HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · example/dynamiclinechart/wavegenerator.h

Simple line chart screen shot

Michal Klocek - - Load All Authors

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             wavegenerator.h
        
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        Michal Klocek
    
minor. minssing hile

              r134
            
      #include <QTimer>

      #include <QTime>

      #include <QObject>

      #include <cmath>

        Michal Klocek
    
Fix previous broken commit

              r145
            
      #include <qlinechartseries.h>

        Michal Klocek
    
minor. minssing hile

              r134
            
      QTCOMMERCIALCHART_USE_NAMESPACE

      #define PI 3.14159265358979

      static const int numPoints =100;

      class WaveGenerator: public QObject

      {

          Q_OBJECT

      public:

        Michal Klocek
    
Fix previous broken commit

              r145
            
          WaveGenerator(QLineChartSeries* series1, QLineChartSeries* series2) :

        Michal Klocek
    
minor. minssing hile

              r134
            
              m_series1(series1),

              m_series2(series2),

              m_wave(0),

              m_step(2*PI/numPoints)

          {

              QTime now = QTime::currentTime();

              qsrand((uint)now.msec());

              int fluctuate = 100;

              for (qreal x = 0; x <= 2*PI; x+=m_step) {

                    series1->add(x, fabs(sin(x)*fluctuate));

                    series2->add(x, fabs(cos(x)*fluctuate));

              }

              QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(update()));

              m_timer.setInterval(5000);

              m_timer.start();

          };

      public slots:

          void update()

          {

              int fluctuate;

              for (qreal i = 0, x = 0; x <= 2*PI; x+=m_step, i++) {

                  fluctuate = qrand() % 100;

                  m_series1->set(i, x, fabs(sin(x)*fluctuate));

                  fluctuate = qrand() % 100;

                  m_series2->set(i, x, fabs(cos(x)*fluctuate));

              }

          }

      private:

        Michal Klocek
    
Fix previous broken commit

              r145
            
          QLineChartSeries* m_series1;

          QLineChartSeries* m_series2;

        Michal Klocek
    
minor. minssing hile

              r134
            
          int m_wave;

          qreal m_step;

          QTimer m_timer;

      };

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Michal Klocek minor. minssing hile	r134	#include <QTimer>
		#include <QTime>
		#include <QObject>
		#include <cmath>
Michal Klocek Fix previous broken commit	r145	#include <qlinechartseries.h>
Michal Klocek minor. minssing hile	r134
		QTCOMMERCIALCHART_USE_NAMESPACE

		#define PI 3.14159265358979
		static const int numPoints =100;

		class WaveGenerator: public QObject
		{
		Q_OBJECT

		public:
Michal Klocek Fix previous broken commit	r145	WaveGenerator(QLineChartSeries* series1, QLineChartSeries* series2) :
Michal Klocek minor. minssing hile	r134	m_series1(series1),
		m_series2(series2),
		m_wave(0),
		m_step(2*PI/numPoints)
		{

		QTime now = QTime::currentTime();
		qsrand((uint)now.msec());

		int fluctuate = 100;

		for (qreal x = 0; x <= 2*PI; x+=m_step) {
		series1->add(x, fabs(sin(x)*fluctuate));
		series2->add(x, fabs(cos(x)*fluctuate));
		}

		QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(update()));
		m_timer.setInterval(5000);
		m_timer.start();

		};

		public slots:
		void update()
		{
		int fluctuate;

		for (qreal i = 0, x = 0; x <= 2*PI; x+=m_step, i++) {
		fluctuate = qrand() % 100;
		m_series1->set(i, x, fabs(sin(x)*fluctuate));
		fluctuate = qrand() % 100;
		m_series2->set(i, x, fabs(cos(x)*fluctuate));
		}

		}

		private:
Michal Klocek Fix previous broken commit	r145	QLineChartSeries* m_series1;
		QLineChartSeries* m_series2;
Michal Klocek minor. minssing hile	r134	int m_wave;
		qreal m_step;
		QTimer m_timer;
		};