## ----setup, include=FALSE----------------------------------------------------- # library(rgl) # #library(rglwidget) # setupKnitr() # knitr::opts_chunk$set(echo = TRUE, # fig.align = "center", # warning = FALSE, # webgl = TRUE, # fig.width = 8, # fig.height = 8, # fig.keep = "all", # fig.ext = "jpeg" # )