Mul SRCol Swatch
Demonstrates a treeMap chart with a multi-color smart range colors and a color swatch.
<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dnc" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Demonstrates a treeMap chart with a multi-color smart range colors and a color swatch.
Chart.Size = "600x320";
//Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Type = ChartType.TreeMap;
Chart.LegendBox.Visible = false;
Chart.DefaultSeries.Box.Header.Label.Text = "%Name";
Chart.DefaultSeries.Box.Header.VerticalAlignment = EdgeAlignment.Outside;
// *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();
Chart.SmartPalette.Add("*",new SmartColor(Color.Green, Color.Yellow, new ScaleRange(0, 20), ElementValue.YValue));
Chart.SmartPalette.Add("*", new SmartColor(Color.Yellow, Color.Red, new ScaleRange(20, 50), ElementValue.YValue));
// Add swatch in annotation.
Annotation an = new Annotation(getSwatchA( Chart.SmartPalette, 10, true));
an.Size = new Size(20, 0);
an.DefaultCorner = BoxCorner.Square;
an.ClearColors();
an.Position = new Point(580, 32);
Chart.Annotations.Add(an);
// Add the random data.
Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
for (int a = 1; a < 5; a++)
{
Series s = new Series("Series " + a.ToString());
for (int b = 1; b < 35; b++)
{
Element e = new Element("Element " + b.ToString());
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}
SeriesCollection getLiveData()
{
DataEngine de = new DataEngine(ConfigurationManager.AppSettings["DNCConnectionString"]);
de.ChartObject = Chart; // Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ....";
return de.GetSeries();
}
string getSwatchA( SmartPalette sp, int divisions, bool withValues)
{
// Get Maximum Value of the smart palette range
double max = (double)sp.GetScaleRange("*").ValueHigh;
string swatch = "";
// Generate swatch string for each division.
for (int i = 0; i <= divisions; i++)
{
// Get the color of the current division.
string color = getHTMLColor(sp.GetValueColor("", (i * (max / divisions))));
if (withValues)
swatch += "<block bgColor='" + color + "'>" + (int)(i * (max / divisions)) + "<row>";
else
swatch += "<block bgColor='" + color + "' fColor='Transparent'>__<row>";
}
//return the swatch string.
return swatch;
}
string getHTMLColor(Color c)
{
return "#" + c.R.ToString("X2") + c.G.ToString("X2") + c.B.ToString("X2");
}
</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" %>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates a treeMap chart with a multi-color smart range colors and a color swatch.
Chart.Size = "600x320"
'Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Type = ChartType.TreeMap
Chart.LegendBox.Visible = False
Chart.DefaultSeries.Box.Header.Label.Text = "%Name"
Chart.DefaultSeries.Box.Header.VerticalAlignment = EdgeAlignment.Outside
' *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()
Chart.SmartPalette.Add("*",New SmartColor(Color.Green, Color.Yellow, New ScaleRange(0, 20), ElementValue.YValue))
Chart.SmartPalette.Add("*", New SmartColor(Color.Yellow, Color.Red, New ScaleRange(20, 50), ElementValue.YValue))
' Add swatch in annotation.
Dim an As Annotation = New Annotation(getSwatchA(Chart.SmartPalette, 10, True))
an.Size = New Size(20, 0)
an.DefaultCorner = BoxCorner.Square
an.ClearColors()
an.Position = New Point(580, 32)
Chart.Annotations.Add(an)
' Add the random data.
Chart.SeriesCollection.Add(mySC)
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 4
Dim s As Series = New Series("Series " & a.ToString())
For b As Integer = 1 To 34
Dim e As Element = New Element("Element " & b.ToString())
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(ConfigurationManager.AppSettings("DNCConnectionString"))
de.ChartObject = Chart ' Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ...."
Return de.GetSeries()
End Function
Function getSwatchA(ByVal sp As SmartPalette, ByVal divisions As Integer, ByVal withValues As Boolean) As String
' Get Maximum Value of the smart palette range
Dim max As Double = CDbl(sp.GetScaleRange("*").ValueHigh)
Dim swatch As String = ""
' Generate swatch string for each division.
For i As Integer = 0 To divisions
' Get the color of the current division.
Dim color As String = getHTMLColor(sp.GetValueColor("", (i * (max / divisions))))
If withValues Then
swatch &= "<block bgColor='" & color & "'>" & CInt(Fix(i * (max / divisions))) & "<row>"
Else
swatch &= "<block bgColor='" & color & "' fColor='Transparent'>__<row>"
End If
Next i
'return the swatch string.
Return swatch
End Function
Function getHTMLColor(ByVal c As Color) As String
Return "#" & c.R.ToString("X2") + c.G.ToString("X2") + c.B.ToString("X2")
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>
Previous