private void GatherData(object sender, DoWorkEventArgs e)
{
var readDataStream = new System.IO.StreamReader(filePath, Encoding.UTF8);
while (true)
{
Thread.Sleep(100); // can use to change the poltting rate
//Generate a test trace: an upward spiral with square corners
#region old test code
//double t = stopwatch.Elapsed.TotalSeconds * 0.25;
//double sint = Math.Sin(t);
//double cost = Math.Cos(t);
//double x, y, z = t * 0.5;
//Color color;
//if (sint > 0.0 && cost > 0.0)
//{
// if (sint > cost)
// {
// x = 100.0;
// y = 70.71 * cost + 50.0;
// }
// else
// {
// x = 70.71 * sint + 50.0;
// y = 100.0;
// }
// color = Colors.Red;
//}
//else if (sint < 0.0 && cost < 0.0)
//{
// if (sint < cost)
// {
// x = 0.0;
// y = 70.71 * cost + 50.0;
// }
// else
// {
// x = 70.71 * sint + 50.0;
// y = 0.0;
// }
// color = Colors.Red;
//}
//else
//{
// x = 50.0 * sint + 50.0;
// y = 50.0 * cost + 50.0;
// color = Colors.Blue;
//}
#endregion old test code
List <Point3DPlus> points = new List <Point3DPlus>();
Color color = Colors.Black;
double x = 0, y = 0, z = 0;
const int addPointSum = 50; //can use to change the poltting rate
for (int i = 0; i < addPointSum; i++)
{
if (readDataStream.EndOfStream)
{
break;
}
var readDataLine = readDataStream.ReadLine();
var readDataNumbers = readDataLine.Split(' ');
try
{
x = Convert.ToDouble(readDataNumbers[0]);
y = Convert.ToDouble(readDataNumbers[1]);
if (readDataNumbers.Length >= 3)
{
z = Convert.ToDouble(readDataNumbers[2]);
}
else
{
z = 0;
}
}
catch
{
System.Windows.MessageBox.Show("Data format is error. The format is 'x y z'.", "Error", MessageBoxButton.OK,
MessageBoxImage.Error);
Environment.Exit(-1);
}
var point = new Point3DPlus(new Point3D(x, y, z), color, 1.5);
points.Add(point);
}
bool invoke = false;
if (points.Count > 0)
{
pointsList.Enqueue(points);
invoke = true;
}
if (invoke)
{
Dispatcher.BeginInvoke(DispatcherPriority.Background, (Action)PlotData);
}
}
}
private void AddPoint(Point3DPlus point)
{
plot.AddPoint(point.point, point.color, point.thickness);
}
public void MoveTo(double x, double y, double z)
{
var point = new Point3DPlus(new Point3D(x, y, z), color, 0);
AddPoint(point);
}
public void AddPoint(double x, double y, double z)
{
var point = new Point3DPlus(new Point3D(x, y, z), color, 1.5);
AddPoint(point);
}
