r - Include rgl interactive plot in .Rnw (pdf output) -


description of problem

i'd include interactive (rotating) rgl 3-d scatterplot in .pdf knitted .rnw file. know there hook including rgl maybe html output only. can't seem include plot rotates. here minimal example. plot appears there lines rather points , no rotation available.

question(s)

  1. is including interactive rgl in pdf possible?
  2. if so...how can knitr?; doing incorrectly?

mwe

\documentclass{article}  \begin{document}  <<setup, include=false, cache=false>>= library(knitr) library(rgl)  knit_hooks$set(rgl = hook_rgl) @  <<fancy-rgl, rgl=true>>= x <- sort(rnorm(1000)) y <- rnorm(1000) z <- rnorm(1000) + atan2(x,y) # open3d() plot3d(x, y, z, col = 'black') @   \end{document}

what see in pdf:

enter image description here

it's possible, barely. need install asymptote, , use rgl::writeasy() write program it. include program in document, run latex, asymptote, latex again.

there examples of including asymptote in latex here: http://asymptote.sourceforge.net/doc/latex-usage.html#latex-usage.

the results kind of disappointing.

my advice abandon pdf. html5 better target output; rgl quite job (using rglwidget()) producing output web pages. it's unlikely effort put improving pdf output, whereas fixing remaining gaps in html support priority.


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