Gallery

Gallery > Visual Effects

Dynamic Color Threshold 2

Demonstrates the behavior variable transparency of the dynamic color on custom images.

Download Show C# Code Show VB Code

<%@ 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 the behavior variable transparency of the dynamic color on custom images.

Chart.TempDirectory = "temp";
Chart.Debug = true;

Chart.Type = ChartType.Combo;
Chart.Size = "600x350";
Chart.Title = ".netCHARTING Dynamic Color with variable transparency";

// *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/fade.png");
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127);
Chart.DefaultSeries.LegendEntry.Marker = new ElementMarker("../../images/fade.png");
Chart.DefaultSeries.LegendEntry.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127);

foreach(Series s in mySC)
{
s.LegendEntry.Marker = new ElementMarker("../../images/fade.png");
s.LegendEntry.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127);
}

}

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 < 5; 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("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 the behavior variable transparency of the dynamic color on custom images.

Chart.TempDirectory = "temp"
Chart.Debug = True

Chart.Type = ChartType.Combo
Chart.Size = "600x350"
Chart.Title = ".netCHARTING Dynamic Color with variable transparency"

' *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/fade.png")
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127)
Chart.DefaultSeries.LegendEntry.Marker = New ElementMarker("../../images/fade.png")
Chart.DefaultSeries.LegendEntry.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127)

For Each s As Series In mySC
s.LegendEntry.Marker = New ElementMarker("../../images/fade.png")
s.LegendEntry.Marker.DynamicImageColor = Color.FromArgb(6, 0, 127)
Next s

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 4
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("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 FilenameDynamicColorThreshold2.aspx
Version4.3
Uses DatabaseNo

JS Charting

Gallery

Dynamic Color Threshold 2