Re: Re: Re: Extracting contour values from ContourPlot

*To*: mathgroup at smc.vnet.net*Subject*: [mg100848] Re: [mg100834] Re: [mg100808] Re: Extracting contour values from ContourPlot*From*: Curtis Osterhoudt <cfo at lanl.gov>*Date*: Tue, 16 Jun 2009 21:50:47 -0400 (EDT)*Organization*: LANL*References*: <h12gg4$ect$1@smc.vnet.net> <200906150119.VAA11428@smc.vnet.net> <200906150938.FAA24149@smc.vnet.net>*Reply-to*: cfo at lanl.gov

Yup. Shows up here, too (7.0.0 on a linux system). It can be somewhat remediated by explicitly giving a relatively large (and odd) number of PlotPoints, like PlotPoints->99. The hole in the middle will be filled in--mostly. On Monday 15 June 2009 03:38:25 am Syd Geraghty wrote: > Hi, > > After trying for a while to get the contour line 1 to be shown for > 0<x<~0.5 and 0<y<-0.5 with > > ContourPlot[Cos[x*y], {x, -Pi, Pi}, {y, -Pi, Pi}] > > It appears ContourPlot has a bug. > > (The displayed contour line 1 is not symmetric in the vicinity of x=0, > y=0) > > I wonder if its my system or others noticed this. > > I am sending it to Mathematica Bugs for them to confirm. > > Cheers ... Syd > > > Syd Geraghty B.Sc, M.Sc. > > sydgeraghty at mac.com > > Mathematica 7.0.1 for Mac OS X x86 (64 - bit) (18th February 2009) > MacOS X V 10.5.6 > MacBook Pro 2.33 GHz Intel Core 2 Duo 2GB RAM > > > > On Jun 14, 2009, at 6:19 PM, Jens-Peer Kuska wrote: > > > Hi, > > > > plt = ContourPlot[Cos[x*y], {x, -Pi, Pi}, {y, -Pi, Pi}]; > > > > and > > > > Cases[plt, _Tooltip, Infinity] /. Tooltip[_, lbl_] :> lbl > > > > ? > > > > Regards > > Jens > > > -- ================================== Curtis Osterhoudt cfo at remove_this.lanl.and_this.gov PGP Key ID: 0x4DCA2A10 ==================================

**References**:**Re: Extracting contour values from ContourPlot***From:*Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>

**Re: Re: Extracting contour values from ContourPlot***From:*Syd Geraghty <sydgeraghty@me.com>