an class="cn">FALSE</span>,</span>
<span>  layer1nm <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  layer2nm <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  stopifnotin <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  quiet <span class="op">=</span> <span class="cn">FALSE</span></span>
<span><span class="op">)</span></span>
<span></span>
<span><span class="fu">getprjatt</span><span class="op">(</span><span class="va">prj4str</span>, <span 