Displaying 2 results from an estimated 2 matches for "select3d".
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select'd
2012 Dec 07
1
points3d and ordirgl
Hello all, I have been using the function ordirgl to plot 3D dynamic
ordinations. The ordirgl function works just fine. IN fact, I was even
able to write a function that allows me to identify points in the 3D plot:
identify.rgl<-function(env_var,ord,dim1,dim2,dim3)
{
tmp<-select3d(button="left")
tmp.keep<-tmp(ord[,dim1],ord[,dim2],ord[,dim3])
env_var[tmp.keep=="TRUE"]
}
where
env_var = a variable to be identified (e.g. plot IDs as in >
row.names(dataframe))
ord = ordination points or scores created using a function such as metaMDS
o...
2009 May 12
2
selecting points on 3D scatterplots
Hello Everyone,
I am new to R and need some help.
I have a matrix of x,y,z coordinates that I would like to
interactively plot in 3D and then using the cursor select points on
the plot and have the coordinates sent to a matrix. I am using the rgl
package to plot the data at the moment because it allows me to rotate
and zoom. I also tried cloud and scatterplot3D.
I am looking for a function like