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VR-Forces 4.1 Class Documentation
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VR-Forces 4.1 Class Documentation
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A sensor component which uses the VR-Forces Sensor Signature model for detecting object. More...
Public Member Functions | |
| DtSignatureObjectSensor (const DtString &name, DtVrfObject *owner, DtSimManager *simManager, DtComponentDescriptor *desc=0, DtReaderWriterRegistry *parentRegistry=0) | |
| (const DtString&,DtVrfObject*,DtSimManager*, | |
| virtual | ~DtSignatureObjectSensor () |
| destructor | |
| virtual bool | init () |
| Calls createPSR(), createDetectableObjectList(), createAndInitSensorMonitor() and initSensorGeometry(). | |
| virtual DtString | type () const |
| Returns a string identifies the class type of component. | |
| virtual int | sensorType () const |
| Returns the enumerated type of this sensor. | |
| virtual void | tick () |
| Overridden from base class to update myLocalSensorPosition (using localSensorPosition()) at the start of each tick. | |
| virtual int | determineForceType (DtVrfObject *object, DtRwSensorContactInfo *contactInfo) |
| Determines the force type for this object based on the sensor contact info for it. | |
 Public Member Functions inherited from DtObjectSensor | |
| DtObjectSensor (const DtString &name, DtVrfObject *owner, DtSimManager *simManager, DtComponentDescriptor *desc=0, DtReaderWriterRegistry *parentRegistry=0) | |
| (const DtString&,DtVrfObject*,DtSimManager*, | |
| virtual | ~DtObjectSensor () |
| destructor | |
| virtual bool | tickWhileDestroyed () const |
| Public Member Functions inherited from DtSimComponent | |
| DtSimComponent (const DtString &name, DtVrfObject *owner, DtSimManager *simManager, DtComponentDescriptor *desc=0, DtReaderWriterRegistry *parentRegistry=0) | |
| virtual | ~DtSimComponent () |
| destructor | |
| void | setParentSystem (DtComponentSystem *system) |
| Sets the parent system of this component. | |
| virtual bool | postAddComponentsInit () |
| Called after all components have been created, initialized and added to the component manager. | |
| virtual void | preFirstTickInit () |
| This function can be overridden to initialize a component before it is ticked for the first time. | |
| virtual void | postTick () |
| This function is called immediately after tick() is called. | |
| virtual void | timedTick () |
| This version of tick checks to see if the time to tick has arrived. | |
| virtual void | setMinTickPeriod (double minTickPeriod) |
| specifies a minimum tick period (which can also be thought of as | |
| virtual double | minTickPeriod () const |
| access the minimum tick period | |
| virtual void | setMinTickPeriodVariance (double minTickPeriodVariance) |
| set the variance in the minimum tick time | |
| virtual double | minTickPeriodVariance () const |
| access the variance in the minimum tick period | |
| virtual void | setNextTickTime (double nextTickTime) |
| The next tick time is normally calculated internally. | |
| virtual double | nextTickTime () const |
| access the next tick time | |
| virtual double | calculateNextTickTime () const |
| The next tick time is equal to mySimManager->exerciseClock()-> approximateElapsedRealTime() + myMinTickPeriod + a random # between -myMinTickPeriodVariance/2. | |
| virtual double | calculateFirstTickTime () const |
| Returns the first time value that the component should tick at. | |
| virtual void | setEntity (DtVrfObject *entity) |
| The entity's state repository is the place that actuator components make updates and other components look to see our current state. | |
| virtual DtSimComponent * | nextComponent () |
| List management functions. | |
| virtual DtSimComponent * | prevComponent () |
| virtual void | setListItem (DtListItem *item) |
| Used by DtComponentList. | |
| virtual DtListItem * | listItem () |
| virtual void | putData (FILE *fp, int indentLevel=0) |
| putData writes our type, which is provided by the virtual type accessor of the deriving class. | |
