'Returns min/max x/y/z coordinate values of currently selected points.
:param area: Rectangular area.
:type QRect'

def get_min_max_selected(self, area):

    viewport = [0, 0, self.width(), self.height()]
    area = [min(area.left(), area.right()), min(area.top(), area.bottom()), abs(area.width()), abs(area.height())]
    min_max = orangeqt.Plot3D.get_min_max_selected(self, area, ((self.projection * self.view) * self.model), viewport, self.plot_scale, self.plot_translation)
    return min_max
