+ PointType m_StartPoint; // start point in physical world
+ IndexType m_StartSourceIndex; // start index in "source" image
+ IndexType m_StartDestIndex; // start index in "destination" image
+
+ PointType m_StopPoint; // stop point in physical world
+ IndexType m_StopSourceIndex; // stop index in "source" image
+ IndexType m_StopDestIndex; // stop index in "destination" image
+