| virtual DtlObjPtr | getData (DtlObjPtr args, const DtFilename &searchPath, const DtVariableBindingsList &variableBindings) |
| getData is just used to get us past the type in the data stream, since it's not actual stored. | |
| virtual void | addInputPort (DtInputPort *port) |
| Adds this input port to the components input port list so that other components can look it up and attach to it. | |
| virtual void | removeInputPort (DtInputPort *port) |
| virtual DtInputPort * | lookupInputPort (const DtString &portName) |
| Returns a pointer to the input port registered on this component with the specified name. | |
| virtual DtList | inputPortList () const |
| Returns the list of DtInputPorts registered on this component. | |
| virtual void | addOutputPort (DtOutputPort *port) |
| Adds this output port to the components output port list so that other components can look it up and attach to it. | |
| virtual void | removeOutputPort (DtOutputPort *port) |
| virtual DtOutputPort * | lookupOutputPort (const DtString &portName) |
| Returns a pointer to the output port registered on this component with the specified name. | |
| virtual DtList | outputPortList () const |
| Returns the list of DtOutputPorts registered on this component. | |
| virtual void | addInputPortGroup (DtInputPortGroup *group) |
| Adds this input port to the components input port list so that other components can look it up and attach to it. | |
| virtual void | removeInputPortGroup (DtInputPortGroup *group) |
| virtual DtInputPortGroup * | lookupInputPortGroup (const DtString &groupName) |
| Returns a pointer the input port group registered on this component with the specified name. | |
| virtual DtList | inputPortGroupList () const |
| Returns the list of DtInputPortGroups registered on this component. | |
| virtual void | addOutputPortGroup (DtOutputPortGroup *group) |
| Adds this output port group to the components output port group list so that other components can look it up and attach to it. | |
| virtual void | removeOutputPortGroup (DtOutputPortGroup *group) |
| virtual DtOutputPortGroup * | lookupOutputPortGroup (const DtString &groupName) |
| Returns a pointer the output port group registered on this component with the specified name. | |
| virtual DtList | outputPortGroupList () const |
| Returns the list of DtOutputPortGroups registered on this component. | |
| virtual int | priority () const |
| Return the current connection priority for this component. | |
| virtual void | setPriority (int priority) |
| Sets a new connection priority for this component, and changes all current outgoing connections from this component to the new value. | |
| double | dT () const |
| This is the delta-t for this component, which may or may not be the same as the exerciseClock dT. | |
| virtual void | setDT (double deltaT) |
| Note that while dT is calculated internally, this makes it possible to 'lie' to the component about dT if necessary. | |
| virtual void | setComponentDescriptor (DtComponentDescriptor *componentDescriptor) |
| The component descriptor specified in the order of battle file or parameter file that was used to create this component. | |
| virtual const DtComponentDescriptor * | componentDescriptor () const |
| DtVrfProcessStateRepositoryManager * | psrManager () |
| virtual DtString | componentFullName () const |
| virtual void | enable () |
| Is this component enabled or not. | |
| virtual void | disable () |
| Is this component enabled or not. | |
| virtual bool | isEnabled () |
| Is this component enabled or not. | |
| virtual void | setIsEnabled (bool yesNo) |
| Is this component enabled or not. | |
| virtual DtOutputStream & | objectConsoleDebug () const |
| virtual DtOutputStream & | objectConsoleVerbose () const |
| virtual DtOutputStream & | objectConsoleInfo () const |
| virtual DtOutputStream & | objectConsoleWarn () const |
| virtual DtOutputStream & | objectConsoleError () const |
| virtual DtSimResourceManager & | resourceManager () |
| virtual const DtSimResourceManager & | resourceManager () const |
| Public Member Functions inherited from DtReaderWriter | |
