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<div class="textblock"><p>Retrieves a numeric value from a <a class="el" href="structfplot__core_1_1scatter__plot__data.html" title="A plot_data object for describing scatter plot data sets.">scatter_plot_data</a> object. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">this</td><td>The <a class="el" href="structfplot__core_1_1scatter__plot__data.html" title="A plot_data object for describing scatter plot data sets.">scatt