n class="n">pfx</span><span class="p">,</span><span class="s">&#39;spots.mser&#39;</span><span class="p">)</span> <span class="p">;</span>
<span class="n">p_frm</span> <span class="p">=</span> <span class="n">fullfile</span><span class="p">(</span><span class="n">pfx</span><span class="p">,</span><span class="s">&#39;spots.frame&#39;</span><span class="p">)</span> <span class="p">;</span>
<span class="n">p_tmp</span> <span class="p">=</span> <span class="n">fullfile</span><span class="p">(</span><span class