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Dynamic Color Threshold

Demonstrates using different dynamic image color tolerance settings and their effects.

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

<%@ Register TagPrefix="dotnet" 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 using different dynamic image color tolerance settings and their effects.

Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Palette = new Color[] { Color.FromArgb(255, 255, 0), Color.FromArgb(255, 99, 49), Color.FromArgb(0, 156, 255) };
Chart.TitleBox.Position = TitleBoxPosition.FullWithLegend;

Chart.Type = ChartType.Combo;
Chart.Size = "600x350";
Chart.Title = ".netCHARTING Dynamic Color Tolerance";

// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Help File > Getting Started > Data Tutorials
// - DataEngine Class in the help file
// - Sample: features/DataEngine.aspx

SeriesCollection mySC = getRandomData();
Chart.DefaultSeries.Type = SeriesType.Marker;

// Add the random data.
Chart.SeriesCollection.Add(mySC);
Chart.DefaultElement.Marker = new ElementMarker("../../images/shieldBlurred.png");
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127);

mySC[0][0].Marker.DynamicImageColorTolerance = 0;
mySC[0][1].Marker.DynamicImageColorTolerance = 10;
mySC[0][2].Marker.DynamicImageColorTolerance = 20;
mySC[0][3].Marker.DynamicImageColorTolerance = 30;
mySC[0][4].Marker.DynamicImageColorTolerance = 40;
mySC[0][5].Marker.DynamicImageColor = Color.Empty;
mySC[0][5].Name = "Original";

}

SeriesCollection getRandomData()
{
Random myR = new Random(3);
SeriesCollection SC = new SeriesCollection();
for (int a = 1; a < 2; a++)
{
Series s = new Series("Series " + a.ToString());
for (int b = 1; b < 7; b++)
{
Element e = new Element("Tolerance " + ((b-1)*10).ToString());
e.YValue = myR.Next(50);
s.Elements.Add(e);
}
SC.Add(s);
}
return SC;
}

SeriesCollection getLiveData()
{
DataEngine de = new DataEngine("ConnectionString goes here");
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">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

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

<%@ Register TagPrefix="dotnet" 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 using different dynamic image color tolerance settings and their effects.

Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Palette = New Color() { Color.FromArgb(255, 255, 0), Color.FromArgb(255, 99, 49), Color.FromArgb(0, 156, 255) }
Chart.TitleBox.Position = TitleBoxPosition.FullWithLegend

Chart.Type = ChartType.Combo
Chart.Size = "600x350"
Chart.Title = ".netCHARTING Dynamic Color Tolerance"

' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Help File > Getting Started > Data Tutorials
' - DataEngine Class in the help file
' - Sample: features/DataEngine.aspx

Dim mySC As SeriesCollection = getRandomData()
Chart.DefaultSeries.Type = SeriesType.Marker

' Add the random data.
Chart.SeriesCollection.Add(mySC)
Chart.DefaultElement.Marker = New ElementMarker("../../images/shieldBlurred.png")
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127)

mySC(0)(0).Marker.DynamicImageColorTolerance = 0
mySC(0)(1).Marker.DynamicImageColorTolerance = 10
mySC(0)(2).Marker.DynamicImageColorTolerance = 20
mySC(0)(3).Marker.DynamicImageColorTolerance = 30
mySC(0)(4).Marker.DynamicImageColorTolerance = 40
mySC(0)(5).Marker.DynamicImageColor = Color.Empty
mySC(0)(5).Name = "Original"

End Sub

Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(3)
Dim SC As SeriesCollection = New SeriesCollection()
For a As Integer = 1 To 1
Dim s As Series = New Series("Series " & a.ToString())
For b As Integer = 1 To 6
Dim e As Element = New Element("Tolerance " & ((b-1)*10).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("ConnectionString goes here")
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">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenameDynamicColorThreshold.aspx
Version4.3
Uses DatabaseNo

JS Charting

Gallery

Dynamic Color Threshold