n class="r-in"><span><span class="fu">assign_to_grid</span><span class="op">(</span><span class="va">points_xyt</span>, grid_definition <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/attr.html" class="external-link">attr</a></span><span class="op">(</span><span class="va">cells</span>, <span class="st">"grid_definition"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;"># A ti