### - u -

- u1 : RtTriangleLocator
- uAspect : RtExportedPanelInfo
- ubase : RtHairStrandNode
- uFlags : RtConDesc
- ulSourceLine : RtLogEntry
- uOrgElementIndex : RtTriangleSelectionWeight , RtVertexSelectionWeight
- upvect : RtPhysImpulse
- uSelected : RtTriangleSelectionWeight
- usRes2D : RtNodeDesc , RtUIControlDesc , RtCmdDesc
- uV1_Color : RtEdgeVisualization
- uV2_Color : RtEdgeVisualization
- uV3_Color : RtEdgeVisualization