/// <summary>
/// Update the <see cref="chart_filters"/> to reflect the gains of the filters.
/// </summary>
/// <seealso cref="UpdateAll"/>
private void UpdateEqualizerGraph()
{
//
// update the series
//
// get the list of filters
SortedList <double, Filter> filters = eqAPI.GetFilters();
// update the equalizer series
chart_filters.Series.Clear();
System.Windows.Forms.DataVisualization.Charting.Series series =
chart_filters.Series.Add("frequencies");
foreach (System.Collections.Generic.KeyValuePair <double, Filter> pair in filters)
{
Filter filter = pair.Value;
series.Points.Add(filter.Gain);
}
//
// change the equalizer graph visually
//
// make it a line graph instead of bar graph
series.ChartType =
System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
// set the range of the axis
double gainMax = equalizerapo_api.GAIN_MAX;
System.Windows.Forms.DataVisualization.Charting.Axis yaxis =
chart_filters.ChartAreas["ChartArea1"].AxisY;
System.Windows.Forms.DataVisualization.Charting.Axis xaxis =
chart_filters.ChartAreas["ChartArea1"].AxisX;
yaxis.Interval = gainMax / 3;
yaxis.Minimum = -gainMax;
yaxis.Maximum = gainMax;
xaxis.Minimum = 1;
xaxis.Maximum = filters.Count;
// make grid lines lighter
xaxis.MajorGrid.LineColor = Color.LightGray;
yaxis.MajorGrid.LineColor = Color.LightGray;
// make graph easier to see
series.BorderWidth = 3;
}
void ChartAreas(RootObject root)
{
var axisX = new System.Windows.Forms.DataVisualization.Charting.Axis
{
Interval = 30,
Title = "Minutes Since Day Open",
};
var axisY = new System.Windows.Forms.DataVisualization.Charting.Axis
{
Minimum = root.ranges.close.min,
Maximum = root.ranges.close.max,
Title = "Stock Price",
};
var chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea
{
AxisX = axisX,
AxisY = axisY,
};
this.chart1.ChartAreas.Add(chartArea1);
}
private void Set_Plot_Axes(string min, string max, System.Windows.Forms.DataVisualization.Charting.Axis axis)
{
double min_val, max_val;
if (min != "")
{
if (!double.TryParse(min, out min_val))
{
MessageBox.Show("Error - " + min + " is not a valid format for axis plotting");
}
else
{
axis.Minimum = min_val;
}
}
else
{
axis.Minimum = double.NaN;
}
if (max != "")
{
if (!double.TryParse(max, out max_val))
{
MessageBox.Show("Error - " + max + " is not a valid format for axis plotting");
}
else
{
axis.Maximum = max_val;
}
}
else
{
axis.Maximum = double.NaN;
}
}
private void ChartAreas()
{
var axisX = new System.Windows.Forms.DataVisualization.Charting.Axis
{
Interval = 1,
};
double min = double.MaxValue;
double max = 0;
if (points.Count > 0)
{
//min = (int)points.Min();
//max = (int)points.Max();
}
min = -0.1;
max = 0.1;
foreach (snapShot s in snapShots)
{
foreach (coinData c in s.coins)
{
if (c.fiveMin > max)
{
max = Math.Round((double)c.fiveMin, 2);
}
if (c.fiveMin < min && c.fiveMin > 0)
{
min = Math.Round((double)c.fiveMin, 2);
}
}
}
//min = -1;
//max = 1;
var axisY = new System.Windows.Forms.DataVisualization.Charting.Axis
{
Minimum = min,
Maximum = max,
Title = "% gain BTC",
};
var chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea
{
AxisX = axisX,
AxisY = axisY,
};
chartArea1.AxisX.LabelStyle.Format = "dd/MMM\nhh:mm";
//chartArea1.AxisX.LabelStyle.Format = "hh:mm";
chartArea1.AxisX.MajorGrid.Enabled = false;
chartArea1.AxisY.MajorGrid.Enabled = false;
chartArea1.AxisX.LabelStyle.Enabled = false;
this.chart1.ChartAreas.Clear();
this.chart1.ChartAreas.Add(chartArea1);
}