| DtReaderWriter () | |
| default constructor | |
| DtReaderWriter (const DtString &name, DtReaderWriterRegistry *parentRegistry=NULL, bool readonly=false) | |
| real constructor Setting the readonly flag prevents object from writing itself to the stream. | |
| DtReaderWriter (const DtSymbolString &name, DtReaderWriterRegistry *parentRegistry=NULL, bool readonly=false) | |
| DtReaderWriter (const DtString &name, const DtReaderWriter &orig, DtReaderWriterRegistry *parentRegistry=NULL) | |
| copy constructor | |
| DtReaderWriter (const DtSymbolString &name, const DtReaderWriter &orig, DtReaderWriterRegistry *parentRegistry=NULL) | |
| const DtReaderWriter & | operator= (const DtReaderWriter &orig) |
| assignment operator | |
| virtual | ~DtReaderWriter () |
| destructor | |
| virtual void | putSelf (FILE *fp, int indentLevel=0, bool writeUnspecified=false, const DtFilename &path=DtFilename::nullFilename()) |
| Top level call to write itself to file. | |
| virtual void | getSelf (DtlObjPtr args, const DtFilename &searchPath=DtFilename::nullFilename(), const DtVariableBindingsList &variableBindings=nullVariableReference()) |
| Top level to read itself from an input stream. | |
| virtual void | writeSelf (FILE *fp, int indentLevel=0, bool writeUnspecified=false, const DtFilename &path=DtFilename::nullFilename()) |
| Called from putSelf, calls myRegistry.putSelf which in turn calls putSelf on each reader/writer in the registry. | |
| virtual DtSymbolString | name () const |
| Accessor for name of this readable/writable object. | |
| virtual void | addAlias (const DtSymbolString &alias) |
| Add an alias as an alternative name for this object. | |
| virtual bool | hasAlias (const DtSymbolString &alias) |
| virtual const aliasContainer & | aliases () const |
| virtual void | setReadonly (bool flag) |
| Set read-only flag. | |
| virtual bool | isReadonly () const |
| virtual bool | variableIsBound () const |
| virtual void | unbindVariable () |
| Sets the myVariableIsBound flag to false. | |
| virtual void | setName (const DtString &) |
| Set the name of the object. | |
| virtual const char * | readerWriterType () const |
| Used to supply a string type that this reader writer type is. | |
| virtual DtString | prettyPrint () const |
| Routine to return a human readable form of the reader/writer variable. | |
| virtual void | bindVariables (DtVariableBindingsList variableBindings) |
| Runs a variable binding pass on this reader writer and any of its children. | |
| virtual std::list < DtVariableNameType > | unboundVariables () const |
| bool | invalid () const |
| virtual bool | hasChild (const DtReaderWriter *p) const |
| Returns true if this variable has a child p in it's chain. | |
| virtual void | setValueSpecified (bool specified, bool recurse=false) |
| The specified flags are used for optional values. | |
| virtual bool | valueSpecified () const |
| The specified flags are used for optional values. | |
| virtual bool | isVariableReference () const |
| Specifies whether or not this reader writer is really a variable that is specified elsewhere. | |
| virtual void | setIsVariableReference (bool value) |
| virtual DtSymbolString | variableName () const |
| The variable name, if this object is a variable reference. | |
| virtual void | setVariableName (const DtSymbolString variableName) |
| The variable name, if this object is a variable reference. | |
| const DtReaderWriterRegistry & | registry () const |
| Collection of child DtReaderWriter nodes owned by this object. | |
| DtReaderWriterRegistry & | registry () |
| Collection of child DtReaderWriter nodes owned by this object. | |
Static Public Member Functions | |
| static DtSimComponent * | creator (const DtString &name, DtVrfObject *owner, DtSimManager *simManager, DtComponentDescriptor *desc=0, DtReaderWriterRegistry *parentRegistry=0) |
| (const DtString&,DtVrfObject*,DtSimManager*, | |
Protected Member Functions | |
| virtual bool | detectObject (DtVrfObject *object, DtRwSensorContactInfo *contactInfo) |
| Returns true if object is detected. | |
