sci@gentoo.org Gentoo Science Project The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Besides a 2D plot widget it provides scales, sliders, dials, compasses, thermometers, wheels and knobs to control or display values, arrays or ranges of type double. Installs dev-qt/designer plugin. Use the MathML renderer of the Qt solutions package. Install the QwtPolar headers qwt SciDAVis/qwt5-qt5