public SimpleArrangerSample()
{
InitializeComponent();
// first layer with automatic label positioning
var arranger = new SimpleArranger();
lbls = new ChartLabels()
{
LabelArranger = arranger
};
chart.View.Layers.Add(lbls);
// second layer with user-movable labels
lbls2 = new ChartLabels();
chart.View.Layers.Add(lbls2);
lbls2.LayoutUpdated += new EventHandler(lbls2_LayoutUpdated);
NewData(5);
chart.Actions.Add(new ZoomAction());
chart.Actions.Add(new TranslateAction()
{
Modifiers = ModifierKeys.Shift
});
chart.Actions.Add(new ScaleAction()
{
Modifiers = ModifierKeys.Control
});
chart.MouseLeftButtonDown += new MouseButtonEventHandler(chart_MouseLeftButtonDown);
}
// Add Chart Labels with beginning and ending dates for each data point
// in the Gantt chart. Labels are placed inside on the western edge.
private void AddGanttTaskLabels(C1Chart chart, ChartDataSeriesCollection cdsc)
{
ChartLabels cl = chart.ChartLabels;
cl.DefaultLabelStyle.BackColor = Color.Transparent;
cl.DefaultLabelStyle.GradientStyle = GradientStyleEnum.None;
cl.DefaultLabelStyle.ForeColor = Color.Azure;
cl.DefaultLabelStyle.HorizontalAlignment = AlignHorzEnum.Far;
C1.Win.C1Chart.LabelsCollection clc = cl.LabelsCollection;
clc.Clear();
int slen = cdsc.Count;
for (int s = 0; s < cdsc.Count; s++)
{
ChartDataSeries cds = cdsc[s];
for (int p = 0; p < cds.Length; p++)
{
C1.Win.C1Chart.Label lab = clc.AddNewLabel();
DateTime start = (DateTime)cds.Y[p];
DateTime end = (DateTime)cds.Y1[p];
lab.Text = start.ToString("ddMMM") + "-" + end.ToString("ddMMM");
lab.AttachMethod = AttachMethodEnum.DataIndex;
lab.AttachMethodData.GroupIndex = 0;
lab.AttachMethodData.SeriesIndex = s;
lab.AttachMethodData.PointIndex = p;
lab.Compass = LabelCompassEnum.West;
lab.Offset = 0;
lab.Visible = true;
}
}
}
void CreateLineChart(int npoints)
{
ChartData cd = c1Chart1.ChartGroups[0].ChartData;
cd.SeriesList.Clear();
ChartLabels lbls = c1Chart1.ChartLabels;
lbls.LabelsCollection.Clear();
int[] x = new int[npoints];
int[] y = new int[npoints];
ChartDataSeries ds = cd.SeriesList.AddNewSeries();
ds.SymbolStyle.Shape = SymbolShapeEnum.None;
ds.LineStyle.Color = Color.Blue;
for (int i = 0; i < npoints; i++)
{
x[i] = i;
if (i == 0)
{
y[i] = _rnd.Next(1000);
}
else
{
y[i] = y[i - 1] + (_rnd.Next(1000) - 500) / 3;
}
if (i % 5 == 0)
{
C1.Win.C1Chart.Label lbl = lbls.LabelsCollection.AddNewLabel();
lbl.Text = y[i].ToString();
lbl.AttachMethod = AttachMethodEnum.DataIndex;
lbl.AttachMethodData.GroupIndex = 0;
lbl.AttachMethodData.SeriesIndex = 0;
lbl.AttachMethodData.PointIndex = i;
lbl.Offset = 1;
lbl.Connected = true;
lbl.Style.ForeColor = Color.Red;
lbl.Style.BackColor = Color.White;
lbl.Style.Border.BorderStyle = BorderStyleEnum.Solid;
lbl.Visible = true;
}
}
ds.X.CopyDataIn(x);
ds.Y.CopyDataIn(y);
c1Chart1.ChartArea.AxisX.ScrollBar.Min = 0;
c1Chart1.ChartArea.AxisX.ScrollBar.Max = 499;
c1Chart1.ChartArea.AxisX.ScrollBar.Visible = true;
btnArrangeLine.Enabled = true;
}
private void ZoomChartLabels(ZoomBoundsInfo infos, ChartLabels labels)
