ss="fu">trunc10shp</span><span class="op">(</span><span class="va">x</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">merge_extents</span><span class="op">(</span><span class="va">layer1</span>, <span class="va">layer2</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">check.extents</span><span class="op">(</span></span>
<span>  <span class="va">bbox1</span>,</span>
<span>  <span class="va">bbox2</span>,</span>
<span>  showext <span class="op">=</span> <sp