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Re: Manipulate Issue - resend with code

  • To: mathgroup at smc.vnet.net
  • Subject: [mg99639] Re: Manipulate Issue - resend with code
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Sun, 10 May 2009 05:14:25 -0400 (EDT)
  • References: <gu3arm$t7i$1@smc.vnet.net>

Hi Kevin,

Just add the option PerformanceGoal -> "Quality" to the ContourPlot.
Note that this may make the dragging action of the slider a less
interactive experience.

Cheers -- Sjoerd

On May 9, 9:20 am, "Kevin J. McCann" <k... at KevinMcCann.com> wrote:
> Below is the "Neat Example" from the Manipulate Help. My issue is that
> when one of the charges is dragged around, the contour plot is really
> crummy, i.e. very low res, until you take your finger off the mouse.
> Similarly when the manipulate is allowed to run movie-style. Any ideas
> about how to get this to "look nice"?
>
> Thanks,
>
> Kevin
>
> Manipulate[
>   ContourPlot[
>    q1/Norm[{x, y} - p[[1]]] + q2/Norm[{x, y} - p[[2]]], {x, -2,
>     2}, {y, -2, 2}, Contours -> 10], {{q1, -1}, -3, 3}, {{q2, 1}, -3,
>    3}, {{p, {{-1, 0}, {1, 0}}}, {-1, -1}, {1, 1}, Locator},
>   Deployed -> True]



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