ChartDirector 7.1 (.NET Edition)
Circular Label Layout
Source Code Listing
using System;
using ChartDirector;
namespace CSharpChartExplorer
{
public class circlelabelpie : DemoModule
{
//Name of demo module
public string getName() { return "Circular Label Layout"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 2; }
//Main code for creating charts
public void createChart(WinChartViewer viewer, int chartIndex)
{
// The data for the pie chart
double[] data = {42, 18, 8};
// The labels for the pie chart
string[] labels = {"Agree", "Disagree", "Not Sure"};
// The colors to use for the sectors
int[] colors = {0x66ff66, 0xff6666, 0xffff00};
// Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient
// color from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use
// rounded corners and soft drop shadow.
PieChart c = new PieChart(300, 300);
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, 0xaaccff, 0xffffff),
0x888888);
c.setRoundedFrame();
c.setDropShadow();
if (chartIndex == 0) {
//============================================================
// Draw a pie chart where the label is on top of the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120);
// Set the label position to -40 pixels from the perimeter of the pie (-ve means
// label is inside the pie)
c.setLabelPos(-40);
} else {
//============================================================
// Draw a pie chart where the label is outside the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80);
// Set the sector label position to be 20 pixels from the pie. Use a join line to
// connect the labels to the sectors.
c.setLabelPos(20, Chart.LineColor);
}
// Set the pie data and the pie labels
c.setData(data, labels);
// Set the sector colors
c.setColors2(Chart.DataColor, colors);
// Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, unchecked((int)0xbb000000), 1);
// Output the chart
viewer.Chart = c;
//include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "",
"title='{label}: {value} responses ({percent}%)'");
}
}
}
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector
Public Class circlelabelpie
Implements DemoModule
'Name of demo module
Public Function getName() As String Implements DemoModule.getName
Return "Circular Label Layout"
End Function
'Number of charts produced in this demo module
Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
Return 2
End Function
'Main code for creating charts
Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
Implements DemoModule.createChart
' The data for the pie chart
Dim data() As Double = {42, 18, 8}
' The labels for the pie chart
Dim labels() As String = {"Agree", "Disagree", "Not Sure"}
' The colors to use for the sectors
Dim colors() As Integer = {&H66ff66, &Hff6666, &Hffff00}
' Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color
' from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners
' and soft drop shadow.
Dim c As PieChart = New PieChart(300, 300)
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, &Haaccff, &Hffffff), _
&H888888)
c.setRoundedFrame()
c.setDropShadow()
If chartIndex = 0 Then
'============================================================
' Draw a pie chart where the label is on top of the pie
'============================================================
' Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120)
' Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
' inside the pie)
c.setLabelPos(-40)
Else
'============================================================
' Draw a pie chart where the label is outside the pie
'============================================================
' Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80)
' Set the sector label position to be 20 pixels from the pie. Use a join line to connect
' the labels to the sectors.
c.setLabelPos(20, Chart.LineColor)
End If
' Set the pie data and the pie labels
c.setData(data, labels)
' Set the sector colors
c.setColors2(Chart.DataColor, colors)
' Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, &Hbb000000, 1)
' Output the chart
viewer.Chart = c
'include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
"title='{label}: {value} responses ({percent}%)'")
End Sub
End Class
using System;
using ChartDirector;
namespace CSharpWPFCharts
{
public class circlelabelpie : DemoModule
{
//Name of demo module
public string getName() { return "Circular Label Layout"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 2; }
//Main code for creating charts
public void createChart(WPFChartViewer viewer, int chartIndex)
{
// The data for the pie chart
double[] data = {42, 18, 8};
// The labels for the pie chart
string[] labels = {"Agree", "Disagree", "Not Sure"};
// The colors to use for the sectors
int[] colors = {0x66ff66, 0xff6666, 0xffff00};
// Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient
// color from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use
// rounded corners and soft drop shadow.
PieChart c = new PieChart(300, 300);
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, 0xaaccff, 0xffffff),
0x888888);
c.setRoundedFrame();
c.setDropShadow();
if (chartIndex == 0) {
//============================================================
// Draw a pie chart where the label is on top of the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120);
// Set the label position to -40 pixels from the perimeter of the pie (-ve means
// label is inside the pie)
c.setLabelPos(-40);
} else {
//============================================================
// Draw a pie chart where the label is outside the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80);
// Set the sector label position to be 20 pixels from the pie. Use a join line to
// connect the labels to the sectors.
c.setLabelPos(20, Chart.LineColor);
}
// Set the pie data and the pie labels
c.setData(data, labels);
// Set the sector colors
c.setColors2(Chart.DataColor, colors);
// Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, unchecked((int)0xbb000000), 1);
// Output the chart
viewer.Chart = c;
//include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "",
"title='{label}: {value} responses ({percent}%)'");
}
}
}
<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
//
// Create chart
//
protected void createChart(WebChartViewer viewer, int chartIndex)
{
// The data for the pie chart
double[] data = {42, 18, 8};
// The labels for the pie chart
string[] labels = {"Agree", "Disagree", "Not Sure"};
// The colors to use for the sectors
int[] colors = {0x66ff66, 0xff6666, 0xffff00};
// Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color
// from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners and
// soft drop shadow.
