QwtSamplingThread(3) | Qwt User's Guide | QwtSamplingThread(3) |
NAME¶
QwtSamplingThread - A thread collecting samples at regular intervals.SYNOPSIS¶
#include <qwt_sampling_thread.h>Public Slots¶
void setInterval (double interval)
Public Member Functions¶
virtual ~QwtSamplingThread ()
Protected Member Functions¶
QwtSamplingThread (QObject *parent=NULL)
Detailed Description¶
A thread collecting samples at regular intervals.QwtPlotCurve,
QwtPlotSeriesItem
Constructor & Destructor Documentation¶
QwtSamplingThread::~QwtSamplingThread () [virtual]¶
Destructor.QwtSamplingThread::QwtSamplingThread (QObject *parent = NULL) [explicit, protected]¶
Constructor.Member Function Documentation¶
double QwtSamplingThread::elapsed () const Returns:¶
Time (in ms) since the thread was
started
See also:
QThread::start(), run()
double QwtSamplingThread::interval () const Returns:¶
Interval (in ms), between 2 calls of
sample()
See also:
setInterval()
void QwtSamplingThread::run () [protected, virtual] Loop collecting samples started from QThread::start()¶
See also:stop()
virtual void QwtSamplingThread::sample (doubleelapsed) [protected, pure virtual] Collect a sample¶
Parameters:elapsed Time since the thread was
started in miliseconds
void QwtSamplingThread::setInterval (doubleinterval) [slot] Change the interval (in ms), when sample() is called. The default interval is 1000.0 ( = 1s )¶
Parameters:interval Interval
See also:
interval()
void QwtSamplingThread::stop () [slot] Terminate the collecting thread¶
See also:QThread::start(), run()
Author¶
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