- r -

• radialToX() : NGNet
• radialToY() : NGNet
• rand() : RandHelper
• randNorm() : RandHelper
• RandomDistributor() : RandomDistributor< T >
• randomFreeWorkPosition() : AGAdult
• randomPositionInStreet() : AGPosition
• randomTimeBetween() : AGActivity
• read() : BinaryInputDevice , RODFDetFlowLoader
• readAll() : LineReader
• readAndReportTypeDependent() : TraCITestClient
• readByEndianess() : tcpip::Storage
• readByte() : tcpip::Storage
• readChar() : tcpip::Storage
• readCharUnsafe() : tcpip::Storage
• readCommandID() : TraCIServer
• readContents() : NIImporter_Vissim
• readContextSubscription() : TraCIAPI
• readDate() : NIImporter_DlrNavteq
• readDouble() : tcpip::Storage
• readEdgeVector() : FileHelpers
• ReadEmissionData() : PHEMCEPHandler , PHEMlightdll::CEPHandler
• readEndSecure() : NIImporter_Vissim::VissimSingleTypeParser
• readExtEdgePointDef() : NIImporter_Vissim::VissimSingleTypeParser
• readFactor() : ODMatrix
• ReadFleetShares() : PHEMlightdll::CEPHandler
• readFloat() : tcpip::Storage
• readInt() : tcpip::Storage
• readLine() : LineReader
• ReadLine() : PHEMlightdll::CEPHandler
• readName() : NIImporter_Vissim::VissimSingleTypeParser
• readO() : ODMatrix
• readParameter() : MSSOTLPolicyDesirability
• readPosition() : NIImporter_SUMO
• readPrefixedInt() : NIImporter_DlrNavteq
• readShort() : tcpip::Storage
• readString() : tcpip::Storage
• readStringList() : tcpip::Storage
• readTime() : ODMatrix
• readTimeRec() : NIImporter_DlrNavteq
• readTypeCheckingBoundary() : TraCIServer
• readTypeCheckingByte() : TraCIServer
• readTypeCheckingColor() : TraCIServer
• readTypeCheckingDouble() : TraCIServer
• readTypeCheckingInt() : TraCIServer
• readTypeCheckingPolygon() : TraCIServer
• readTypeCheckingPosition2D() : TraCIServer
• readTypeCheckingString() : TraCIServer
• readTypeCheckingStringList() : TraCIServer
• readTypeCheckingUnsignedByte() : TraCIServer
• readUnsignedByte() : tcpip::Storage
• readUntil() : NIImporter_Vissim::VissimSingleTypeParser
• readV() : ODMatrix
• readVariables() : TraCIAPI
• readVariableSubscription() : TraCIAPI
• ReadVehicleFile() : PHEMCEPHandler , PHEMlightdll::CEPHandler
• readVersion() : NIImporter_DlrNavteq
• ready() : NBHeightMapper
• realString() : OutputDevice
• rebuildAllowedLanes() : MSEdge
• rebuildColorMatrices() : GUIDialog_ViewSettings
• rebuildColorMatrix() : GUIDialog_ViewSettings
• rebuildFrom() : SPTree< E, C >
• rebuildGNECrossings() : GNEJunction
• rebuildList() : GUIDialog_Breakpoints , GUIDialog_GLChosenEditor , GUIDialog_ViewSettings
• rebuildPhase() : MSOffTrafficLightLogic
• rebuildScaleMatrix() : GUIDialog_ViewSettings
• recalcCache() : MSEdge
• recalculateDetectorLength() : MSE2Collector
• receive() : MESegment , tcpip::Socket
• receiveComplete() : tcpip::Socket
• receiveExact() : tcpip::Socket
• recenterView() : GUISUMOAbstractView
• recheckEdgeChanges() : NIVissimNodeCluster
• recheckEdges() : NIVissimConnectionCluster
• recheckForLoops() : RORoute
• recheckLanes() : NBEdge , NBEdgeCont , NIVissimConnection , NIVissimExtendedEdgePoint
• recheckLaneSpread() : NBEdgeCont
