n(LONLIMS)));</tt></font><br>
  <font size="-1"><tt>ltlm=fix(diff(LATLIMS)/pin.Latitude_Step);</tt></font><br>
  <font size="-1"><tt>lglm=fix(diff(LONLIMS)/pin.Longitude_Step);</tt></font><br>
  <br>
  <font size="-1"><tt>% load the subset of data needed for the map
limits
given</tt></font><br>
  <font size="-1"><tt>P=hdfread('A20040972004104.L3m_8D_CHLO_4KM','l3m_data','Index',{[ilt
ilg],[],[ltlm lglm]});</tt></font><br>
  <br>
  <font size="-1"><tt>% Convert data into log(Chla) using the equations
given.
