@startuml
package Rim {

PdmObject <|-- RimViewWindow
package plots {
RimViewWindow <|-- RimGridCrossPlot
RimViewWindow <|-- RimSummaryPlot
RimRiuQwtPlotOwnerInterface <|-- RimGridCrossPlot
RimRiuQwtPlotOwnerInterface <|-- RimSummaryPlot
}

package Qwt {
QWidget <|-- QwtPlot
}

package RiuQwt
{
QwtPlot <|--- RiuQwtPlot
RiuQwtPlot <|--- RiuSummaryQwtPlot
RiuQwtPlot -r-> RimRiuQwtPlotOwnerInterface
}

RimSummaryPlot -r-> RiuSummaryQwtPlot
RimGridCrossPlot -r-> RiuQwtPlot
@enduml