• recheckPostProcessConnections() : NBEdgeCont
• recomputeBoundary() : NIVissimConnectionCluster
• recomputeCosts() : AStarRouter< E, V, PF > , CHRouter< E, V, PF > , CHRouterWrapper< E, V, PF > , DijkstraRouterEffort< E, V, PF > , DijkstraRouterTT< E, V, PF > , IntermodalRouter< E, L, N, V, INTERNALROUTER > , PedestrianRouter< E, L, N, V, INTERNALROUTER > , ROJTRRouter , SUMOAbstractRouter< E, V >
• recomputeJamThreshold() : MESegment
• recomputeNeighborsJunctions() : GNEJunction
• recomputeWidths() : NIImporter_OpenDrive
• reconstructEdgeShape() : NIImporter_SUMO
• reconstructLayerElevation() : NIImporter_OpenStreetMap
• reconstructLogic() : NBLoadedSUMOTLDef
• RectSphericalVolume() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• RectVolume() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• recvAndCheck() : tcpip::Socket
• red() : RGBColor
• redo() : GNEChange , GNEChange_Additional , GNEChange_Attribute , GNEChange_Connection , GNEChange_Crossing , GNEChange_Edge , GNEChange_Junction , GNEChange_Lane , GNEChange_POI , GNEChange_Poly , GNEChange_Selection , GNEChange_TLS , GNENet::GNEChange_ReplaceEdgeInTLS , GNEUndoList
• redoName() : GNEChange , GNEChange_Additional , GNEChange_Attribute , GNEChange_Connection , GNEChange_Crossing , GNEChange_Edge , GNEChange_Junction , GNEChange_Lane , GNEChange_POI , GNEChange_Poly , GNEChange_Selection , GNEChange_TLS , GNENet::GNEChange_ReplaceEdgeInTLS , GNEUndoList::CommandGroup
• reduceGeometries() : NBEdgeCont
• reduceGeometry() : NBEdge
• refreshAdditional() : GNENet
• refreshAttribute() : GNEInspectorFrame::AttributeInput
• refreshElement() : GNENet
• refreshPOI() : GNENet
• refreshPolygon() : GNENet
• regenerate() : AGHousehold
• registerAdditionalEdge() : NBPTStop
• registerCollision() : MSVehicleControl
• registerEdge() : GNENet
• registerEmergencyStop() : MSVehicleControl
• registerForValidation() : SPTree< E, C >
• registerJammed() : MSTransportableControl
• registerJoinedCluster() : NBNodeCont
• registerJunction() : GNENet
• registerLastDepart() : SUMORouteHandler
• registerModifications() : NBLoadedSUMOTLDef
• registerMsgHandlers() : GUIMessageWindow
• registerObject() : GUIGlObjectStorage
• registerOneWaitingForContainer() : MSVehicleControl
• registerOneWaitingForPerson() : MSVehicleControl
• registerParent() : GenericSAXHandler
• registerTeleportJam() : MSVehicleControl
• registerTeleportWrongLane() : MSVehicleControl
• registerTeleportYield() : MSVehicleControl
• registerUnchanged() : MSLaneChanger
• reinit() : LineReader , NamedColumnsParser , NBEdge , NBNode , StringTokenizer
• reinitMap() : NamedColumnsParser
• reinitNodes() : NBEdge
• ReInsert() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• relAngle() : NBHelpers
• RelationHandler() : NIImporter_OpenStreetMap::RelationHandler
• RelationsHandler() : PCLoaderOSM::RelationsHandler
• relative_incoming_edge_sorter() : NBContHelper::relative_incoming_edge_sorter
• relative_outgoing_edge_sorter() : NBContHelper::relative_outgoing_edge_sorter
• release() : MSRoute
• releaseVehicles() : GUILane , GUIMEVehicleControl , GUIVehicleControl , MSLane
