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Compound Gauge

Demonstrates using compounded gauges.

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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 compounded gauges.

Chart.TempDirectory = "temp";
Chart.Debug = true;
Chart.Palette = new Color[] { Color.FromArgb(255, 99, 49), Color.DarkBlue };
Chart.Type = ChartType.Gauges;
Chart.Size = "500x350";
//Chart.Title = ".netCHARTING Sample";
Chart.OverlapFooter = true;
Chart.LegendBox.Visible = false;
Chart.ChartArea.ClearColors();

// *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();

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

mySC[0].Background.Color = Color.WhiteSmoke;

// Create a second series to embed into the circular gauge
Series digital = Series.FromYValues(mySC[0][0].YValue);
digital.GaugeType = GaugeType.DigitalReadout;
digital.GaugeBorderBox.Padding = 2;
digital.GaugeBorderBox.Background.Color = Color.FromArgb(100, Color.Black);
digital.GaugeBorderBox.Shadow.Color = Color.Empty;
digital.GaugeBorderBox.Position = new Rectangle(195, 240, 100, 40);
digital.LegendEntry.Visible = false;

// Specify the digital readout font size
digital.DefaultElement.SmartLabel.Font = new Font("Arial", 30);

// Get rid of digital gauge labels
digital.XAxis = new Axis();
digital.XAxis.DefaultTick.Label.Text = "";

// Add the digital readout series to the chart.
Chart.SeriesCollection.Add(digital);
}

SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
int a = 0;
int b = 0;
for (a = 1; a < 2; a++)
{
Series s = new Series("Series " + a.ToString());
for (b = 1; b < 2; b++)
{
Element e = new Element("Element " + b.ToString());
e.YValue = myR.Next(14150);
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">
<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 compounded gauges.

Chart.TempDirectory = "temp"
Chart.Debug = True
Chart.Palette = New Color() { Color.FromArgb(255, 99, 49), Color.DarkBlue }
Chart.Type = ChartType.Gauges
Chart.Size = "500x350"
'Chart.Title = ".netCHARTING Sample";
Chart.OverlapFooter = True
Chart.LegendBox.Visible = False
Chart.ChartArea.ClearColors()

' *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()

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

mySC(0).Background.Color = Color.WhiteSmoke

' Create a second series to embed into the circular gauge
Dim digital As Series = Series.FromYValues(mySC(0)(0).YValue)
digital.GaugeType = GaugeType.DigitalReadout
digital.GaugeBorderBox.Padding = 2
digital.GaugeBorderBox.Background.Color = Color.FromArgb(100, Color.Black)
digital.GaugeBorderBox.Shadow.Color = Color.Empty
digital.GaugeBorderBox.Position = New Rectangle(195, 240, 100, 40)
digital.LegendEntry.Visible = False

' Specify the digital readout font size
digital.DefaultElement.SmartLabel.Font = New Font("Arial", 30)

' Get rid of digital gauge labels
digital.XAxis = New Axis()
digital.XAxis.DefaultTick.Label.Text = ""

' Add the digital readout series to the chart.
Chart.SeriesCollection.Add(digital)
End Sub

Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(1)
Dim SC As SeriesCollection = New SeriesCollection()
Dim a As Integer = 0
Dim b As Integer = 0
For a = 1 To 1
Dim s As Series = New Series("Series " & a.ToString())
For b = 1 To 1
Dim e As Element = New Element("Element " & b.ToString())
e.YValue = myR.Next(14150)
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">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenameCompoundGauge.aspx
Version4.4
Uses DatabaseNo

JS Charting

Gallery

Compound Gauge