public MainWindowModel()
{
Values = new ChartValues <DateTimePoint>();
var trend = 50d;
var random = new Random();
var timeStep = DateTime.Now;
for (var i = 0; i < 500; i++)
{
timeStep = timeStep.AddHours(1);
Values.Add(new DateTimePoint(timeStep.AddDays(i * 10), trend));
if (random.NextDouble() > 0.4)
{
trend += random.NextDouble() * 10;
}
else
{
trend -= random.NextDouble() * 10;
}
}
Formatter = x => new DateTime((long)x).ToString("yyyy");
From = Values.Min(x => x.DateTime).Ticks;
To = DateTime.Now.AddHours(90000).Ticks;
}
private void BuildHistogram()
{
var max = Math.Ceiling(ChartValues.Max(p => p.TotDouble));
var min = Math.Floor(ChartValues.Min(p => p.TotDouble));
var binSize = max / 100;
var histValues = new Dictionary <string, int>();
for (var i = min; i < max; i += binSize)
{
histValues.Add(i + " - " + (i + binSize), ChartValues.Count(v => v.TotDouble > i && v.TotDouble <= i + binSize));
}
sizeChart.Series.Clear();
sizeChart.AxisY.Clear();
sizeChart.Series = new SeriesCollection
{
new RowSeries
{
Values = new ChartValues <int>(histValues.Values)
}
};
sizeChart.AxisY.Add(new Axis
{
Labels = histValues.Keys.ToList()
});
}
public GoldGraph()
{
InitializeComponent();
Timer.Interval = TimeSpan.FromMinutes(2);
Timer.Tick += TimerTick;
Values = new ChartValues <double> {
0, 0.5, 2, 0.8, 4, 3.6, 1, -2, 2, 1.4, -2.3, -4, -6, -7.5, -10.8
};
GoldDifference.Labels = new[] { $"{Values.Min()}", "0", $"{Values.Max()}" };
Minutes.Labels = new[] { "0", "2", "4", "6", "8", "10", "12", "14", "16", "18", "20", "22", "24", "26", "28", "30", "32", "34", "36", "38", "40", "42", "44", "46", "48", "50" };
DataContext = this;
//Timer.Start();
//TimerTick(null, null);
}
