><a href="sim_data.html">get_sim_zones_features</a></span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># build minimal conservation problem with raster data</span></span></span>
<span class="r-in"><span><span class="va">p1</span> <span class="op">&lt;-</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="problem.html">problem</a></span><span class="op">(</span><span class="va">sim_pu_ra