PieChart c = new PieChart(300, 300);
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, 0xaaccff, 0xffffff), 0x888888)
;
c.setRoundedFrame();
c.setDropShadow();
if (chartIndex == 0) {
//============================================================
// Draw a pie chart where the label is on top of the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120);
// Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
// inside the pie)
c.setLabelPos(-40);
} else {
//============================================================
// Draw a pie chart where the label is outside the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80);
// Set the sector label position to be 20 pixels from the pie. Use a join line to connect
// the labels to the sectors.
c.setLabelPos(20, Chart.LineColor);
}
// Set the pie data and the pie labels
c.setData(data, labels);
// Set the sector colors
c.setColors2(Chart.DataColor, colors);
// Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, unchecked((int)0xbb000000), 1);
// Output the chart
viewer.Image = c.makeWebImage(Chart.SVG);
// Include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} responses ({percent}%)'");
}
//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
createChart(WebChartViewer0, 0);
createChart(WebChartViewer1, 1);
}
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer0" runat="server" />
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
'
' Create chart
'
Protected Sub createChart(viewer As WebChartViewer, chartIndex As Integer)
' The data for the pie chart
Dim data() As Double = {42, 18, 8}
' The labels for the pie chart
Dim labels() As String = {"Agree", "Disagree", "Not Sure"}
' The colors to use for the sectors
Dim colors() As Integer = {&H66ff66, &Hff6666, &Hffff00}
' Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color from
' blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners and soft
' drop shadow.
Dim c As PieChart = New PieChart(300, 300)
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, &Haaccff, &Hffffff), _
&H888888)
c.setRoundedFrame()
c.setDropShadow()
If chartIndex = 0 Then
'============================================================
' Draw a pie chart where the label is on top of the pie
'============================================================
' Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120)
' Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
' inside the pie)
c.setLabelPos(-40)
Else
'============================================================
' Draw a pie chart where the label is outside the pie
'============================================================
' Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80)
' Set the sector label position to be 20 pixels from the pie. Use a join line to connect the
' labels to the sectors.
c.setLabelPos(20, Chart.LineColor)
End If
' Set the pie data and the pie labels
c.setData(data, labels)
' Set the sector colors
c.setColors2(Chart.DataColor, colors)
' Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, &Hbb000000, 1)
' Output the chart
viewer.Image = c.makeWebImage(Chart.SVG)
' Include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} responses ({percent}%)'")
End Sub
'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
createChart(WebChartViewer0, 0)
createChart(WebChartViewer1, 1)
End Sub
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer0" runat="server" />
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
using System;
using System.Web.Mvc;
using ChartDirector;
namespace NetMvcCharts.Controllers
{
public class CirclelabelpieController : Controller
{
//
// Default Action
//
public ActionResult Index()
{
ViewBag.Title = "Circular Label Layout";
// This example contains 2 charts.
ViewBag.Viewer = new RazorChartViewer[2];
for (int i = 0; i < ViewBag.Viewer.Length; ++i)
createChart(ViewBag.Viewer[i] = new RazorChartViewer(HttpContext, "chart" + i), i);
return View("~/Views/Shared/ChartView.cshtml");
}
//
// Create chart
//
private void createChart(RazorChartViewer viewer, int chartIndex)
{
// The data for the pie chart
double[] data = {42, 18, 8};
// The labels for the pie chart
string[] labels = {"Agree", "Disagree", "Not Sure"};
// The colors to use for the sectors
int[] colors = {0x66ff66, 0xff6666, 0xffff00};
// Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color
// from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners
// and soft drop shadow.
PieChart c = new PieChart(300, 300);
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, 0xaaccff, 0xffffff),
0x888888);
c.setRoundedFrame();
c.setDropShadow();
if (chartIndex == 0) {
//============================================================
// Draw a pie chart where the label is on top of the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120);
// Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
// inside the pie)
c.setLabelPos(-40);
} else {
//============================================================
// Draw a pie chart where the label is outside the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80);
// Set the sector label position to be 20 pixels from the pie. Use a join line to connect
// the labels to the sectors.
c.setLabelPos(20, Chart.LineColor);
}
// Set the pie data and the pie labels
c.setData(data, labels);
// Set the sector colors
c.setColors2(Chart.DataColor, colors);
// Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(Chart.LocalGradientShading, unchecked((int)0xbb000000), 1);
// Output the chart
viewer.Image = c.makeWebImage(Chart.SVG);
// Include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: {value} responses ({percent}%)'"
);
}
}
}
@{ Layout = null; }
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>@ViewBag.Title</title>
<style>
@ViewBag.Style
</style>
@Scripts.Render("~/Scripts/cdjcv.js")
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
@ViewBag.Title
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div>
@{
if (ViewBag.Viewer is Array)
{
// Display multiple charts
for (int i = 0; i < ViewBag.Viewer.Length; ++i)
{
@:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
}
}
else
{
// Display one chart only
@:@Html.Raw(ViewBag.Viewer.RenderHTML())
}
}
</div>
</body>
</html>