -> Function[{x, y, z}, GrayLevel[(1 + Cos[50 z])/2]],
>
>  ColorFunctionScaling -> False, PlotPoints -> 100, Mesh -> False,
>
>  Lighting -> {{"Ambient", White}}, Boxed -> False, Axes -> False]
>
>
>
> to a raster image. But the black line around the graphics forms a
> discontinuity in the image greyvalues I want to avoid. Setting the
> options Mesh -> False,  Boxed -> False, Axes -> False do not help me.
>
> Digging deep into the  structure of my3d I worked out the following does
> the job:
>
>
>
> my3d /. {x___, Line[___], y___} -> {x, y}
>
>
>
> But I would think there must be an easier, more transparent,  way to
> achieve this.
>
> Anyone any ideas?
>
>
>
> Thanks for your help.
>
>
>
>
>
> Maarten van der Burgt
>
> Icos Vision Systems - KLA-Tencor
>
> Leuven, Belgium
>



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