{
if (labels == null)
{
return;
}
foreach (Label label in labels.LabelsCollection)
{
ZoomChartLabel(infos, label);
}
}
private void ZoomChartLabels(ZoomFontInfo infos, ChartLabels labels)
{
if (labels == null)
{
return;
}
ZoomStyle(infos, labels.DefaultLabelStyle);
foreach (Label label in labels.LabelsCollection)
{
ZoomChartLabel(infos, label);
}
}
private void btnArrange_Click(object sender, System.EventArgs e)
{
c1Chart1.ChartLabels.AutoArrangement.Options = AutoLabelArrangementOptions.Default;
c1Chart1.ChartLabels.AutoArrangement.Method = AutoLabelArrangementMethodEnum.FindingOptimum;
ChartLabels lbls = c1Chart1.ChartLabels;
foreach (C1.Win.C1Chart.Label lbl in lbls.LabelsCollection)
{
lbl.Compass = LabelCompassEnum.Auto;
}
btnArrange.Enabled = false;
}
public DecimatingArrangerSample()
{
InitializeComponent();
var arranger = new DecimatingLabelArranger();
lbls = new ChartLabels();
chart.View.Layers.Add(lbls);
NewData(2);
cbDecimation.Checked += (s, e) => lbls.LabelArranger = arranger;
cbDecimation.Unchecked += (s, e) => lbls.LabelArranger = null;
}
private void btnArrangeLine_Click(object sender, System.EventArgs e)
{
c1Chart1.ChartLabels.AutoArrangement.Method = C1.Win.C1Chart.AutoLabelArrangementMethodEnum.Decimation;
c1Chart1.ChartLabels.AutoArrangement.Options =
AutoLabelArrangementOptions.Top | AutoLabelArrangementOptions.TopLeft |
AutoLabelArrangementOptions.TopRight;
ChartLabels lbls = c1Chart1.ChartLabels;
foreach (C1.Win.C1Chart.Label lbl in lbls.LabelsCollection)
{
lbl.Compass = LabelCompassEnum.Auto;
}
btnArrangeLine.Enabled = false;
}
public PieArrangerSample()
{
InitializeComponent();
chart.ChartType = ChartType.Pie;
var arranger = new PieArranger();
lbls = new ChartLabels()
{
LabelArranger = arranger
};
chart.View.Layers.Add(lbls);
NewData();
SizeChanged += (s, e) => lbls.EndUpdate();
}
public OptimalArrangerSample()
{
InitializeComponent();
var arranger = new OptimalLabelArranger();
lbls = new ChartLabels()
{
LabelArranger = arranger
};
chart.View.Layers.Add(lbls);
chart.MouseLeftButtonDown += new MouseButtonEventHandler(chart_MouseLeftButtonDown);
NewData(5);
cbHideOutside.Checked += (s, e) => arranger.HideLabelsOutsideBorder = true;
cbHideOutside.Unchecked += (s, e) => arranger.HideLabelsOutsideBorder = false;
}
void CreateScatterChart(int nseries)
{
ChartData cd = c1Chart1.ChartGroups[0].ChartData;
cd.SeriesList.Clear();
ChartLabels lbls = c1Chart1.ChartLabels;
lbls.LabelsCollection.Clear();
for (int i = 0; i < nseries; i++)
{
ChartDataSeries ds = cd.SeriesList.AddNewSeries();
ds.X.Add(_rnd.Next(100));
ds.Y.Add(_rnd.Next(100));
ds.SymbolStyle.Color = GetGradientColor(Color.Red, Color.Blue, i / (nseries - 1.0f));
ds.SymbolStyle.Shape = SymbolShapeEnum.Dot;
C1.Win.C1Chart.Label lbl = lbls.LabelsCollection.AddNewLabel();
lbl.Text = ds.Label;
lbl.AttachMethod = AttachMethodEnum.DataIndex;
lbl.AttachMethodData.GroupIndex = 0;
lbl.AttachMethodData.SeriesIndex = i;
lbl.AttachMethodData.PointIndex = 0;
lbl.Offset = 1;
lbl.Connected = true;
