 data set</span></div>
<div class="line">    <span class="keyword">call </span>d1%set_line_color(clr_blue)</div>
<div class="line">    <span class="keyword">call </span>d1%set_line_width(2.0)</div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Add the data to the plot</span></div>
<div class="line">    <span class="keyword">call </span>plt%push(d1)</div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Let GNUPLOT draw the plot</span></div>
<div class="line">