const int DataSizeBase = 5000; //Increase this number to plot more points
private void PlotData(bool reverse = false)
{
//Series 1 used primary YAxis
Series Ser1 = chart1.Series[0];
//Series 2 used secondary YAxis
Series Ser2 = chart1.Series[1];
Series Ser3 = chart1.Series[2];
double angFreq = 0.20;
#if Dynamic
int HalfSize = DataSizeBase / 10 * 9;
for (int x = 0; x < HalfSize; x++)
{
#if BUFFER
Ser2.AddXYBuffered(x, 10 * Math.Cos(Math.PI * angFreq * x));
#endif
Ser1.Points.AddXY(x, 10 * Math.Cos(Math.PI * angFreq * x));
}
for (int x = HalfSize; x < DataSizeBase; x++)
{
#if BUFFER
Ser2.AddXYBuffered(HalfSize + 20 * (x - HalfSize), 10 * Math.Cos(Math.PI * angFreq * x));
#endif
Ser1.Points.AddXY(HalfSize + 20 * (x - HalfSize), 10 * Math.Cos(Math.PI * angFreq * x));
}
#else
for (int x = 0; x < DataSizeBase; x++)
{
#if BUFFER
Ser2.AddXYBuffered(2 * Math.PI * angFreq * x, 10 * Math.Cos(Math.PI * angFreq * x));
#endif
Ser1.Points.AddXY(2 * Math.PI * angFreq * x, 10 * Math.Cos(Math.PI * angFreq * x));
}
#endif
#if BUFFER
Ser2.PlotBufferedData();
#endif
var chartArea = chart1.ChartAreas.First();
chartArea.AxisX.IsReversed = reverse;
chartArea.AxisY.IsReversed = reverse;
Series ptrSeries = chart2.Series[0];
ptrSeries.Points.AddXY(1, 1);
ptrSeries.Points.AddXY(2, 2);
ptrSeries.Points.AddXY(3, 3);
//Date Time Series
Series dateSeries = chart3.Series[0];
DateTime today = DateTime.Today;
for (int x = 0; x < 10; x++)
{
dateSeries.Points.AddXY(today.AddDays(x), x);
}
}
private void randomDataToolStripMenuItem_Click(object sender, EventArgs e)
{
ClearData();
StartStopWatch();
//Series 1 used primary YAxis
Series Ser1 = chart1.Series[0];
//Series 2 used secondary YAxis
Series Ser2 = chart1.Series[1];
Random rand = new Random();
double data = 0;
for (int x = 0; x < DataSizeBase; x++)
{
data += rand.NextDouble() - 0.5;
#if BUFFER
Ser2.AddXYBuffered(x, data);
#endif
Ser1.Points.AddXY(x, data);
}
#if BUFFER
Ser2.PlotBufferedData();
#endif
Application.DoEvents();
CheckStopWatch("Plot random datas");
}