lbl.Style.ForeColor = ds.SymbolStyle.Color;
lbl.Style.BackColor = Color.White;
lbl.Style.Border.BorderStyle = BorderStyleEnum.Solid;
lbl.Visible = true;
}
c1Chart1.ChartArea.AxisX.ScrollBar.Visible = false;
c1Chart1.ChartArea.AxisX.AutoMin = true;
c1Chart1.ChartArea.AxisX.AutoMax = true;
}
//set up chart labels
private void SetUpChart()
{
double[] values = (double[])c1Chart1.ChartGroups.Group0.ChartData.SeriesList[0].Y.CopyDataOut();
Array.Sort(values);
//add the chart labels, they will be positioned later
ChartLabels labels = c1Chart1.ChartLabels;
labels.DefaultLabelStyle.BackColor = c1Chart1.Style.BackColor;
labels.DefaultLabelStyle.Font = new Font("Tahoma", 10, FontStyle.Bold);
C1.Win.C1Chart.Label lab = null;
for (int i = 0; i < 5; i++)
{
lab = labels.LabelsCollection.AddNewLabel();
lab.Text = ZoneText[i];
lab.Size = new Size(100, 22);
lab.Style.BackColor = ZoneColor[i];
lab.AttachMethod = AttachMethodEnum.Coordinate;
lab.Visible = true;
}
PositionLegends();
}
/// <summary>
/// Initializes a new instance of the <see cref="ChartLabelsBuilderBase{TBuilder}" /> class.
/// </summary>
/// <param name="chartLabels">The labels configuration.</param>
public ChartLabelsBuilderBase(ChartLabels chartLabels)
{
labels = chartLabels;
}
private void Form1_Load(object sender, System.EventArgs e)
{
// Size the form to fit any screen
this.ClientSize = new Size(600, 400);
// Center the form
this.CenterToParent();
// Fill the form client area with the chart
c1Chart1.Dock = DockStyle.Fill;
// Get the data arrays and data.
int[] StudentScores = this.GetStudentPointTotals();
int[] StudentNumbers = (int[])Array.CreateInstance(typeof(int), StudentScores.Length);
int nStudents = StudentScores.Length;
int i;
for (i = 0; i < nStudents; i++)
{
StudentNumbers[i] = i;
}
// Get the statistics
double mean = FindMean(StudentScores);
double stddev = FindStdDev(StudentScores, mean);
// Set up the header
c1Chart1.Header.Text = "Student Scores and Grades";
c1Chart1.Header.Style.Font = new Font("Tahoma", 18, FontStyle.Bold);
// Set the background color
c1Chart1.Style.BackColor = Color.FromArgb(128, 192, 150);
// Clear the existing data
c1Chart1.ChartGroups[0].ChartData.SeriesList.Clear();
// Add the data
ChartData data = c1Chart1.ChartGroups[0].ChartData;
ChartDataSeriesCollection series = data.SeriesList;
//plot the student scores
ChartDataSeries StuSeries = series.AddNewSeries();
StuSeries.Label = "raw scores";
StuSeries.LineStyle.Pattern = LinePatternEnum.None;
StuSeries.LineStyle.Color = c1Chart1.Style.BackColor;
StuSeries.SymbolStyle.Shape = SymbolShapeEnum.Star;
StuSeries.SymbolStyle.Color = Color.DarkRed;
StuSeries.X.CopyDataIn(StudentNumbers);
StuSeries.Y.CopyDataIn(StudentScores);
StuSeries = null;
// mean + 2 s
LinePatternEnum [] LinePatterns = new LinePatternEnum[]
{
LinePatternEnum.Dash, LinePatternEnum.DashDot,
LinePatternEnum.Solid,
LinePatternEnum.DashDotDot, LinePatternEnum.Dot
};
for (i = 2; i >= -2; i--)
{
ChartDataSeries StatSeries = series.AddNewSeries();
double [] xd = new double [] { 0, nStudents };
