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Re: Epilog doesn't work with loglinearplot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97121] Re: Epilog doesn't work with loglinearplot
  • From: "M.Roellig" <markus.roellig at googlemail.com>
  • Date: Fri, 6 Mar 2009 04:22:00 -0500 (EST)
  • References: <goo7b8$s8c$1@smc.vnet.net>

On 5 Mrz., 10:51, wiso <gtu2... at alice.it> wrote:
> I've have a problem with loglinearplot
>
> Plot[x, {x, 1, 10}, Epilog -> Line[{{4, 0}, {4, 10}}]]
>
> Ok, I see the line
>
> LogLinearPlot[x, {x, 1, 10}, Epilog -> Line[{{4, 0}, {4, 10}}]]
>
> why I don't see the line? Can someone suggest an alternative method to
> superimpose a line over a loglinearplot?

Hi,

I am also always struggling with manual positioning in any Log-Plot.
Problem is that Epilog doesn't know how LogLinearPlot rescales the Image-
Coordinates. Try:

LogLinearPlot[x, {x, 1, 10},
 Epilog -> Line[{{Log@4, 0}, {Log@4, 10}}]]


Cheers,

Markus


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