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MathGroup Archive 2007

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Re: Epilog in ListLogPlot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg81449] Re: [mg81433] Epilog in ListLogPlot
  • From: Curtis Osterhoudt <cfo at lanl.gov>
  • Date: Sun, 23 Sep 2007 21:17:08 -0400 (EDT)
  • Organization: LANL
  • References: <200709230833.EAA02367@smc.vnet.net>
  • Reply-to: cfo at lanl.gov

On Sunday 23 September 2007 02:33:10 Bruce Colletti wrote:
> Re 6.0.1 under WinXP.
>
> Consider the code:
>
> X = {{2, 4}, {9, 5}, {12, 13}};
> ListPlot[X, Epilog -> {Red, Point@{4, 6}}]
> ListLogPlot[X, Epilog -> {Red, Point@{7, 7}}]
>
> Helptext says ListLogPlot has ListPlot's options.
>
> Unlike Plot #1, why doesn't the red dot appear in Plot #2?
>
> Thankx.
>
> Bruce

   You've probably figured this out (and your actual question still stands), 
but it appears that the {4,6} coordinates aren't adapted to the ListLogPlot 
scale. If you replace Point@{7,7} with Point@{7, Log[7]} then things will 
probably look as you want. 

    That won't ultimately answer anything, but it might provide a quick 
workaround. 

    Hope that helps, 
                C.O.


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