• relocateFiles() : OptionsCont
• remainingTime() : MSAbstractLaneChangeModel
• remainingVehicleCapacity() : MESegment , METriggeredCalibrator , MSCalibrator
• remakeGNEConnections() : GNEEdge
• remap() : NBLoadedTLDef::SignalGroup
• remapConnections() : NBEdge
• remapEdge() : GNENet
• remapIDs() : NBEdgeCont , NBNodeCont
• remapIncoming() : NBLoadedTLDef::SignalGroup
• remapOneOfNodes() : NIVissimEdge
• remapOutgoing() : NBLoadedTLDef::SignalGroup
• remapRemoved() : NBLoadedSUMOTLDef , NBLoadedTLDef , NBNode , NBOwnTLDef , NBTrafficLightDefinition , NBTrafficLightLogicCont
• remove() : GUICompleteSchemeStorage , GUIGlObject_AbstractAdd , GUIGlObjectStorage , GUISUMOAbstractView
• Remove() : LayeredRTree
• remove() : MSPModel , MSPModel_NonInteracting , MSPModel_Remote , MSPModel_Striping , MSVehicleContainer , MSVehicleTransfer , NamedObjectCont< T >
• Remove() : NamedRTree , RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• remove() : StringBijection< T >
• Remove() : SUMORTree
• remove() : TraCI_POI , TraCI_Polygon , TraCI_Vehicle , TraCIAPI::POIScope , TraCIAPI::PolygonScope , TraCIAPI::VehicleScope
• remove2Update() : GUISelectedStorage
• remove_larger_than() : VectorHelper< T >
• remove_smaller_than() : VectorHelper< T >
• removeActiveAddVisualisation() : GUIBaseVehicle , GUIPerson
• removeAdditional() : GNEAdditionalFrame
• removeAdditionalChild() : GNEEdge , GNELane
• removeAdditionalGLObject() : SUMORTree
• removeAdditionalGLVisualisation() : GUISUMOAbstractView
• RemoveAll() : NamedRTree , RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• RemoveAllRec() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• removeApproaching() : MSLink
• removeApproachingInformation() : MSVehicle
• removeAttributeCarrier() : GNEDeleteFrame
• removeCar() : MESegment
• removeChild() : AGSchool , GUIMainWindow
• removeClosest() : PositionVector
• removeClosingLaneReroutes() : GNERerouterInterval
• removeClosingReroutes() : GNERerouterInterval
• removeColor() : GUIPropertyScheme< T >
• removeComponents() : NBNodeCont
• removeConnection() : GNEEdge , NBLoadedSUMOTLDef , NBTrafficLightDefinition
• removeConnections() : GNEConnectorFrame , NIVissimConnectionCluster
• removeContainer() : GUIEdge , MSEdge
• removeCrossing() : GNECrossingFrame , NBNode
• removeCurrentSocket() : TraCIServer
• removed() : MSCalibrator
• removeDestProbReroutes() : GNERerouterInterval
• removeDetector() : MESegment , RODFDetectorCon
• removeDouble() : VectorHelper< T >
• removeDoubleEdges() : NBNode
• removeDoublePoints() : PositionVector
• removeEdge() : NBNode
• removeEdgeChild() : GNERerouter
• removeEdgeFromCrossings() : GNEEdge , GNEJunction
• removeEdgeReference() : GNEVaporizer
• removeEffort() : MSEdgeWeightsStorage
• removeEmptyDetectors() : RODFNet
• removeEntryChild() : GNEDetectorE3
• removeExitChild() : GNEDetectorE3
• removeExplicitTurnaround() : GNENet
• removeFlow() : RODFDetectorFlows
• removeFromConnectionCluster() : NIVissimEdge
• removeFromConnections() : NBEdge
• removeFromSinksAndSources() : NBDistrict , NBDistrictCont
• removeFromVehicleUpdateValues() : MSMoveReminder
