2006/5/26, Michael <[EMAIL PROTECTED]>: > > On 5/26/06, Uwe Ligges <[EMAIL PROTECTED]> wrote: > > > > Michael wrote: > > > > > Hi all, > > > > > > I have a 2D matrix, which has 100 rows, and 100 columns, > > > > > > I have a 2D matrix, with 100 rows and 100 columns, > > > > > > I want to display it using 3D plot, much like plot3d and mesh/surf > > functions > > > in matlab. > > > > > > Specifically, in matlab, I just need to do the following: > > > > > > -------- > > > [X, Y]=meshgrid([0:0.01:0.99, 0:0.01:0.99]); > > > % Z is my 2D matrix, > > > surf(X, Y, Z); > > > -------- > > > > > > Note that X and Y are created so that I can associate physical meaning > > onto > > > the x and y axis of the 3D plot. > > > > > > For example, my 100 rows represent 0, 0.01, 0.02, ... 0.99 here. > > > > > > In Matlab I can also drag in the graphic window and see from different > > > visual angle and perspective of the 3D plot... > > > > > > Are there similar functions in R that (1) show 3D plot; (2) let me > > > manipulate view angles easily? > > > > (1) See ?persp > > > > (1) *and* (2): See package "rgl". > > > > Uwe Ligges > > > > > > > > Thanks a lot, > > But a glance at "rgl" seems requireing "shape", etc... and very > complicated... > > Any easier approaches? > > "persp" does not allow me to use mouse to rotate.... > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html >
Have you seen the example in 'rgl' man page? It seems sufficient something like: rgl.surface(x,y,z) In that example, is also showed how to colorize the surface. Antonio. [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html