Here is a list of all documented variables with links to the class documentation for each member:

### - o -

- oA : SoCalculator
- oa : SoCalculator
- oB : SoCalculator
- ob : SoCalculator
- objectCenter : SoComputeBoundingBox
- oC : SoCalculator
- oc : SoCalculator
- oD : SoCalculator
- od : SoCalculator
- off : SoOnOff
- offset : SoVRMLCylinderSensor, SoVRMLPlaneSensor, SoVRMLSphereSensor
- offsetfactor : SoPolygonOffsetElement
- offsetunits : SoPolygonOffsetElement
- oldTopSep : SoInteractionKit
- on : SoBlinker, SoClipPlane, SoElapsedTime, SoLight, SoOnOff, SoPendulum, SoPolygonOffset, SoRotor, SoShuttle, SoTimeCounter, SoVRMLLight
- onFieldSensor : SoClipPlaneManip
- operation : SoBoolOperation
- orderedRGBA : SoPackedColor, SoVertexProperty
- orientation : SoCamera, SoListener, SoListenerOrientationElement, SoVRMLViewpoint
- orientation_changed : SoVRMLProximitySensor
- orientToEye : SbCylinderProjector, SbPlaneProjector, SbSphereProjector
- origin : SoArray, SoGLUpdateAreaElement
- output : SoBoolOperation, SoConcatenate, SoCounter, SoGate, SoInterpolate, SoSelectOne, SoTimeCounter, SoTriggerAny
- outputType : SoGeometryShader