• removeFully() : NBTrafficLightLogicCont
• removeGNERerouter() : GNEEdge
• removeIllegal() : RODFRouteCont
• removeIncomingGNEEdge() : GNEJunction
• removeIsolatedRoads() : NBNodeCont
• removeLane() : GNEEdge
• removeLastPoint() : GNEPolygonFrame::DrawingMode
• removeLeaderCar() : MELoop
• removeLink() : NGNode
• removeNode() : NBTrafficLightDefinition
• removeObject() : GLObjectValuePassConnector< T > , GUIParameterTableWindow
• removeOuterNode() : NGRandomNetBuilder
• removeOutgoingGNEEdge() : GNEJunction
• removeParameterTable() : GUIGlObject
• removeParking() : GUILane , MSLane
• removePending() : MSCalibrator
• removePerson() : GUIEdge , MSEdge
• removePOI() : GNENet , GUIShapeContainer , ShapeContainer
• removePOIOfView() : GNENet
• removePolygon() : GNENet , GUIShapeContainer , ShapeContainer
• removePolygonOfView() : GNENet
• removeProgram() : NBTrafficLightLogicCont
• RemoveRect() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• RemoveRectRec() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• removeReminder() : MSBaseVehicle
• removeRestrictedLane() : GNENet , GNEViewNet
• removeRetriever() : MsgHandler
• removeRouteDesc() : RODFRouteCont
• removeRouteProbReroute() : GNERerouterInterval
• removeSelfLoops() : NBNode , NBNodeCont
• removeShadowApproachingInformation() : MSAbstractLaneChangeModel
• removeSolitaryJunctions() : GNENet
• removeStage() : MSTransportable , TraCIAPI::PersonScope
• removeStages() : TraCIAPI::PersonScope
• removeSubscription() : TraCIServer
• removeSuccessor() : IntermodalEdge< E, L, N, V >
• removeTlConnection() : NIXMLTrafficLightsHandler
• removeTrafficLight() : GNEJunction , NBNode
• removeTrafficLights() : NBNode
• removeTransportable() : MSDevice_Transportable , MSStoppingPlace , MSVehicle
• removeTravelTime() : MSEdgeWeightsStorage
• removeUnwishedEdges() : NBEdgeCont
• removeUnwishedNodes() : NBNodeCont
• removeVehicle() : GUILane , MSLane
• removeVehicleStateListener() : MSNet
• removeVType() : MSVehicleControl
• removeWaiting() : MSVehicleControl
• rename() : NBEdgeCont , NBNodeCont
• renameEdge() : GNENet
• renameJunction() : GNENet
• repairCurrentRoute() : RORouteDef
• replace() : StringUtils
• replaceFrom() : NBConnection
• replaceIncoming() : NBDistrict , NBNode
• replaceIncomingEdge() : GNENet
• replaceInConnectionProhibitions() : NBNode
• replaceInConnections() : NBEdge
• replaceInListAttribute() : GNENet
• replaceJunctionByGeometry() : GNENet
• replaceOutgoing() : NBDistrict , NBNode
• replaceParkingArea() : MEVehicle , MSVehicle , SUMOVehicle
• replaceRemoved() : NBLoadedSUMOTLDef , NBLoadedTLDef , NBOwnTLDef , NBTrafficLightDefinition , NBTrafficLightLogicCont
• replaceRoute() : MEVehicle , MSVehicle , SUMOVehicle
• replaceRouteEdges() : MSBaseVehicle , SUMOVehicle
• replaceTo() : NBConnection
• replaceVehicleType() : MSBaseVehicle , MSTransportable
• report() : LineHandler , NIImporter_DlrNavteq::ConnectedLanesHandler , NIImporter_DlrNavteq::EdgesHandler , NIImporter_DlrNavteq::NamesHandler , NIImporter_DlrNavteq::NodesHandler , NIImporter_DlrNavteq::ProhibitionHandler , NIImporter_DlrNavteq::TimeRestrictionsHandler , NIImporter_DlrNavteq::TrafficlightsHandler
