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Re: Graphics package in v6

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78430] Re: [mg78406] Graphics package in v6
  • From: DrMajorBob <drmajorbob at bigfoot.com>
  • Date: Sun, 1 Jul 2007 07:46:51 -0400 (EDT)
  • References: <17102659.1183200117955.JavaMail.root@m35>
  • Reply-to: drmajorbob at bigfoot.com

I see no difference between these two charts:

ContourPlot[x^3*y + x*y^3 == 2, {x, -3, 3}, {y, -3, 3}, Axes -> True,
  Frame -> False]

and

<< "Graphics`"
ImplicitPlot[x^3*y + x*y^3 == 2, {x, -3, 3}, {y, -3, 3}]

(except for the error message)

Am I missing something?

Bobby

On Sat, 30 Jun 2007 05:12:22 -0500, Jaccard Florian  
<Florian.Jaccard at he-arc.ch> wrote:

> Dear group,
>
> I'm a convinced Mathematica user, I love the new features I discover in  
> v6, but I think the Graphics package was very useful in v5 and I'm  
> missing it.
>
> For example, it was very easy to obtain the 3D plot of a surface of  
> revolution around the x-axis with SurfaceOfRevolution.
>
> Let us take the revolution of y=x^2 around the x-axis :
>
> << "Graphics`"
> SurfaceOfRevolution[x^2, {x, 0, 2}, RevolutionAxis -> {1, 0, 0}]
>
> Not possible without cheating if using RevolutionPlot3D, isn't it=A0 ?
>
> Or you could have a nice plot of implicit functions, with the ticks on 
> the x- and y-axis, using ImplicitPlot...
>
> Example :
>
> << "Graphics`"
> ImplicitPlot[x^3*y + x*y^3 == 2, {x, -3, 3}, {y, -3, 3}]
>
> Not possible using CountourPlot without cheating, isn't it?
>
> (I consider the following as cheating :
> Show[Plot[0, {x, -3, 3}, PlotRange -> {-3, 3},
>   AspectRatio -> Automatic],
>    ContourPlot[x^3*y + x*y^3 == 2, {x, -3, 3}, {y, -3, 3},
>   Axes -> True,
>      AxesOrigin -> {0, 0}, PerformanceGoal -> "Quality",
>   PlotPoints -> 150]]
> )
>
> I tried: it still works in v6, but the whole package is declared  
> obsolete, and there is no help anymore available.
>
> Am I missing something? Or am I the only guy who would appreciate the 

> re-apparition of some lost features in the future v.6.1?
>
> Reactions welcome!
>
> Regards
>
> Florian Jaccard
>
>
>
>
>



-- 

DrMajorBob at bigfoot.com


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