I would like to plot points in 3D and then be able to rotate the plot in real time in order to understand the distribution of the points using the visual parallax that results from the rotation. The R-package scatterplot3d will plot in 3D, but I've not found a way to rotate the results in real time. (It also does not seem to get the projection from 3D to a viewing plane right.) The R-package rgl seems to support real-time 3D rendering using OpenGL, but it appears to be lower-level than I'm looking for (i.e., it provide graphics primitives, but not a plotting function that would take care of axis labels, etc.) Any help would be appreciated. Thanks. -Ben
looking for 3D plotting with real-time rotation
2 messages · Wittner, Ben, John Fox
Dear Ben, The scatter3d() function in the Rcmdr package uses rgl to plot rotatable point clouds and regression surfaces. The function is usable with or without the Rcmdr GUI. You'll find an illustrative plot at <http://socserv.socsci.mcmaster.ca/jfox/Courses/S-course/index.html>. I hope this helps, John On Tue, 1 Mar 2005 16:48:47 -0500
"Wittner, Ben" <Wittner.Ben at mgh.harvard.edu> wrote:
I would like to plot points in 3D and then be able to rotate the plot in real time in order to understand the distribution of the points using the visual parallax that results from the rotation. The R-package scatterplot3d will plot in 3D, but I've not found a way to rotate the results in real time. (It also does not seem to get the projection from 3D to a viewing plane right.) The R-package rgl seems to support real-time 3D rendering using OpenGL, but it appears to be lower-level than I'm looking for (i.e., it provide graphics primitives, but not a plotting function that would take care of axis labels, etc.) Any help would be appreciated. Thanks. -Ben
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-------------------------------- John Fox Department of Sociology McMaster University Hamilton, Ontario, Canada http://socserv.mcmaster.ca/jfox/