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Gauge Linear Dynamic Color Markers

Demonstrates linear horizontal gauges with custom image markers employing DynamicColors.

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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 linear horizontal gauges with custom image markers employing DynamicColors.

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

Chart.Type = ChartType.Gauges;
Chart.Size = "350x200";
//Chart.Title = ".netCHARTING Sample";
Chart.ShadingEffectMode = ShadingEffectMode.Three;

Chart.ChartArea.Padding = 10;
Chart.Margin = "-5";
Chart.LegacyMode = true;
//Chart.ChartArea.ClearColors();
Chart.ChartArea.Background.Color = Color.Empty;
Chart.ChartArea.Line.Color = Color.Empty;
Chart.ChartArea.Shadow.Color = Color.Empty;

Chart.DefaultSeries.GaugeBorderBox.DefaultCorner = BoxCorner.Round;
Chart.DefaultSeries.GaugeBorderShape = GaugeBorderShape.UseBox;
Chart.DefaultSeries.Type = SeriesType.Marker;
Chart.DefaultElement.Marker = new ElementMarker("../../images/pointerMarker.gif");
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6,0,127);

Chart.YAxis.Orientation = dotnetCHARTING.Orientation.Top;
// *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.DefaultElement.ShowValue = true;
// Chart.DefaultElement.SmartLabel.Alignment = LabelAlignment.Bottom;
// Chart.DefaultElement.SmartLabel.Text = "%Name - (%YValue)";
Chart.DefaultSeries.GaugeType = GaugeType.Horizontal;

Chart.LegendBox.Visible = false;
// Add the random data.
Chart.SeriesCollection.Add(mySC);

}

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

</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 linear horizontal gauges with custom image markers employing DynamicColors.

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

Chart.Type = ChartType.Gauges
Chart.Size = "350x200"
'Chart.Title = ".netCHARTING Sample";
Chart.ShadingEffectMode = ShadingEffectMode.Three

Chart.ChartArea.Padding = 10
Chart.Margin = "-5"
Chart.LegacyMode = True
'Chart.ChartArea.ClearColors();
Chart.ChartArea.Background.Color = Color.Empty
Chart.ChartArea.Line.Color = Color.Empty
Chart.ChartArea.Shadow.Color = Color.Empty

Chart.DefaultSeries.GaugeBorderBox.DefaultCorner = BoxCorner.Round
Chart.DefaultSeries.GaugeBorderShape = GaugeBorderShape.UseBox
Chart.DefaultSeries.Type = SeriesType.Marker
Chart.DefaultElement.Marker = New ElementMarker("../../images/pointerMarker.gif")
Chart.DefaultElement.Marker.DynamicImageColor = Color.FromArgb(6,0,127)

Chart.YAxis.Orientation = dotnetCHARTING.Orientation.Top
' *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.DefaultElement.ShowValue = true;
' Chart.DefaultElement.SmartLabel.Alignment = LabelAlignment.Bottom;
' Chart.DefaultElement.SmartLabel.Text = "%Name - (%YValue)";
Chart.DefaultSeries.GaugeType = GaugeType.Horizontal

Chart.LegendBox.Visible = False
' 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 2
Dim s As Series = New Series("")
For b As Integer = 1 To 1
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

</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 FilenameGaugeLinearDynamicColorMarkers.aspx
Version4.3
Uses DatabaseNo

JS Charting

Gallery

Gauge Linear Dynamic Color Markers