Re: ContourPlot problem
- To: mathgroup at smc.vnet.net
- Subject: [mg15531] Re: ContourPlot problem
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Mon, 18 Jan 1999 23:47:30 -0500
- Organization: University of Western Australia
- References: <77uukf$kb8@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Pedro A Santos wrote:
> When I give the command
>
> ContourPlot[(1-Exp[-1/((x)^2+(y)^2)/10]),{x,-1.0,1.0},{y,-1.0,1.0},
> PlotPoints ->{50,50},
> Contours -> {.1,.2,.3,.4,.5,.6,.7,.8,.9,.99, .99999999},
> ContourShading ->False]
>
> I get what would be to expect, i.e. all the contours. But if I change
> slightly the domain,
> say "{x,-1.1,1.1},{y,-1.1,1.1}", the majority of the contours
> disappear. And they do not appear even if I increase PlotPoints to 200> or more.
>
> Does anybody know the reason of this strange behaviour? And how to
> avoid it?
Mathematica automatically choses the PlotRange. If you set
PlotRange->All you will see all the contours in both cases.
Cheers,
Paul
____________________________________________________________________
Paul Abbott Phone: +61-8-9380-2734
Department of Physics Fax: +61-8-9380-1014
The University of Western Australia Nedlands WA 6907
mailto:paul at physics.uwa.edu.au AUSTRALIA
http://www.physics.uwa.edu.au/~paul
God IS a weakly left-handed dice player
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