Tree Map Layout

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\treemaplayout.cs

using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class treemaplayout : DemoModule
    {
        //Name of demo module
        public string getName() { return "Tree Map Layout"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 5; }

        //Main code for creating charts
        public void createChart(WinChartViewer viewer, int chartIndex)
        {
            // Random data for the tree map
            RanSeries r = new RanSeries(3);
            double[] data = r.getSeries(20, 20, 400);

            // Create a Tree Map object of size 300 x 300 pixels
            TreeMapChart c = new TreeMapChart(300, 300);
            c.setPlotArea(20, 20, 260, 260);

            // Obtain the root of the tree map, which is the entire plot area
            TreeMapNode root = c.getRootNode();

            // Add first level nodes to the root.
            root.setData(data);

            if (chartIndex == 0) {
                // Squarity - Layout the cells so that they are as square as possible.
                c.addTitle("Squarify");
                root.setLayoutMethod(Chart.TreeMapSquarify);
            } else if (chartIndex == 1) {
                // Strip layout - Cells flow from left to right, top to bottom. The number of cells
                // in each row is such that they will be as close to a square as possible. (The
                // setLayoutMethod also supports other flow directions.)
                c.addTitle("Strip");
                root.setLayoutMethod(Chart.TreeMapStrip);
            } else if (chartIndex == 2) {
                // Binary Split by Size - Split the cells into left/right groups so that their size
                // are as close as possible. For each group, split the cells into top/bottom groups
                // using the same criteria. Continue until each group contains one cell. (The
                // setLayoutMethod also supports other flow directions.)
                c.addTitle("Binary Split by Size");
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            } else if (chartIndex == 3) {
                // Binary Split by Count - Same as "Binary Split by Size", except that the cell
                // count (instead of the size) is used to split the cells.
                c.addTitle("Binary Split by Count");
                root.setLayoutMethod(Chart.TreeMapBinaryByCount);
            } else if (chartIndex == 4) {
                // Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells
                // are sorted first.
                c.addTitle("Binary Split by Size (Sorted)");
                root.setSorting(-1);
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            }

            // Get the prototype (template) for the first level nodes.
            TreeMapNode nodeConfig = c.getLevelPrototype(1);

            // Set the label format for the nodes to show the label and value with 8pt Arial Bold
            // font in black color (000000) and center aligned in the node.
            nodeConfig.setLabelFormat("{index}", "Arial", 8, 0x000000, Chart.Center);

            // Set automatic fill color and white (ffffff) border
            nodeConfig.setColors(Chart.DataColor, 0xffffff);

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='<*cdml*><*font=bold*>[{index}]<*/font*> {value|2}'");
        }
    }
}

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\treemaplayout.vb

Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class treemaplayout
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Tree Map Layout"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 5
    End Function

    'Main code for creating charts
    Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
        Implements DemoModule.createChart

        ' Random data for the tree map
        Dim r As RanSeries = New RanSeries(3)
        Dim data() As Double = r.getSeries(20, 20, 400)

        ' Create a Tree Map object of size 300 x 300 pixels
        Dim c As TreeMapChart = New TreeMapChart(300, 300)
        c.setPlotArea(20, 20, 260, 260)

        ' Obtain the root of the tree map, which is the entire plot area
        Dim root As TreeMapNode = c.getRootNode()

        ' Add first level nodes to the root.
        root.setData(data)

        If chartIndex = 0 Then
            ' Squarity - Layout the cells so that they are as square as possible.
            c.addTitle("Squarify")
            root.setLayoutMethod(Chart.TreeMapSquarify)
        ElseIf chartIndex = 1 Then
            ' Strip layout - Cells flow from left to right, top to bottom. The number of cells in
            ' each row is such that they will be as close to a square as possible. (The
            ' setLayoutMethod also supports other flow directions.)
            c.addTitle("Strip")
            root.setLayoutMethod(Chart.TreeMapStrip)
        ElseIf chartIndex = 2 Then
            ' Binary Split by Size - Split the cells into left/right groups so that their size are
            ' as close as possible. For each group, split the cells into top/bottom groups using the
            ' same criteria. Continue until each group contains one cell. (The setLayoutMethod also
            ' supports other flow directions.)
            c.addTitle("Binary Split by Size")
            root.setLayoutMethod(Chart.TreeMapBinaryBySize)
        ElseIf chartIndex = 3 Then
            ' Binary Split by Count - Same as "Binary Split by Size", except that the cell count
            ' (instead of the size) is used to split the cells.
            c.addTitle("Binary Split by Count")
            root.setLayoutMethod(Chart.TreeMapBinaryByCount)
        ElseIf chartIndex = 4 Then
            ' Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells are
            ' sorted first.
            c.addTitle("Binary Split by Size (Sorted)")
            root.setSorting(-1)
            root.setLayoutMethod(Chart.TreeMapBinaryBySize)
        End If

