<area shape="rect" href="$class_qwt_data.html" title="QwtData defines an interface to any type of curve data." alt="" coords="7,55,82,79">
<area shape="rect" href="$class_qwt_array_data.html" title="Data class containing two QwtArray&lt;double&gt; objects." alt="" coords="142,7,248,31">
<area shape="rect" href="$class_qwt_c_pointer_data.html" title="Data class containing two pointers to memory blocks of doubles." alt="" coords="132,55,258,79">
<area shape="rect" href="$class_qwt_polygon_f_data.html" title="Data class containing a single QwtArray&lt;QwtDoublePoint&gt; object." alt="" coords="130,103,260,127">
