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Re: Epilog/Prolog and Show Question

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  • Subject: [mg128154] Re: Epilog/Prolog and Show Question
  • From: "djmpark" <djmpark at comcast.net>
  • Date: Wed, 19 Sep 2012 04:58:19 -0400 (EDT)
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Dan,

It has to do with the strange way that Show combines Options from the
various plots. Put all of the Epilog material in a single Epilog in the Show
statement. Essentially, that Epilog preempts any of the Plot Epilogs.

bb = Plot[Sin[x], {x, 0, 30}] 
Show[bb, Epilog -> {Inset[Graphics[Disk[{.4, .4}]], Scaled[{.2, .2}]],
    Inset[Graphics[Circle[]]]}] 

I'm not certain what your objective is with the graphics, but it could be
done much more simply and intuitively with the Presentations Application.

<<Presentations` 

Draw2D[
 {Draw[Sin[x], {x, 0, 30}],
  Inset[Graphics[Disk[{.4, .4}]], Scaled[{.2, .2}]], 
  Inset[Graphics[Circle[]]]},
 AspectRatio -> 1/GoldenRatio,
 Frame -> True] 

Or even more simply without Inset:

Draw2D[
 {Draw[Sin[x], {x, 0, 30}],
  Circle[{5 \[Pi], 0}, Offset[70]],
  Disk[Scaled[{0.2, 0.2}], Offset[70]]},
 AspectRatio -> 1/GoldenRatio,
 Frame -> True]


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


From: Dan O'Brien [mailto:danobrie at gmail.com] 


Can someone explain why Show drops the original Inset Circle[]?  And how I
could make it not forget?

aa = Plot[Sin[x], {x, 0, 30}, Epilog -> Inset[Graphics[Circle[]]]] Show[aa,
Epilog -> Inset[Graphics[Disk[{.4, .4}]], Scaled[{.2, .2}]]]

bb = Plot[Sin[x], {x, 0, 30}, Epilog -> Inset[Graphics[Circle[]]]] Show[bb,
Epilog -> Inset[Graphics[Disk[{.4, .4}]], Scaled[{.2, .2}]]]




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