| virtual bool | continueDetectingObject (DtVrfObject *object, DtRwSensorContactInfo *contactInfo, bool &contactInfoModified) |
| Same as detectObject except it is checking for objects we had previously detected. | |
| virtual double | minimumSignatureThreshold () const |
| virtual double | apparentSignature (DtVrfObject *object, bool losValueIfTerrainUnavailable) const |
| Returns the apparent signature of the specified object using the sensorSignatureManager. | |
| virtual bool | determineIdentificationLevel (DtVrfObject *object, DtRwSensorContactInfo *contactInfo, double appSignature, int &level, bool &contactInfoModified) |
| Determine varying levels of detection. | |
| virtual void | updateSensorContactInfo (DtVrfObject *object, DtRwSensorContactInfo *contactInfo, int updateLevel) |
| virtual void | addDetectionError (DtRwSensorContactInfo *info, int level) |
| Uses the sensor positional error set in the sensor descriptor to add error to the contact information. | |
| virtual bool | objectInSector (const DtVrfObject *object) const |
| virtual DtVector | localSensorPosition () const |
| Overridden to use the offset from the descriptor if the position port is not connected. | |
| Protected Member Functions inherited from DtObjectSensor | |
| virtual bool | createPortGroups () |
| Creates and initializes port groups. | |
| virtual bool | createPorts () |
| Creates the target list port. | |
| virtual DtObjectSensorPSR * | createPSR () |
| Creates myProcessState data member, and adds it to our process state repository manager. | |
| virtual const char * | defaultPSRType () const |
| virtual void | updateDetectableObjectsList () |
| Sets up myDetectableObjectList as a list that contains all entity types/forces specified in both the descriptor and the myObjectsToDetectInputPort input port. | |
| virtual bool | initSensorGeometry () |
| Creates the geometry evaluator based on the sensor-geometry entry in the descriptor, and the sensor geometry evaluator factory. | |
| virtual void | setupGeometryForDetection () |
| Sets up the current sensor geometry evaluator with the current position and orientation of the sensor. | |
| virtual DtTaitBryan | localSensorOrientation () const |
| virtual bool | processObjects () |
| Checks detectability of each of the detectable objects. | |
| virtual bool | objectWithinSensorGeometry (DtVrfObject *object) const |
| virtual double | rangeSquaredToObject (const DtVrfObject *object) const |
| virtual double | rangeToObject (const DtVrfObject *object) const |
| virtual void | clearObjectRangeCache () const |
| Invalidates the current object range cache. | |
| virtual void | printTargets () const |
| Prints the current target list to the console. | |
| virtual void | updateDetectedObjectListPort () |
| Clears the list port, then adds all target infos from the previous target list in the PSR, and sends the data. | |
| virtual bool | createAndInitSensorMonitor () |
| Creates a DtObjectSensorMonitor, and calls init() on it. | |
| virtual bool | objectInDetectableList (DtVrfObject *) const |
| Returns true if the object is in the myDetectableObjectList. | |
| virtual void | processHostilitiesChanged (DtU8 force) |
| DtCompositePredicate | objectTypeForcePredicate (const DtObjectType &, const DtNLengthIntegerVector &forceTypes) |
| Specifies force types as s DtNLenghtIntegerVector. | |
| DtCompositePredicate | objectTypeForcePredicate (const DtObjectType &, const std::list< DtU8 > &forceTypes) |
| Specifies force types as a std::list. | |
| Protected Member Functions inherited from DtSimComponent | |
| bool | testInvariant () const |
| virtual DtPhysicalWorld * | physicalWorld () |
| Gets the physical world that this component's entity exists in. | |
| virtual const DtPhysicalWorld * | physicalWorld () const |
| virtual DtAttachedTerrain * | terrainAttachedTo () |
| Gets the terrain that this component's entity is attached to, if any. | |
| virtual const DtAttachedTerrain * | terrainAttachedTo () const |
| virtual DtVrfObject * | entity () |
| Gets the entity. | |
| virtual const DtVrfObject * | entity () const |
| virtual DtSimManager * | simManager () |
| Gets the sim manager. | |
