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Re: Extracting contour values from ContourPlot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg100852] Re: Extracting contour values from ContourPlot
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Tue, 16 Jun 2009 21:51:31 -0400 (EDT)
  • References: <h12gg4$ect$1@smc.vnet.net> <h13vp8$8pm$1@smc.vnet.net> <h154p1$nh2$1@smc.vnet.net>

Hi,

the OP was:

"But what I really want is not to have to do this, and rely
on the semi-intelligent mechanism of Mathematica to pick an appropriate 
number of contours and their values, THEN use those to draw the legend."

and using the Tooltip[] in hte contour plot is a way to get the
levels from the final plot.

Regards
   Jens


dg wrote:
> On Jun 14, 4:06 pm, Jens-Peer Kuska <ku... at informatik.uni-leipzig.de>
> wrote:
>> Hi,
>>
>> plt = ContourPlot[Cos[x*y], {x, -Pi, Pi}, {y, -Pi, Pi}];
>>
>> and
>>
>> Cases[plt, _Tooltip, Infinity] /. Tooltip[_, lbl_] :> lbl
>>
>> ?
>>
>> Regards
>>    Jens
>>
> 
> 
> Thanks, but this only put labels on the contours inside the plot.
> Perhaps I wasn't very clear. I know I can label the lines inside the
> plot. That's not what I want. I want a separate legend.
> 
> 
> 


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