        ' Get the prototype (template) for the first level nodes.
        Dim nodeConfig As TreeMapNode = c.getLevelPrototype(1)

        ' Set the label format for the nodes to show the label and value with 8pt Arial Bold font in
        ' black color (000000) and center aligned in the node.
        nodeConfig.setLabelFormat("{index}", "Arial", 8, &H000000, Chart.Center)

        ' Set automatic fill color and white (ffffff) border
        nodeConfig.setColors(Chart.DataColor, &Hffffff)

        ' Output the chart
        viewer.Chart = c

        'include tool tip for the chart
        viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
            "title='<*cdml*><*font=bold*>[{index}]<*/font*> {value|2}'")

    End Sub

End Class

[WPF - C#] NetWPFCharts\CSharpWPFCharts\treemaplayout.cs

using System;
using ChartDirector;

namespace CSharpWPFCharts
{
    public class treemaplayout : DemoModule
    {
        //Name of demo module
        public string getName() { return "Tree Map Layout"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 5; }

        //Main code for creating charts
        public void createChart(WPFChartViewer viewer, int chartIndex)
        {
            // Random data for the tree map
            RanSeries r = new RanSeries(3);
            double[] data = r.getSeries(20, 20, 400);

            // Create a Tree Map object of size 300 x 300 pixels
            TreeMapChart c = new TreeMapChart(300, 300);
            c.setPlotArea(20, 20, 260, 260);

            // Obtain the root of the tree map, which is the entire plot area
            TreeMapNode root = c.getRootNode();

            // Add first level nodes to the root.
            root.setData(data);

            if (chartIndex == 0) {
                // Squarity - Layout the cells so that they are as square as possible.
                c.addTitle("Squarify");
                root.setLayoutMethod(Chart.TreeMapSquarify);
            } else if (chartIndex == 1) {
                // Strip layout - Cells flow from left to right, top to bottom. The number of cells
                // in each row is such that they will be as close to a square as possible. (The
                // setLayoutMethod also supports other flow directions.)
                c.addTitle("Strip");
                root.setLayoutMethod(Chart.TreeMapStrip);
            } else if (chartIndex == 2) {
                // Binary Split by Size - Split the cells into left/right groups so that their size
                // are as close as possible. For each group, split the cells into top/bottom groups
                // using the same criteria. Continue until each group contains one cell. (The
                // setLayoutMethod also supports other flow directions.)
                c.addTitle("Binary Split by Size");
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            } else if (chartIndex == 3) {
                // Binary Split by Count - Same as "Binary Split by Size", except that the cell
                // count (instead of the size) is used to split the cells.
                c.addTitle("Binary Split by Count");
                root.setLayoutMethod(Chart.TreeMapBinaryByCount);
            } else if (chartIndex == 4) {
                // Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells
                // are sorted first.
                c.addTitle("Binary Split by Size (Sorted)");
                root.setSorting(-1);
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            }

            // Get the prototype (template) for the first level nodes.
            TreeMapNode nodeConfig = c.getLevelPrototype(1);

            // Set the label format for the nodes to show the label and value with 8pt Arial Bold
            // font in black color (000000) and center aligned in the node.
            nodeConfig.setLabelFormat("{index}", "Arial", 8, 0x000000, Chart.Center);

            // Set automatic fill color and white (ffffff) border
            nodeConfig.setColors(Chart.DataColor, 0xffffff);

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='<*cdml*><*font=bold*>[{index}]<*/font*> {value|2}'");
        }
    }
}

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\treemaplayout.aspx
(Click here on how to convert this code to code-behind style.)

