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Radar Quadrants

Demonstrates dividing a radar graph into quadrants.

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<%@ Page Language="C#" Description="dotnetCHARTING Component" %>

<%@ Register TagPrefix="dnc" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>

<script runat="server">

void Page_Load(Object sender, EventArgs e)
{
// Demonstrates dividing a radar graph into quadrants.

Chart.Size = "600x350";
//Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp";
Chart.Type = ChartType.Radar;
Chart.Debug = true;
Chart.XAxis.Scale = Scale.Normal;
Chart.LegendBox.Position = LegendBoxPosition.BottomMiddle;
// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Use the getLiveData() method using the dataEngine to query a database.
// - Help File > Getting Started > Data Tutorials
// - DataEngine Class in the help file
// - Sample: features/DataEngine.aspx

SeriesCollection mySC = getRandomData();

// This sample works by using a numeric x axis but overwriting each value with an element name.
foreach (Element el in mySC[0].Elements)
Chart.XAxis.ExtraTicks.Add(new AxisTick(el.XValue, el.Name));

// By doing so, a new axis tick can be added any any particular position on the axis by specifying the axis value.
addQuadrantTick(1.5, "Quadrant 1");
addQuadrantTick(3.5, "Quadrant 2");
addQuadrantTick(5.5, "Quadrant 3");
addQuadrantTick(7.5, "Quadrant 4");

// Add the random data.
Chart.SeriesCollection.Add(mySC);
}

void addQuadrantTick(double val, string name)
{
AxisTick at = new AxisTick(val, name);
at.Line.Length = 5;
at.Label.Font = new Font("Arial", 8, FontStyle.Bold);
at.GridLine.Width = 2;
at.GridLine.Color = Color.Black;
Chart.XAxis.ExtraTicks.Add(at);
}

SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
for (int a = 1; a < 3; a++)
{
int i = 0;
Series s = new Series("Series " + a.ToString());
for (int b = 1; b < 9; b++)
{
Element e = new Element("E " + b.ToString());
e.XValue = i++;
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}

SeriesCollection getLiveData()
{
DataEngine de = new DataEngine("ConnectionString goes here");
de.ChartObject = Chart; // Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ....";
return de.GetSeries();
}

</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dnc:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

<%@ Page Language="vb" Description="dotnetCHARTING Component" %>

<%@ Register TagPrefix="dnc" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING.Mapping" %>

<script runat="server">

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates dividing a radar graph into quadrants.

Chart.Size = "600x350"
'Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp"
Chart.Type = ChartType.Radar
Chart.Debug = True
Chart.XAxis.Scale = Scale.Normal
Chart.LegendBox.Position = LegendBoxPosition.BottomMiddle
' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Use the getLiveData() method using the dataEngine to query a database.
' - Help File > Getting Started > Data Tutorials
' - DataEngine Class in the help file
' - Sample: features/DataEngine.aspx

Dim mySC As SeriesCollection = getRandomData()

' This sample works by using a numeric x axis but overwriting each value with an element name.
For Each el As Element In mySC(0).Elements
Chart.XAxis.ExtraTicks.Add(New AxisTick(el.XValue, el.Name))
Next el

' By doing so, a new axis tick can be added any any particular position on the axis by specifying the axis value.
addQuadrantTick(1.5, "Quadrant 1")
addQuadrantTick(3.5, "Quadrant 2")
addQuadrantTick(5.5, "Quadrant 3")
addQuadrantTick(7.5, "Quadrant 4")

' Add the random data.
Chart.SeriesCollection.Add(mySC)
End Sub

Sub addQuadrantTick(ByVal val As Double, ByVal name As String)
Dim at As AxisTick = New AxisTick(val, name)
at.Line.Length = 5
at.Label.Font = New Font("Arial", 8, FontStyle.Bold)
at.GridLine.Width = 2
at.GridLine.Color = Color.Black
Chart.XAxis.ExtraTicks.Add(at)
End Sub

Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(1)
Dim SC As SeriesCollection = New SeriesCollection()
For a As Integer = 1 To 2
Dim i As Integer = 0
Dim s As Series = New Series("Series " & a.ToString())
For b As Integer = 1 To 8
Dim e As Element = New Element("E " & b.ToString())
e.XValue = i
i += 1
e.YValue = myR.Next(50)
s.Elements.Add(e)
Next b
SC.Add(s)
Next a
Return SC
End Function

Function getLiveData() As SeriesCollection
Dim de As DataEngine = New DataEngine("ConnectionString goes here")
de.ChartObject = Chart ' Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ...."
Return de.GetSeries()
End Function

</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
</head>
<body>
<div align="center">
<dnc:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenameRadarQuadrants.aspx
Version5.3
Uses DatabaseNo

JS Charting

Gallery

Radar Quadrants