private void InitializeRadarChart()
{
this.radChartView3.AreaType = ChartAreaType.Polar;
this.radChartView3.Axes.Add(new PolarAxis());
PolarArea area = this.radChartView3.Area as PolarArea;
PolarAxis polarAxis = area.Axes.Get <PolarAxis>()[0];
polarAxis.Minimum = 0d;
polarAxis.Maximum = 5d;
polarAxis.TickLength = 5;
area.ShowGrid = true;
PolarGrid grid = (PolarGrid)area.Grid;
grid.DrawPolarFills = false;
grid.DrawRadialFills = false;
grid.BackColor = Color.LightGray;
grid.BackColor2 = Color.LightGray;
int valuesPerSeries = 8;
List <RadarSeries> radarSeries = new List <RadarSeries>();
RadarLineSeries radarLineSeries1 = new RadarLineSeries();
radarLineSeries1.PolarAxis = polarAxis;
RadarLineSeries radarLineSeries2 = new RadarLineSeries();
radarLineSeries2.PolarAxis = polarAxis;
RadarAreaSeries radarAreaSeries1 = new RadarAreaSeries();
radarAreaSeries1.PolarAxis = polarAxis;
radarSeries.Add(radarLineSeries1);
radarSeries.Add(radarLineSeries2);
radarSeries.Add(radarAreaSeries1);
for (int i = 0; i < radarSeriesValues.Length; i++)
{
int seriesNumber = i / valuesPerSeries;
radarSeries[seriesNumber].DataPoints.Add(new CategoricalDataPoint(radarSeriesValues[i]));
}
radarLineSeries1.PointSize = new SizeF(1f, 1f);
radarLineSeries2.PointSize = new SizeF(1f, 1f);
radarAreaSeries1.PointSize = new SizeF(1f, 1f);
this.radChartView3.Series.Add(radarAreaSeries1);
this.radChartView3.Series.Add(radarLineSeries2);
this.radChartView3.Series.Add(radarLineSeries1);
this.radChartView3.View.Margin = new Padding(20);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
RadarLineSeries hotel1DataList = new RadarLineSeries(new SizeF(6f, 6f));
RadarLineSeries hotel2DataList = new RadarLineSeries(new SizeF(6f, 6f));
RadarLineSeries hotel3DataList = new RadarLineSeries(new SizeF(6f, 6f));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.1d, "Price"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.5d, "Accommodation"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.8d, "Cleanness"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(4.5d, "Bar/Cafe"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.5d, "Restaurant"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.6d, "Spa center"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.0d, "Kids facilities"));
hotel1DataList.DataPoints.Add(new CategoricalDataPoint(3.3d, "Overall"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(3.8d, "Price"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(4.5d, "Accommodation"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(4.3d, "Cleanness"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(3.8d, "Bar/Cafe"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(4.7d, "Restaurant"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(3.9d, "Spa center"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(3.8d, "Kids facilities"));
hotel2DataList.DataPoints.Add(new CategoricalDataPoint(4.0d, "Overall"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(4.6d, "Price"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(4.3d, "Accommodation"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(4.7d, "Cleanness"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(3.5d, "Bar/Cafe"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(3.9d, "Restaurant"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(3.2d, "Spa center"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(4.0d, "Kids facilities"));
hotel3DataList.DataPoints.Add(new CategoricalDataPoint(4.8d, "Overall"));
this.radChartView1.Series.Add(hotel1DataList);
this.radChartView1.Series.Add(hotel2DataList);
this.radChartView1.Series.Add(hotel3DataList);
hotel1DataList.BorderWidth = 2f;
hotel2DataList.BorderWidth = 2f;
hotel3DataList.BorderWidth = 2f;
hotel1DataList.PolarAxis.Minimum = 0d;
hotel1DataList.PolarAxis.Maximum = 5d;
hotel1DataList.PolarAxis.TickLength = 5;
hotel1DataList.RadialAxis.TickLength = 0;
PolarArea area = this.radChartView1.Area as PolarArea;
area.ShowGrid = true;
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
this.set = new DataSet();
DataTable cardioid = new DataTable("Cardioid");
cardioid.Columns.Add("Value", typeof(double));
cardioid.Columns.Add("Angle", typeof(double));
DataTable shotgunFront = new DataTable("ShotgunFront");
shotgunFront.Columns.Add("Value", typeof(double));
shotgunFront.Columns.Add("Angle", typeof(double));
DataTable shotgunSide = new DataTable("ShotgunSide");
shotgunSide.Columns.Add("Value", typeof(double));
shotgunSide.Columns.Add("Angle", typeof(double));
set.Tables.Add(cardioid);
set.Tables.Add(shotgunFront);
set.Tables.Add(shotgunSide);
int count = 720;
double angleStep = 2 * Math.PI / count;
for (int i = 0; i < count; i++)
{
double factor = i > 0.25 * count && i < 0.75 * count ? 0.7 : 1;
double angle = i * angleStep;
cardioid.Rows.Add(0.5 + 0.5 * (Math.Cos(angle)), angle * 180 / Math.PI);
shotgunFront.Rows.Add(factor * Math.Pow(Math.Abs(Math.Cos(angle)), 8), angle * 180 / Math.PI);
shotgunSide.Rows.Add(0.48 * Math.Pow(Math.Abs(Math.Sin(angle)), 20), angle * 180 / Math.PI);
}
this.BindChartToLineSeries();
this.radChartView1.DataSource = this.set;
PolarArea area = this.radChartView1.Area as PolarArea;
area.StartAngle = 90;
area.ShowGrid = true;
}