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Re: Making parts of formulae blinking

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91212] Re: Making parts of formulae blinking
  • From: David Reiss <dbreiss at gmail.com>
  • Date: Sat, 9 Aug 2008 07:48:05 -0400 (EDT)
  • References: <g7h9r7$bca$1@smc.vnet.net>

Something like the following might be a start for what you are
wanting:

1 + Dynamic@Style[x, Refresh[Hue[Random[]], UpdateInterval -> 1]]

--David


On Aug 8, 7:14 am, Alexei Boulbitch <Alexei.Boulbi... at iee.lu> wrote:
> Dear MathGroup members,
>
> making presentations on Mathematics or Physics, sometimes I need to
> discuss independently of one another certain parts of mathematical
> expressions belonging to the same formula. This requires to separate
> them out or somehow to highlight them. Such an aim may be achieved in
> several ways. Say, below  a simple mathematical formula is defined. It
> consists of two parts. By a mouse click one of the parts is blended
> while the other changes its color to a more striking:
>
> part1 = Graphics[
>    Text[Style["AB+", "Times New Roman", Italic, 22,
>      FontColor -> Dynamic[col1]]], ImageSize -> {80, 70}];
> part2 = Graphics[
>    Text[Style["xy", "Times New Roman", Italic, 22,
>      FontColor -> Dynamic[col2]]], ImageSize -> {80, 70}];
> collst1 = {Black, Black};
> collst2 = {Blue, Gray};
> collst3 = {Gray, Blue};
> DynamicModule[{col1 = Black, col2 = Black},
>   EventHandler[
>    GraphicsRow[{part1, part2},
>     Spacings -> -35], {"MouseClicked" :> ({col1,
>         col2} = {col1, col2} /.{collst3 -> collst1,
>          collst1 -> collst2, collst2 -> collst3})}]]
>
> Now comes my question:
>
> It would still better catch the eye, if (before the part in question
> will definitely change its color to Blue) it blinks few times. Say, it
> may change few times its color between blue and gray, or it may  
> increase and decrease its size few times or so.
>
> Have you an idea of how to reach such a result?
>
> My system is Windows XP/Mathematica 6.0.1
>
> Thank you,
> Alexei
>
> --
> Alexei Boulbitch, Dr., Habil.
> Senior Scientist
>
> IEE S.A.
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> 11, rue Edmond Reuter
> L-5326 Contern
> Luxembourg
>
> Phone: +352 2454 2566
> Fax:   +352 2454 3566
>
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>
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