On 5/12/2009 3:08 PM, Abby Drake wrote:
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 'locator' which is used to select
points on 2D scatterplots.
There's no locator3d, but select3d is somewhat similar.
You could write a locator3d function using the rgl.setMouseCallbacks,
rgl.user2window and rgl.window2user functions, if you can figure out how
to indicate depth with a mouse click. identify3d might be a little easier.
Duncan Murdoch
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