• reportDoubleSetting() : OptionsCont
• reportEmptyDetectors() : RODFNet
• reportRefused() : NIVissimDisturbance
• reportUnsetSpeeds() : NIVissimEdge
• reportWarnings() : NBRequest
• requestsTrajectories() : MSDevice_SSM
• requiereSaveAdditionals() : GNENet
• requiereSaveShapes() : GNENet
• requireRecompute() : GNENet
• reroute() : MSBaseVehicle , MSDevice_Routing , SUMOVehicle
• rerouteParkingZone() : MSTriggeredRerouter
• rerouteTraveltime() : TraCIAPI::PersonScope , TraCIAPI::VehicleScope
• reserveEdgeID() : GNENet
• reserveJunctionID() : GNENet
• reset() : AStarRouter< E, V, PF >::EdgeInfo , Boundary , CHBuilder< E, V >::CHInfo , CHRouter< E, V, PF >::EdgeInfo , DijkstraRouterEffort< E, V, PF >::EdgeInfo , DijkstraRouterTT< E, V, PF >::EdgeInfo , GUIInductLoop , METriggeredCalibrator , MSCalibrator , MSDetectorFileOutput , MSE2Collector , MSE3Collector , MSInductLoop , MSMeanData::MeanDataValues , MSMeanData::MeanDataValueTracker , MSMeanData_Amitran::MSLaneMeanDataValues , MSMeanData_Emissions::MSLaneMeanDataValues , MSMeanData_Harmonoise::MSLaneMeanDataValues , MSMeanData_Net::MSLaneMeanDataValues
• Reset() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• reset() : tcpip::Storage
• resetChanged() : MSAbstractLaneChangeModel
• resetChargingStartTime() : MSDevice_Battery
• resetContractionState() : CHBuilder< E, V >::CHInfo
• resetCooperating() : NBRequest
• resetCTS() : MSSOTLTrafficLightLogic
• resetDefault() : Option
• resetEncounters() : MSDevice_SSM
• resetEndpoint() : GNEEdge
• resetExtraTime() : MSDevice_SSM::Encounter
• resetFlows() : ROMAAssignments
• resetLaneCheck() : MSSwarmTrafficLightLogic
• resetLastTag() : GNEAdditionalHandler
• resetLinkStates() : MSTrafficLightLogic
• resetLoaded() : GeoConvHelper
• resetNodeBorder() : NBEdge
• resetOnly() : MSMeanData , MSMeanData_Amitran , MSMeanData_Net
• resetPartialOccupation() : GUILane , MSLane
• resetPermissions() : MSLane
• resetPhases() : NBTrafficLightLogic
• resetPheromone() : MSSwarmTrafficLightLogic
• resetRoutePosition() : MSVehicle
• resetSignalised() : NBRequest
• resetTextures() : GUITextureSubSys
• resetValues() : NIImporter_OpenStreetMap::RelationHandler
• resetVehicleStoppedTimer() : MSDevice_Battery
• resetWritable() : Option , OptionsCont
• reshapePolygon() : GUIShapeContainer , ShapeContainer
• reshiftPosition() : NBDistrict , NBEdge , NBNode
• reshiftPostion() : NBPTStop
• resignFromWorkPosition() : AGAdult
• resolveEntity() : SUMOSAXReader::LocalSchemaResolver
• resolveSameNode() : NIVissimEdge
• restoreBikelane() : NBEdge
• restoreEdgeColors() : GNECrossingFrame::edgesSelector
• restoreRestrictedLane() : NBEdge
• restoreSidewalk() : NBEdge
• restrictLane() : GNENet , GNEViewNet
• resume() : GUIRunThread , TraCI_Vehicle
• resumeFromStopping() : MSVehicle
• retiredHouseholders() : AGHousehold
• retrieve() : NBDistrictCont , NBEdgeCont , NBNodeCont , NLJunctionControlBuilder
• retrieveAdditional() : GNENet
• retrieveAdditionals() : GNENet
• retrieveAttributeCarriers() : GNENet
• retrieveEdge() : GNENet , NIXMLTrafficLightsHandler
