docs: def pointAt(self, **axis_values):
          """
          Returns the point on the chart where the inputed values are located.
          
          :return     <QPointF>
          """
          scene_point = self.renderer().pointAt(self.axes(), axis_values)
          chart_point = self.uiChartVIEW.mapFromScene(scene_point)
          return self.uiChartVIEW.mapToParent(chart_point)