="keyword">end</span>
0154     <span class="comment">%data=fix(data/(nn+ippresent));</span>
0155     XX=DATA(1,:)';
0156     EL=DATA(2,:)';
0157     N.r=DATA(nn,:)';
0158     <span class="keyword">if</span> ippresent, N.ip=DATA(nn+1,:)'; <span class="keyword">end</span>
0159     <span class="keyword">if</span> nn==4, <span class="comment">% 4-column-data (DD,PD,SL)</span>
0160         SP=round(DATA(3,:)*1200)'/1200; <span class="comment">% thirds etc.</span>
0161     <span class="keyword">end</span>
0162 <s