<%@ 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)
{
    // Random data for the tree map
    RanSeries r = new RanSeries(3);
    double[] data = r.getSeries(20, 20, 400);

    // Create a Tree Map object of size 300 x 300 pixels
    TreeMapChart c = new TreeMapChart(300, 300);
    c.setPlotArea(20, 20, 260, 260);

    // Obtain the root of the tree map, which is the entire plot area
    TreeMapNode root = c.getRootNode();

    // Add first level nodes to the root.
    root.setData(data);

    if (chartIndex == 0) {
        // Squarity - Layout the cells so that they are as square as possible.
        c.addTitle("Squarify");
        root.setLayoutMethod(Chart.TreeMapSquarify);
    } else if (chartIndex == 1) {
        // Strip layout - Cells flow from left to right, top to bottom. The number of cells in each
        // row is such that they will be as close to a square as possible. (The setLayoutMethod also
        // supports other flow directions.)
        c.addTitle("Strip");
        root.setLayoutMethod(Chart.TreeMapStrip);
    } else if (chartIndex == 2) {
        // Binary Split by Size - Split the cells into left/right groups so that their size are as
        // close as possible. For each group, split the cells into top/bottom groups using the same
        // criteria. Continue until each group contains one cell. (The setLayoutMethod also supports
        // other flow directions.)
        c.addTitle("Binary Split by Size");
        root.setLayoutMethod(Chart.TreeMapBinaryBySize);
    } else if (chartIndex == 3) {
        // Binary Split by Count - Same as "Binary Split by Size", except that the cell count
        // (instead of the size) is used to split the cells.
        c.addTitle("Binary Split by Count");
        root.setLayoutMethod(Chart.TreeMapBinaryByCount);
    } else if (chartIndex == 4) {
        // Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells are
        // sorted first.
        c.addTitle("Binary Split by Size (Sorted)");
        root.setSorting(-1);
        root.setLayoutMethod(Chart.TreeMapBinaryBySize);
    }

    // Get the prototype (template) for the first level nodes.
    TreeMapNode nodeConfig = c.getLevelPrototype(1);

    // Set the label format for the nodes to show the label and value with 8pt Arial Bold font in
    // black color (000000) and center aligned in the node.
    nodeConfig.setLabelFormat("{index}", "Arial", 8, 0x000000, Chart.Center);

    // Set automatic fill color and white (ffffff) border
    nodeConfig.setColors(Chart.DataColor, 0xffffff);

    // Output the chart
    viewer.Image = c.makeWebImage(Chart.SVG);

    // Include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("", "", "title='<*cdml*><*b*>[{index}]<*/b*> {value|2}'");
}

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    createChart(WebChartViewer0, 0);
    createChart(WebChartViewer1, 1);
    createChart(WebChartViewer2, 2);
    createChart(WebChartViewer3, 3);
    createChart(WebChartViewer4, 4);
}

</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" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\treemaplayout.aspx
(Click here on how to convert this code to code-behind style.)

<%@ 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)

    ' Random data for the tree map
    Dim r As RanSeries = New RanSeries(3)
    Dim data() As Double = r.getSeries(20, 20, 400)

    ' Create a Tree Map object of size 300 x 300 pixels
    Dim c As TreeMapChart = New TreeMapChart(300, 300)
    c.setPlotArea(20, 20, 260, 260)

    ' Obtain the root of the tree map, which is the entire plot area
    Dim root As TreeMapNode = c.getRootNode()

    ' Add first level nodes to the root.
    root.setData(data)

    If chartIndex = 0 Then
        ' Squarity - Layout the cells so that they are as square as possible.
        c.addTitle("Squarify")
        root.setLayoutMethod(Chart.TreeMapSquarify)
    ElseIf chartIndex = 1 Then
        ' Strip layout - Cells flow from left to right, top to bottom. The number of cells in each
        ' row is such that they will be as close to a square as possible. (The setLayoutMethod also
        ' supports other flow directions.)
        c.addTitle("Strip")
        root.setLayoutMethod(Chart.TreeMapStrip)
    ElseIf chartIndex = 2 Then
        ' Binary Split by Size - Split the cells into left/right groups so that their size are as
        ' close as possible. For each group, split the cells into top/bottom groups using the same
        ' criteria. Continue until each group contains one cell. (The setLayoutMethod also supports
        ' other flow directions.)
        c.addTitle("Binary Split by Size")
        root.setLayoutMethod(Chart.TreeMapBinaryBySize)
    ElseIf chartIndex = 3 Then
        ' Binary Split by Count - Same as "Binary Split by Size", except that the cell count
        ' (instead of the size) is used to split the cells.
        c.addTitle("Binary Split by Count")
        root.setLayoutMethod(Chart.TreeMapBinaryByCount)
    ElseIf chartIndex = 4 Then
        ' Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells are sorted
        ' first.
        c.addTitle("Binary Split by Size (Sorted)")
        root.setSorting(-1)
        root.setLayoutMethod(Chart.TreeMapBinaryBySize)
    End If

