
Sorry, I guess I didn't make it clear.  I mentioned it in the subject of my
post, but not in the body.  Is it possible to have a filled contour plot
(showing the colors) with the isolines labeled?



On Wed, Nov 24, 2010 at 5:35 AM, David Winsemius [via R] <
ml-node+3057276-1726133352-203184@n4.nabble.com<ml-node%2B3057276-1726133352-203184@n4.nabble.com>
> wrote:

>
> On Nov 24, 2010, at 1:48 AM, Jon Tang wrote:
>
> > Thanks for your reply.  My data is a 2D matrix of values:
> >
> >      A0.1 A0.2 A0.3 A0.4 A0.5 A0.6 A0.7 A0.8 A0.9 A1.0
> > P0.1 0.00 0.07 0.07 0.07 0.15 0.11 0.28 0.32 0.62 0.94
> > P0.2 0.01 0.00 0.04 0.05 0.04 0.04 0.07 0.13 0.32 0.69
> > P0.3 0.01 0.00 0.00 0.02 0.00 0.04 0.02 0.05 0.08 0.50
> > P0.4 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.01 0.06 0.31
> > P0.5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14
> >
>
> I was wrong about the name of lattice function that would do that
> (although it is on  ont the same help page.) It's contourplot rather
> than levelplot. Assume you read this in and the data.frame name is df:
>
> require(lattice)
> contourplot(as.matrix(df))
>
> I have failed at getting more labels in the region where teh values
> are higher. Here is one of my efforts:
>
> contourplot(as.matrix(df[, 1:10]), at=c(0.1,0.2,0.3, 0.6, 0.9),
> label.style="align")
>
>
> --
> David.
>
> >
> >
> > On Tue, Nov 23, 2010 at 6:46 PM, David Winsemius <[hidden email]<http://user/SendEmail.jtp?type=node&node=3057276&i=0>
> > > wrote:
> >
> > On Nov 23, 2010, at 6:25 PM, jt306 wrote:
> >
> >
> > Is it possible to create a contour plot with the isolines labeled.
> > I know
> > you can do this with Matlab.  Argh!
> >
> > It is fairly straightforward with lattice::levelplot. Provide some
> > sample data.
> >
> >
> > I tried creating a filled contour plot, then using par(new=T),
> > followed by
> > overlaying the contour plot on top.  However, the placement of the
> > filled
> > contour plot and the contour plot do not align correctly. Any
> > suggestions
> > would be appreciated.
> >
> > Thanks,
> > Jon
> >
> > --
> >
> > David Winsemius, MD
> > West Hartford, CT
> >
> >
>
> David Winsemius, MD
> West Hartford, CT
>
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