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MathGroup Archive 2005

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Re: FilledPlot: Curves->Back option and Epilog not working?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg56886] Re: [mg56861] FilledPlot: Curves->Back option and Epilog not working?
  • From: Chris Chiasson <chris.chiasson at gmail.com>
  • Date: Mon, 9 May 2005 01:46:08 -0400 (EDT)
  • References: <200505080610.CAA02228@smc.vnet.net>
  • Reply-to: Chris Chiasson <chris.chiasson at gmail.com>
  • Sender: owner-wri-mathgroup at wolfram.com

If you collect (append them to some list, maybe called
"epilogcollection") all of your epilog statements as you go along, you
can probably use Show[plot1,plot2,Graphics[epilogollection]] to output
all of the epilogs on the last chart.

On 5/8/05, AES <siegman at stanford.edu> wrote:
> I have a module that makes a filled plot.  I use it to make two (or
> more) displaced filled plots, then Show these plots (code below).
> 
> Everything works as expected, with two problems:
> 
> *  The Curves->Back option never works.
> 
> *  An additional line generated by an Epilog in the module only appears
> in the final test plot.
> 
> I'm beginning to realize that when multiple plots each having an Epilog
> are combined using Show or DisplayTogether, only the *final* Epilog gets
> executed.  Throwing in "Evaluates" at various stages in the process
> doesn't seem to get around this.
> 
> If this is true, maybe the description of Epilog in the online Help
> should say this?  (Especially since it seems an intuitively *non*obvious
> way for Epilog to behave -- shouldn't the stuff created by Epilog in a
> Plot command become part of the plot once the plot command has been
> executed?)
> 
> I don't have a clue why Curves->Back doesn't work anywhere or any way
> I've tried it (including changing Front to Back in the online Help
> example).
> 
> wavePlot[<args>] := Module[{},
>       <expressions>,
>       FilledPlot[ <plot stuff> ,
>             Curves -> Back,
>             Epilog -> {Line[ <line stuff> ]},
>             DisplayFunction -> Identity]];
> 
> <set all the args>;
> 
> testPlot1 = wavePlot[ <args> ];
> 
> <reset all the args>;
> 
> testPlot2 = wavePlot[ <args> ];
> 
> Show[testPlot1, testPlot2,
>          DisplayFunction -> $DisplayFunction,
>          PlotRange -> All];
> 
> 


-- 
Chris Chiasson
http://chrischiasson.com/
1 (810) 265-3161


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