double [] yd = new double [] { mean + i * stddev, mean + i * stddev };
StatSeries.X.CopyDataIn(xd);
StatSeries.Y.CopyDataIn(yd);
StatSeries.SymbolStyle.Shape = SymbolShapeEnum.None;
StatSeries.LineStyle.Pattern = LinePatterns[i + 2];
StatSeries.LineStyle.Color = Color.Black;
StatSeries.LineStyle.Thickness = 1;
if (i > 0)
{
StatSeries.Label = "m+" + i.ToString() + "s";
}
else if (i < 0)
{
StatSeries.Label = "m" + i.ToString() + "s";
}
else
{
StatSeries.Label = "mean";
StatSeries.LineStyle.Thickness = 2;
StatSeries.LineStyle.Pattern = LinePatternEnum.Solid;
}
}
// box the plot area
c1Chart1.ChartArea.PlotArea.Boxed = true;
// Show the legend
c1Chart1.Legend.Visible = true;
// Set the Axis titles
c1Chart1.ChartArea.AxisX.Text = "Student Number";
c1Chart1.ChartArea.AxisY.Text = "Student Accumulated Points";
// sort the student scores so they can be analyzed
Array.Sort(StudentScores);
// Define each of the letter grades
string [] GradeLetter = new String[] { "A", "B", "C", "D", "F" };
// Get the bounds of each letter grade
// At most 95% of the students will not get an A
// At most 75% of the students will not get a B or higher
// At most 25% of the students will not get a C or higher
// At most 5% of the students will not get a D or higher
int [] GradeBounds = new int[]
{
StudentScores[GetBoundingIndex(StudentScores, 0.95)],
StudentScores[GetBoundingIndex(StudentScores, 0.75)],
StudentScores[GetBoundingIndex(StudentScores, 0.25)],
StudentScores[GetBoundingIndex(StudentScores, 0.05)]
};
// get the color codes for each grade
Color [] GradeColor = new Color[]
{
Color.FromArgb(128, 128, 225), Color.FromArgb(128, 255, 128),
Color.FromArgb(255, 228, 128), Color.FromArgb(55, 228, 228),
Color.FromArgb(255, 192, 192)
};
// Add the chart labels. They will be positioned later
ChartLabels labels = c1Chart1.ChartLabels;
labels.DefaultLabelStyle.BackColor = c1Chart1.Style.BackColor;
labels.DefaultLabelStyle.Font = new Font("Courier New", 16, FontStyle.Bold);
C1.Win.C1Chart.Label lab = null;
for (i = 0; i < 5; i++)
{
lab = labels.LabelsCollection.AddNewLabel();
lab.Text = GradeLetter[i];
lab.Style.BackColor = GradeColor[i];
lab.AttachMethod = AttachMethodEnum.Coordinate;
lab.Visible = true;
}
// Below are calculations and settings that depend upon auto
// positioning of the chart. The auto positions are only
// calculated during rendering of the chart. Force the
// chart to be rendered so the chart element positions are
// calculated.
// Force calculation of chart element positions
c1Chart1.GetImage();
// Add and show the alarm zones
AlarmZonesCollection zones = c1Chart1.ChartArea.PlotArea.AlarmZones;
for (i = 0; i < 5; i++)
{
AlarmZone zone = zones.AddNewZone();
zone.Name = GradeLetter[i];
zone.BackColor = GradeColor[i];
if (i == 0)
{
zone.UpperExtent = c1Chart1.ChartArea.AxisY.Max;
}
else
{
zone.UpperExtent = zones[i - 1].LowerExtent;
}
if (i == 4)
{
zone.LowerExtent = c1Chart1.ChartArea.AxisY.Min;
}
else
{
zone.LowerExtent = GradeBounds[i];
}
zone.Visible = true;
}
PositionLegends();
}
