SoFieldSensor - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin

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NAMESoFieldSensor − The SoFieldSensor class detects changes to a field​.

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SYNOPSIS
#include <Inventor/sensors/SoFieldSensor​.h> Inherits SoDataSensor​.

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Public Member FunctionsSoFieldSensor (void)
SoFieldSensor (SoSensorCB *func, void *data)
virtual ~SoFieldSensor (void)
void attach (SoField *field)
void detach (void)
SoField * getAttachedField (void) const
virtual void trigger (void)

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Additional Inherited Members

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Detailed DescriptionThe SoFieldSensor class detects changes to a field​. Attach a field to a sensor of this type to put it under surveillance, so you can act upon changes to the field​. An SoFieldSensor can also act for delete-callback purposes alone and does not need a regular notification-based callback​.

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Constructor & Destructor Documentation

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SoFieldSensor::SoFieldSensor (void)Constructor​.

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SoFieldSensor::SoFieldSensor (SoSensorCB * func, void * data)Constructor taking as parameters the sensor callback function and the userdata which will be passed the callback​. See also setFunction(), setData()

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SoFieldSensor::~SoFieldSensor (void) [virtual]Destructor​.

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Member Function Documentation

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void SoFieldSensor::attach (SoField * field)Attach sensor to a field​. Whenever the field's value changes, the sensor will be triggered and call the callback function​. A field sensor can be attached to only a single field at a time​. When this method is invoked multiple times, each subsequent call will replace the field the sensor is monitoring with the new field​. When the given field is deleted, the sensor will automatically be detached​. See also detach()

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void SoFieldSensor::detach (void)Detach sensor from field​. As long as an SoFieldSensor is detached, it will never call its callback function​. See also attach()

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SoField * SoFieldSensor::getAttachedField (void) constReturns a pointer to the field connected to the sensor​. See also attach(), detach()

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void SoFieldSensor::trigger (void) [virtual]Trigger the sensor's callback function​. Reimplemented from SoDataSensor​.

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AuthorGenerated automatically by Doxygen for Coin from the source code​. 0

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Johanes Gumabo

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