| virtual const DtSimManager * | simManager () const |
| virtual const Coordinate_System * | coordinateSystem () const |
| Gets the coordinate system, as it should always exist if the physical world is in a valid state! | |
| virtual Coordinate_System * | coordinateSystem () |
| virtual DtVrfObjectStateRepository * | localStateRepository () |
| Gets the local state repository. | |
| virtual const DtVrfObjectStateRepository * | localStateRepository () const |
| Protected Member Functions inherited from DtReaderWriter | |
| virtual void | bindToRwAsVariable (const DtReaderWriter *rw) |
| Copies values from the specified DtReaderWriter. | |
| virtual void | bindLocalVariables (const DtVariableBindingsList &variableBindings) |
| Checks to see if this RW object is a variable reference that can be bound using the provided bindings. | |
Protected Attributes | |
| const DtSignatureObjectSensorDescriptor * | mySignatureObjectSensorDescriptor |
| DtSymbolString | mySensorDomain |
| DtVector | myLocalSensorPosition |
| DtSignatureDetectLevelDeterminator * | myDetectionLevelDeterminator |
| Protected Attributes inherited from DtObjectSensor | |
| DtManagedObjectListConstPtr | myDetectableObjectList |
| const DtObjectSensorDescriptor * | myObjectSensorDescriptor |
| DtObjectSensorPSR * | myProcessState |
| Container for state data associated with this component. | |
| DtObjectSensorMonitor * | myMonitor |
| Sends out sensor contact information to the GUI if the GUI or other application has requested the information. | |
| DtSpatialFilterEvaluator * | mySensorGeometryEvaluator |
| const DtVrfObject * | myMutableObjectCached |
| The VrfObject whose range is currently cached. | |
| bool | myMutableObjectRangeCalculated |
| Keeps track of whether the range has been calculated for the current cached object. | |
| double | myMutableObjectRangeCache |
| The current range to the cached object, if calculated. | |
| bool | myMutableObjectRangeSquaredCalculated |
| Keeps track of whether the range squared has been calculated for the current cached object. | |
| double | myMutableObjectRangeSquaredCache |
| The current range squared to the cached object, if calculated. | |
| DtSensorContactListOutputPort * | myDetectedObjectListPort |
| Outputs: Output Port Name: detected-objects Output Port Description: The list of contacts detected by this sensor. | |
| DtObjectTypesListMultiInputPort * | myObjectsToDetectInputPort |
| Inputs: DtObjectTypesListMultiInputPort : object-types-to-detect Input Port Name: object-types-to-detect Input Port Description: List of contacts to be considered for target selection. | |
| DtInputPortGroup * | mySensorOffsetInputPortGroup |
| Input Port Group Name: sensor-offset Input Port Group Description: Allows an external controller to provide position and orientation of the sensor relative to the entity's position. | |
| DtOrientationInputPort * | myOrientationInputPort |
| Input Port Name: orientation Input Port Description: Specifies the orientation of the sensor relative to the entity on which it is mounted. | |
| DtVectorInputPort * | myPositionInputPort |
| Input Port Name: position Input Port Description: Specifies the position of the sensor in body coordinates relative to the entity which it is mounted on. | |
| Protected Attributes inherited from DtSimComponent | |
| DtVrfObject * | myEntity |
| DtVrfObjectStateRepository * | myLocalStateRepository |
| DtSimManager * | mySimManager |
| DtComponentSystem * | mySystem |
| Pointer to the DtComponentSystem that this component belongs. | |
| DtListItem * | myListItem |
| DtInputPortMap | myInputPortList |
| DtOutputPortMap | myOutputPortList |
| DtInputPortGroupMap | myInputPortGroupList |
| DtOutputPortGroupMap | myOutputPortGroupList |
| int | myPriority |
| double | myMinTickPeriod |
| double | myMinTickPeriodVariance |
| double | myNextTickTime |
| double | myLastTickSimTime |
| double | myDT |
| bool | myIsEnabled |
| Indicates whether this component should be enabled for ticking or not. | |
| bool | myFirstTick |
| Initialized to true in the constructor, set to false by the first call to postTick. | |
