[R] 3D Plot

[Duncan Murdoch]

On 23/04/2010 8:51 AM, Ariane C. Böhm wrote:
> Hi guys of the R-Help-Team!<br /><br />First of all - you do a great job!<br
> />I've found a lot of your mails in the internet. So I thought it would be a
> good idea to ask you a question about R.<br /><br />R is new to me, so sorry,
> if the question is too simple :)<br /><br />I have a matrix.<br />I can make a
> 2D Heatmap of this matrix.<br /><br />My question:<br />Can I also make a 3D
> Heatmap of this matrix - so the third parameter should the value in the
> matrix.<br /><br />My first thought was :<br />> mat <- read.table(file
> = "AvgMatrix.mat")<br />> x <-as.matrix(mat)<br />> hv
> <- heatmap.2 (x, col=topo.colors, Colv = NA, Rowv = NA,
> main="AvgMatrix", xlab="Columns", ylab="Rows",
> key=TRUE, trace = "none")<br />But that is just a 2D heatmap.<br
> /><br />Thanks for your help<br /><br />Ariane<br /><br />
>   

If you can, please turn off the HTML formatting in your email:  it makes 
it quite hard to read.

I don't really know what you mean by a 3D heatmap:  can you point to any 
examples of such figures online?  You might be thinking of something 
like persp gives; try example(persp) (or example(persp3d) in the rgl 
package).

Duncan Murdoch
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