<map id="G" name="G"> <area shape="rect" id="node3" href="$class_qwt_linear_scale_engine.html" title="A scale engine for linear scales." alt="" coords="5,83,157,112"/> <area shape="rect" id="node5" href="$class_qwt_log10_scale_engine.html" title="A scale engine for logarithmic (base 10) scales." alt="" coords="181,83,333,112"/> </map>