| const DtComponentDescriptor * | myComponentDescriptor |
| Protected Attributes inherited from DtReaderWriter | |
| const DtSymbolString | myName |
| DtReaderWriterRegistry | myRegistry |
| bool | myValueSpecified |
| bool | myReadOnlyFlag |
| bool | myIsVariableReference |
| DtSymbolString | myVariableName |
| bool | myVariableIsBound |
| aliasContainer | myAliases |
| Container for the aliases which represent alternative names for the object. | |
| bool | myInvalid |
| Set to true if there is a problem reading this item. | |
Private Member Functions | |
| DtSignatureObjectSensor () | |
| default constructor; not implemented | |
| DtSignatureObjectSensor (const DtSignatureObjectSensor &orig) | |
| copy constructor; not implemented | |
| const DtSignatureObjectSensor & | operator= (const DtSignatureObjectSensor &orig) |
| assignment operator; not implemented | |
Additional Inherited Members | |
| Public Types inherited from DtReaderWriter | |
| typedef std::vector < DtSymbolString > | aliasContainer |
| typedef std::vector < DtSymbolString >::iterator | aliasIter |
| typedef std::vector < DtSymbolString > ::const_iterator | aliasConstIter |
| typedef std::pair < DtSymbolString, DtString > | DtVariableNameType |
| Protected Types inherited from DtSimComponent | |
| typedef std::map< DtString, DtInputPort * > | DtInputPortMap |
| typedef std::map< DtString, DtOutputPort * > | DtOutputPortMap |
| typedef std::map< DtString, DtInputPortGroup * > | DtInputPortGroupMap |
| typedef std::map< DtString, DtOutputPortGroup * > | DtOutputPortGroupMap |
| Static Protected Member Functions inherited from DtObjectSensor | |
| static void | hostilitiesChangedCallback (DtU8 force, void *usr) |
| If who were hostile towards has changed we will need to update our myDetectableObjectList. | |
| Static Protected Attributes inherited from DtSimComponent | |
| static DtSimComponentFactory * | myFactory |
A sensor component which uses the VR-Forces Sensor Signature model for detecting object.
End User Description: This sensor implements the VR-Forces Sensor Signature model in any sensor domain. This sensor can act in any of the sensor domains by specifying the domain name in the descriptor. Objects are detected based on their signature value in the chosen domain, and using the DtPhysicalWorld to propagate the signature though the environment to this sensor's location. Probability of detection is then based on the detection files specified in the descriptor for this sensor. Objects with a higher apparent signature are easier to detect than those with lower signature. This sensor component extends the base DtObjectSensor, so all of the capability for publishing sensor contacts to the GUI is used by this component.
Uses Descriptor Type: DtSignatureObjectSensorDescriptor
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private |
default constructor; not implemented
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copy constructor; not implemented
| DtSignatureObjectSensor::DtSignatureObjectSensor | ( | const DtString & | name, |
| DtVrfObject * | owner, | ||
| DtSimManager * | simManager, | ||
| DtComponentDescriptor * | desc = 0, |
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| DtReaderWriterRegistry * | parentRegistry = 0 |
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| ) |
(const DtString&,DtVrfObject*,DtSimManager*,
| name | Reader writer name of this component. |
| owner | The DtVrfObject that owns this component |
| simManager | The simulation manager (provides access to terrain, message interface, simulation clock). |
| desc | The component descriptor used to initialize this component. |
| parentRegistry | Pointer to the parent reader writer registry (the containing object that reads/writes this object). |
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destructor
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assignment operator; not implemented
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Calls createPSR(), createDetectableObjectList(), createAndInitSensorMonitor() and initSensorGeometry().
