                         <span class="fl">0</span>, <span class="fl">0.2</span>, <span class="fl">0.4</span>, <span class="fl">0.9</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">0</span>, <span class="fl">1</span>), <span class="kw">.Dim</span> <span class="kw">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html">c</a></span>(<span class="fl">4L</span>, <span class="fl">4L</span>))

<span class="kw pkg">rgl</span><span class="kw ns">::<