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Re: Point is not a Graphics primitive?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg85194] Re: Point is not a Graphics primitive?
  • From: "David Park" <djmpark at comcast.net>
  • Date: Fri, 1 Feb 2008 02:17:59 -0500 (EST)
  • References: <fnrnkn$oim$1@smc.vnet.net>

With the Presentations package you would simply draw the surface, then draw 
the point, and add any other objects you might want.

Needs["Presentations`Master`"]

Draw3DItems[
 {Draw3D[Sin[x y], {x, -2, 2}, {y, -2, 2}],
  Red, AbsolutePointSize[7], Point[{0, 0, 0}]},
 Axes -> True]


-- 
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/


"Kevin J. McCann" <Kevin.McCann at umbc.edu> wrote in message 
news:fnrnkn$oim$1 at smc.vnet.net...
> The following gives me an error. I would have thought that Point was a
> Graphics primitive, but vers 6 says no. Any help would be appreciated.
> BTW a 2D equivalent works fine.
> Plot3D[Sin[x y], {x, -2, 2}, {y, -2, 2},
>  Epilog -> {Red, AbsolutePointSize[7], Point[{0, 0, 0}]}]
>
> Kevin
>
> -- 
>
> Kevin J. McCann
> Research Associate Professor
> JCET/Physics
> Physics Building
> University of Maryland, Baltimore County
> 1000 Hilltop Circle
> Baltimore, MD 21250
> 



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