This must be called after construction and before the sensor is used on an entity.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Returns a string identifies the class type of component.
Type values are defined in compTypes.h. DtSimComponent creation functions are registered with the DtSimComponentFactory using the type values as the key.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Returns the enumerated type of this sensor.
It is based on the sensor domain string. "radar" maps to DtSenorTypeRadar. "visual" maps to DtSensorTypeVisual. "sonar" maps to DtSensorTypeSonar. "infrared" maps to DtSensorTypeInfrared. Anything else maps to DtSensorTypeUnknown.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Overridden from base class to update myLocalSensorPosition (using localSensorPosition()) at the start of each tick.
It then calls DtObjectSensor::tick.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Determines the force type for this object based on the sensor contact info for it.
Currently just uses the detection-level-to-set-force-type parameter from the sensor descriptor to determine at which identification level we would be able to know the force type of the object.
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static |
(const DtString&,DtVrfObject*,DtSimManager*,
| name | Reader writer name of this component. |
| owner | The DtVrfObject that owns this component |
| simManager | The simulation manager (provides access to terrain, message interface, simulation clock). |
| desc | The component descriptor used to initialize this component. |
| parentRegistry | Pointer to the parent reader writer registry (the containing object that reads/writes this object). |
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Returns true if object is detected.
Calls apparentSignature to determine what the object's signature appears to this sensor based on distance and potentially other factors that could degrade the object's absolute signature. Once the apparent signature is determined the sensor will then call determineIdentificationLevel which will check this apparent signature to see if this sensor is capable of detecting it. If so returns true and creates a DtRwSensorContactInfo for it and return that in contactInfo.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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protectedvirtual |
Same as detectObject except it is checking for objects we had previously detected.
In this case the amount of time that this object has been detected by the sensor will be factored in when determining the identification level. Again returns true if the object is still detected and the contact info is updated. If there were changes in the contact info, contactInfoModified will be true.
Reimplemented from DtObjectSensor.
Reimplemented in DtRadarObjectSensor.
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Returns the apparent signature of the specified object using the sensorSignatureManager.
A DtSignaturePropagatorArgs class is instantiated that holds the object to be detected, the sensing object, the location we are sensing from and the minimum signature threshold below which there's no point in doing further checks. This is passed to the DtSensorSignatureMananger which looks up the DtSignaturePropagator that is specified for the sensor domain–this is configured in the physicalWorldParams.mtl file. The propagator determines how much the absolute signature of the object is degraded by the environment,the physical world, and returns the apparent signature the object has to the sensing object. Degradation effects can be such things as range, time of day, weather conditions, terrain obstruction and so forth. These will depend on the type of DtSignaturePropagator used.
| losValueIfTerrainUnavailable | This parameter indicates what to do if the terrain database indicates that data is unavailable (hasn't been streamed/paged in yet). If true, the target can be seen though unavailable data, if false, the target cannot be seen though unavailable data areas. |
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Determine varying levels of detection.
Only know full truth at the highest level. Uses the apparent signature of the object and any previous contact info to determine what the combat identification level( CID ) of the object is. This is a measure of how well we know what this object is. A DtSignatureDetectLevelDeterminator is used to obtain the value. The longer the sensor looks at the object and the larger it's apparent signature the higher the identification level will be.
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Uses the sensor positional error set in the sensor descriptor to add error to the contact information.
Currently very simple linear relationship based on range. TBD
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protectedvirtual |
Overridden to use the offset from the descriptor if the position port is not connected.
Reimplemented from DtObjectSensor.
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