• retrieveEdges() : GNENet
• retrieveExistingEffort() : MSEdgeWeightsStorage
• retrieveExistingTravelTime() : MSEdgeWeightsStorage
• retrieveGNEConnection() : GNEEdge
• retrieveGNECrossing() : GNEJunction
• retrieveJunction() : GNENet
• retrieveJunctions() : GNENet
• retrieveLane() : GNENet
• retrieveLaneIndex() : NIXMLTrafficLightsHandler
• retrieveLanes() : GNENet
• retrieveMessage() : GNELoadThread , GUILoadThread , GUIRunThread
• retrievePOI() : GNENet
• retrievePolygon() : GNENet
• retrievePossiblySplit() : NBEdgeCont
• revalidateFlows() : RODFNet
• reverse() : PositionVector
• reverseEdge() : GNENet
• revertID() : NIImporter_OpenDrive
• revertLaneRestriction() : GNENet
• reviseStops() : NBPTLineCont , NBPTStopCont
• revisitLaneSections() : NIImporter_OpenDrive
• RGBColor() : RGBColor
• Ride() : ROPerson::Ride
• rightLane() : MSEdge
• rightOnRedConflict() : NBLoadedSUMOTLDef , NBNode , NBTrafficLightDefinition
• rightTurn() : GLHelper
• rightTurnConflict() : NBNode
• ROAbstractEdgeBuilder() : ROAbstractEdgeBuilder
• RODFDetector() : RODFDetector
• RODFDetectorCon() : RODFDetectorCon
• RODFDetectorFlows() : RODFDetectorFlows
• RODFDetectorHandler() : RODFDetectorHandler
• RODFDetFlowLoader() : RODFDetFlowLoader
• RODFEdge() : RODFEdge
• RODFEdgeBuilder() : RODFEdgeBuilder
• RODFNet() : RODFNet
• RODFRouteCont() : RODFRouteCont
• RODUAEdgeBuilder() : RODUAEdgeBuilder
• ROEdge() : ROEdge
• ROJTREdge() : ROJTREdge
• ROJTREdgeBuilder() : ROJTREdgeBuilder
• ROJTRRouter() : ROJTRRouter
• ROJTRTurnDefLoader() : ROJTRTurnDefLoader
• ROLane() : ROLane
• ROLoader() : ROLoader
• ROMAAssignments() : ROMAAssignments
• ROMAEdge() : ROMAEdge
• ROMAEdgeBuilder() : ROMAEdgeBuilder
• ROMARouteHandler() : ROMARouteHandler
• RONet() : RONet
• RONetHandler() : RONetHandler
• RONode() : RONode
• ROPerson() : ROPerson
• RORoutable() : RORoutable
• RORoute() : RORoute
• RORouteDef() : RORouteDef
• RORouteHandler() : RORouteHandler
• rotate() : GUIDanielPerspectiveChanger
• rotate2D() : PositionVector
• rotationAtOffset() : PositionVector
• rotationDegreeAtOffset() : PositionVector
• roundaboutDistBonus() : MSLCM_LC2013
• route_finder() : RODFRouteCont::route_finder
• RouteCostCalculator() : RouteCostCalculator< R, E, V >
• routeExists() : GNECalibrator , GNENet
• routeOutput() : MSContainer::MSContainerStage_Driving , MSContainer::MSContainerStage_Tranship , MSContainer , MSPerson::MSPersonStage_Driving , MSPerson::MSPersonStage_Walking , MSPerson , MSTransportable , MSTransportable::Stage , MSTransportable::Stage_Waiting
• RouteReplaceInfo() : MSDevice_Vehroutes::RouteReplaceInfo
• RouterProvider() : RouterProvider< E, L, N, V >
• RouteScope() : TraCIAPI::RouteScope
• ROVehicle() : ROVehicle
• ROVehicleByDepartureComperator() : ROVehicleByDepartureComperator
• RTree() : RTree< DATATYPE, DATATYPENP, ELEMTYPE, NUMDIMS, CONTEXT, ELEMTYPEREAL, TMAXNODES, TMINNODES >
• run() : FXSingleEventThread , FXWorkerThread , FXWorkerThread::Task , GNELoadThread , GUILoadThread , GUIRunThread , TraCITestClient
• runHiddenCommand() : SysUtils
• runParser() : XMLSubSys