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JS Shape Label Positions

Using multiple shape labels with a donut chart.

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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" %>
<script runat="server">

void Page_Load(Object sender, EventArgs e)
{
// This sample demonstrates using multiple shape labels with a donut chart.

Chart.Debug = true;
// Specify chart type.
Chart.Type = ChartType.Donuts;

// Set he chart size.
Chart.Width = 500;
Chart.Height = 450;
Chart.LegendBox.Visible = false;
Chart.DefaultElement.ToolTip = "";

// Set the title.
Chart.Title="Shape label position and stacking direction";

Chart.DonutHoleSize = 90;

// Set the directory where the related JSC files will be created and stored.
Chart.TempDirectory = "temp";

// Enable JSCharting
Chart.JS.Enabled = true;

SeriesCollection sc = getRandomData();
Series s = sc[0];

s.GaugeBorderBox.Position = new Size(480, 480);

Chart.JS.Settings.Add("defaultSeries.shape.defaultLabel", "JS:{ maxWidth: 60, margin: 5 }");

//Add shape labels to the series.

dotnetCHARTING.Label l = new dotnetCHARTING.Label("Top Left 1");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Top Left 2");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Top Center 1");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Top Center 2");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Top Right 1");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);
l = new dotnetCHARTING.Label("Top Right 2");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Near;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Outside Middle Left 1");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Center;
l.Placement = Placement.Outside;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Outside Middle Left 2");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Center;
l.Placement = Placement.Outside;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Left 1");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Left 2");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Center 1");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Center 2");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Right 1");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Middle Right 2");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Center;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Outside Middle Right 1");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Center;
l.Placement = Placement.Outside;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Outside Middle Right 2");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Center;
l.Placement = Placement.Outside;
l.AutoWrap = true;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Bottom Left 1");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Bottom Left 2");
l.Alignment = StringAlignment.Near;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Bottom Center 1");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Bottom Center 2");
l.Alignment = StringAlignment.Center;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);

l = new dotnetCHARTING.Label("Bottom Right 1");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);
l = new dotnetCHARTING.Label("Bottom Right 2");
l.Alignment = StringAlignment.Far;
l.LineAlignment = StringAlignment.Far;
s.ShapeLabels.Add(l);

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

}

SeriesCollection getRandomData()
{
SeriesCollection SC = new SeriesCollection();
Random myR = new Random();
for (int a = 1; a < 2; a++)
{
Series s = new Series();
s.Name = "Series " + a;
for (int b = 1; b < 5; b++)
{
Element e = new Element();
e.Name = "E " + b;
e.YValue = myR.Next(50)+10;
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>
<script type="text/javascript">
var palette = ['#4285F4', '#fE4C14', '#DBCB18', '#15AC20', '#D150B1'];
function myCallback(chart) {
chart.series().points().each(function (p) {
/**
* Improve performance by setting second argument (updateOptions) to false and prevent chart
* redraw on every point options update.
*/
p.options({ outline_color: palette[p.y] }, false);
});
/**
* Update the chart fully and only once.
*/
chart.redraw();
}
</script>
</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" %>
<script runat="server">

Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' This sample demonstrates using multiple shape labels with a donut chart.

Chart.Debug = True
' Specify chart type.
Chart.Type = ChartType.Donuts

' Set he chart size.
Chart.Width = 500
Chart.Height = 450
Chart.LegendBox.Visible = False
Chart.DefaultElement.ToolTip = ""

' Set the title.
Chart.Title="Shape label position and stacking direction"

Chart.DonutHoleSize = 90

' Set the directory where the related JSC files will be created and stored.
Chart.TempDirectory = "temp"

' Enable JSCharting
Chart.JS.Enabled = True

Dim sc As SeriesCollection = getRandomData()
Dim s As Series = sc(0)

s.GaugeBorderBox.Position = New Size(480, 480)

Chart.JS.Settings.Add("defaultSeries.shape.defaultLabel", "JS:{ maxWidth: 60, margin: 5 }")

'Add shape labels to the series.

Dim l As dotnetCHARTING.Label = New dotnetCHARTING.Label("Top Left 1")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Top Left 2")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Top Center 1")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Top Center 2")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Top Right 1")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)
l = New dotnetCHARTING.Label("Top Right 2")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Near
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Outside Middle Left 1")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Center
l.Placement = Placement.Outside
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Outside Middle Left 2")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Center
l.Placement = Placement.Outside
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Left 1")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Left 2")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Center 1")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Center 2")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Right 1")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Middle Right 2")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Center
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Outside Middle Right 1")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Center
l.Placement = Placement.Outside
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Outside Middle Right 2")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Center
l.Placement = Placement.Outside
l.AutoWrap = True
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Bottom Left 1")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Bottom Left 2")
l.Alignment = StringAlignment.Near
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Bottom Center 1")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Bottom Center 2")
l.Alignment = StringAlignment.Center
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)

l = New dotnetCHARTING.Label("Bottom Right 1")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)
l = New dotnetCHARTING.Label("Bottom Right 2")
l.Alignment = StringAlignment.Far
l.LineAlignment = StringAlignment.Far
s.ShapeLabels.Add(l)

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

End Sub

Function getRandomData() As SeriesCollection
Dim SC As SeriesCollection = New SeriesCollection()
Dim myR As Random = New Random()
For a As Integer = 1 To 1
Dim s As Series = New Series()
s.Name = "Series " & a
For b As Integer = 1 To 4
Dim e As Element = New Element()
e.Name = "E " & b
e.YValue = myR.Next(50)+10
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>
<script type="text/javascript">
var palette = ['#4285F4', '#fE4C14', '#DBCB18', '#15AC20', '#D150B1'];
function myCallback(chart) {
chart.series().points().each(function (p) {
/**
* Improve performance by setting second argument (updateOptions) to false and prevent chart
* redraw on every point options update.
*/
p.options({ outline_color: palette[p.y] }, false);
});
/**
* Update the chart fully and only once.
*/
chart.redraw();
}
</script>
</head>
<body>
<div align="center">
<dotnet:Chart ID="Chart" runat="server" />
</div>
</body>
</html>

Sample FilenameJsShapeLabelPositions.aspx
Version10.5
Uses DatabaseNo

JS Charting

Gallery

JS Shape Label Positions