public override void Initialize()
{
base.Initialize();
m_Chart = nChartControl1.Charts[0];
m_Chart.Axis(StandardAxis.Depth).Visible = false;
m_Bar = (NBarSeries)m_Chart.Series.Add(SeriesType.Bar);
m_Bar.Values.FillRandom(Random, 10);
m_Bar.Legend.Mode = SeriesLegendMode.None;
m_Subset.AddRange(0, 9);
Subset.Text = m_Subset.ToString();
FunctionCombo.SelectedIndex = 0;
ApplyColorToSubset();
// add a label
NLabel title = nChartControl1.Labels.AddHeader("Evaluating data");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 20, FontStyle.Italic);
title.TextStyle.FillStyle = new NColorFillStyle(Color.MidnightBlue);
title.TextStyle.ShadowStyle.Type = ShadowType.Solid;
title.TextStyle.ShadowStyle.Color = Color.White;
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
}
private void Filter(NBarSeries bar)
{
NDataSeriesSubset subsetAll = new NDataSeriesSubset();
NDataSeriesSubset subsetFilter = new NDataSeriesSubset();
subsetAll.AddRange(0, bar.Values.Count - 1);
try
{
double dValue = Double.Parse(ValueTextBox.Text);
Nevron.Chart.CompareMethod method = (Nevron.Chart.CompareMethod)FilterDropDownList.SelectedIndex;
subsetFilter = bar.Values.Filter(method, dValue);
// apply red color only to the bars in the filter subset
foreach (int index in subsetFilter)
{
bar.FillStyles[index] = new NColorFillStyle(Color.Red);
}
}
catch
{
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
FunctionDropDownList.Items.Add("MIN");
FunctionDropDownList.Items.Add("MAX");
FunctionDropDownList.Items.Add("AVE");
FunctionDropDownList.Items.Add("SUM");
FunctionDropDownList.Items.Add("ABSSUM");
FunctionDropDownList.Items.Add("FIRST");
FunctionDropDownList.Items.Add("LAST");
FunctionDropDownList.SelectedIndex = 0;
}
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// add header
NLabel header = nChartControl1.Labels.AddHeader("Evaluating Data");
header.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
header.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
header.TextStyle.FillStyle = new NColorFillStyle(Color.FromArgb(60, 90, 108));
header.ContentAlignment = ContentAlignment.BottomRight;
header.Location = new NPointL(
new NLength(2, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// configure the legend
nChartControl1.Legends.Clear();
// setup the chart
NChart chart = nChartControl1.Charts[0];
chart.Axis(StandardAxis.Depth).Visible = false;
chart.BoundsMode = BoundsMode.Stretch;
chart.Location = new NPointL(
new NLength(5, NRelativeUnit.ParentPercentage),
new NLength(15, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(
new NLength(90, NRelativeUnit.ParentPercentage),
new NLength(80, NRelativeUnit.ParentPercentage));
NBarSeries bar = (NBarSeries)chart.Series.Add(SeriesType.Bar);
bar.Values.FillRandom(Random, 10);
NDataSeriesSubset subset = new NDataSeriesSubset();
subset.AddRange(0, 9);
string function = FunctionDropDownList.SelectedItem.Text;
double result = bar.Values.Evaluate(function, subset);
ResultTextBox.Text = result.ToString();
}
private void ResetFilter()
{
m_SubsetAll.Clear();
m_SubsetFilter.Clear();
if (m_Bar.Values.Count > 0)
{
m_SubsetAll.AddRange(0, m_Bar.Values.Count - 1);
m_SubsetFilter.AddRange(0, m_Bar.Values.Count - 1);
}
OperationList.Items.Clear();
OperationList.Items.Add("f = all");
CurrentFilter.Text = m_SubsetFilter.ToString();
ApplyColorToSubset(m_SubsetFilter, Color.Red);
}
private void SetConstline(NDataSeriesDouble ds)
{
NAxis axis = m_Chart.Axis(StandardAxis.PrimaryY);
// add a constline if necessary
if (axis.ConstLines.Count == 0)
{
axis.ConstLines.Add();
}
// the line series won't be used
m_Line.Visible = false;
// add a new constline
NAxisConstLine cl = (NAxisConstLine)axis.ConstLines[0];
cl.StrokeStyle.Width = new NLength(3, NGraphicsUnit.Pixel);
cl.StrokeStyle.Color = Color.Green;
cl.Value = (double)ds.GetValueForIndex(0);
string text = cl.Value.ToString();
if (text.Length > 7)
{
text = text.Substring(0, 7);
}
/* NAxisCustomLabel axisLabel = axis.CustomLabels.Add();
* axisLabel.Offset = 3;
* axisLabel.TextStyle.BackplaneStyle.Visible = true;
* axisLabel.Angle = 180;
* axisLabel.Text = text;
* axisLabel.Value = cl.Value;*/
// set proper scale for the axis, so that it includes the constline
NDataSeriesSubset subset = new NDataSeriesSubset();
subset.AddRange(0, ds.Count - 1);
double max1 = m_Line1.Values.Evaluate("MAX", subset);
double min1 = m_Line1.Values.Evaluate("MIN", subset);
double max2 = m_Line2.Values.Evaluate("MAX", subset);
double min2 = m_Line2.Values.Evaluate("MIN", subset);
if (max1 < max2)
{
max1 = max2;
}
if (min1 > min2)
{
min1 = min2;
}
if (cl.Value > max1)
{
axis.View = new NRangeAxisView(new NRange1DD(double.MinValue, cl.Value), false, true);
}
else if (cl.Value < min1)
{
axis.View = new NRangeAxisView(new NRange1DD(cl.Value, double.MaxValue), true, false);
}
}