    ' Get the prototype (template) for the first level nodes.
    Dim nodeConfig As TreeMapNode = c.getLevelPrototype(1)

    ' Set the label format for the nodes to show the label and value with 8pt Arial Bold font in
    ' black color (000000) and center aligned in the node.
    nodeConfig.setLabelFormat("{index}", "Arial", 8, &H000000, Chart.Center)

    ' Set automatic fill color and white (ffffff) border
    nodeConfig.setColors(Chart.DataColor, &Hffffff)

    ' Output the chart
    viewer.Image = c.makeWebImage(Chart.SVG)

    ' Include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("", "", "title='<*cdml*><*b*>[{index}]<*/b*> {value|2}'")

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)
    createChart(WebChartViewer2, 2)
    createChart(WebChartViewer3, 3)
    createChart(WebChartViewer4, 4)

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" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
</body>
</html>

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\TreemaplayoutController.cs

using System;
using System.Web.Mvc;
using ChartDirector;

namespace NetMvcCharts.Controllers
{
    public class TreemaplayoutController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "Tree Map Layout";

            // This example contains 5 charts.
            ViewBag.Viewer = new RazorChartViewer[5];
            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)
        {
            // Random data for the tree map
            RanSeries r = new RanSeries(3);
            double[] data = r.getSeries(20, 20, 400);

            // Create a Tree Map object of size 300 x 300 pixels
            TreeMapChart c = new TreeMapChart(300, 300);
            c.setPlotArea(20, 20, 260, 260);

            // Obtain the root of the tree map, which is the entire plot area
            TreeMapNode root = c.getRootNode();

            // Add first level nodes to the root.
            root.setData(data);

            if (chartIndex == 0) {
                // Squarity - Layout the cells so that they are as square as possible.
                c.addTitle("Squarify");
                root.setLayoutMethod(Chart.TreeMapSquarify);
            } else if (chartIndex == 1) {
                // Strip layout - Cells flow from left to right, top to bottom. The number of cells in
                // each row is such that they will be as close to a square as possible. (The
                // setLayoutMethod also supports other flow directions.)
                c.addTitle("Strip");
                root.setLayoutMethod(Chart.TreeMapStrip);
            } else if (chartIndex == 2) {
                // Binary Split by Size - Split the cells into left/right groups so that their size are
                // as close as possible. For each group, split the cells into top/bottom groups using the
                // same criteria. Continue until each group contains one cell. (The setLayoutMethod also
                // supports other flow directions.)
                c.addTitle("Binary Split by Size");
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            } else if (chartIndex == 3) {
                // Binary Split by Count - Same as "Binary Split by Size", except that the cell count
                // (instead of the size) is used to split the cells.
                c.addTitle("Binary Split by Count");
                root.setLayoutMethod(Chart.TreeMapBinaryByCount);
            } else if (chartIndex == 4) {
                // Binary Split by Size (Sorted) - Same as "Binary Split by Size" except the cells are
                // sorted first.
                c.addTitle("Binary Split by Size (Sorted)");
                root.setSorting(-1);
                root.setLayoutMethod(Chart.TreeMapBinaryBySize);
            }

            // Get the prototype (template) for the first level nodes.
            TreeMapNode nodeConfig = c.getLevelPrototype(1);

            // Set the label format for the nodes to show the label and value with 8pt Arial Bold font in
            // black color (000000) and center aligned in the node.
            nodeConfig.setLabelFormat("{index}", "Arial", 8, 0x000000, Chart.Center);

            // Set automatic fill color and white (ffffff) border
            nodeConfig.setColors(Chart.DataColor, 0xffffff);

            // Output the chart
            viewer.Image = c.makeWebImage(Chart.SVG);

            // Include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("", "", "title='<*cdml*><*b*>[{index}]<*/b*> {value|2}'")
                ;
        }
    }
}

[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml

@{ 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>