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// WPF Chart Examples

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// WPF Heatmap Metadata Chart

Demonstrates how to create a Heatmap with Text in the cells SciChart. Accepts a 2D Array of data and has a user-defined colour map which can be displayed as a legend over the chart.

Documentation Links

– Heatmap API Documentation
– RenderableSeries API
– UniformHeatmapDataSeries class
– NonUniformHeatmapDataSeries class

WPF Heatmap Metadata Chart

// Source Code

The C#/WPF source code for the WPF Heatmap Metadata Chart example is included below (Scroll down!).

Did you know you can also view the source code from one of the following sources as well?

  1. Clone the SciChart.WPF.Examples from Github.
  2. Or, view source in the SciChart WPF Examples suite.
  3. Also the SciChart WPF Trial contains the full source for the examples (link below).

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WPF Heatmap Metadata Chart - View Source Code for this example

The SciChart Examples source code is available on Github and viewable in-app for some platforms

// HeatmapMetadata.xaml

View on Github 
<UserControl x:Class="SciChart.Examples.Examples.HeatmapChartTypes.HeatmapMetadata.HeatmapMetadata"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:SciChart.Examples.Examples.HeatmapChartTypes.HeatmapMetadata"
             xmlns:s="http://schemas.abtsoftware.co.uk/scichart"
             xmlns:ext="http://schemas.abtsoftware.co.uk/scichart/exampleExternals"
             mc:Ignorable="d" 
             d:DesignHeight="300"
             d:DesignWidth="300">

    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/SciChart.Examples.ExternalDependencies;component/Resources/Styles/ToolbarButtonsCommon.xaml" />
            </ResourceDictionary.MergedDictionaries>

            <s:GradientStopsToLinearGradientBrushConverter x:Key="ColorsToLinearGradientBrushConverter"/>

            <!--Tooltip template-->
            <DataTemplate x:Key="TooltipItemTemplate">
                <Grid DataContext="{Binding PointMetadata}">
                    <TextBlock Text="{Binding Tooltip}"/>
                </Grid>
            </DataTemplate>

            <Style x:Key="HeatmapStyle"
                   TargetType="local:CustomUniformHeatmapRenderableSeries"
                   BasedOn="{StaticResource {x:Type s:FastUniformHeatmapRenderableSeries}}">
                <Style.Triggers>
                    <DataTrigger Binding="{Binding Source={x:Reference Name=metadataSwitch}, Path=IsChecked}" Value="True">
                        <Setter Property="s:TooltipModifier.TooltipTemplate" Value="{StaticResource TooltipItemTemplate}"/>
                    </DataTrigger>
                </Style.Triggers>
            </Style>
        </ResourceDictionary>
    </UserControl.Resources>

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>

        <ext:SciChartInteractionToolbar TargetSurface="{Binding Source={x:Reference Name=sciChart}}">
            <ext:FlyoutMenuButton Content="MD" Padding="0" Style="{StaticResource FlyoutMenuButtonStyle}">
                <ext:FlyoutMenuButton.PopupContent>
                    <StackPanel MinWidth="150" Orientation="Vertical">
                        <TextBlock Text="Get data from Metadata"/>
                        <CheckBox x:Name="metadataSwitch"
                                  Margin="4"
                                  Content="UseMetaData"
                                  Checked="EnableMetadatas"
                                  Unchecked="DisableMetadatas"/>
                    </StackPanel>
                </ext:FlyoutMenuButton.PopupContent>
            </ext:FlyoutMenuButton>

            <ext:FlyoutMenuButton Content="TF" Padding="0" Style="{StaticResource FlyoutMenuButtonStyle}">
                <ext:FlyoutMenuButton.PopupContent>
                    <StackPanel MinWidth="150" Orientation="Vertical">
                        <TextBlock Text="Texture Filtering"/>
                        <CheckBox x:Name="textureSwitch"
                                  Margin="4"
                                  Content="UseLinearTextureFiltering"/>
                    </StackPanel>
                </ext:FlyoutMenuButton.PopupContent>
            </ext:FlyoutMenuButton>
        </ext:SciChartInteractionToolbar>

        <s:SciChartSurface Grid.Column="1"
                           x:Name="sciChart" 
                           Padding="0"
                           BorderThickness="0">

            <s:SciChartSurface.RenderableSeries>
                <local:CustomUniformHeatmapRenderableSeries x:Name="heatmapSeries"
                                                            DrawTextInCell="True"
                                                            Opacity="0.9"
                                                            UseLinearTextureFiltering="{Binding IsChecked, Mode=OneWay, Source={x:Reference Name=textureSwitch}}"
                                                            Style="{StaticResource HeatmapStyle}">
                    <local:CustomUniformHeatmapRenderableSeries.ColorMap>
                        <s:HeatmapColorPalette Minimum="0" Maximum="100">
                            <GradientStop Color="Blue" Offset="0"/>
                            <GradientStop Color="White" Offset="0.3"/>
                            <GradientStop Color="Green" Offset="0.5"/>
                            <GradientStop Color="Yellow" Offset="0.7"/>
                            <GradientStop Color="Red" Offset="1"/>
                        </s:HeatmapColorPalette>
                    </local:CustomUniformHeatmapRenderableSeries.ColorMap>
                </local:CustomUniformHeatmapRenderableSeries>
            </s:SciChartSurface.RenderableSeries>

            <s:SciChartSurface.XAxis>
                <s:NumericAxis x:Name="xAxis"
                               FlipCoordinates="False"
                               ScientificNotation="None" 
                               DrawMajorBands="True" />
            </s:SciChartSurface.XAxis>

            <s:SciChartSurface.YAxis>
                <s:NumericAxis x:Name="yAxis"
                               FlipCoordinates="True"
                               ScientificNotation="None" 
                               DrawMajorBands="True" />
            </s:SciChartSurface.YAxis>

            <s:SciChartSurface.ChartModifier>
                <s:ModifierGroup>
                    <s:TooltipModifier/>
                    <s:ZoomPanModifier ClipModeX="None"/>
                    <s:MouseWheelZoomModifier/>
                    <s:RubberBandXyZoomModifier ExecuteOn="MouseRightButton"/>
                    <s:ZoomExtentsModifier ExecuteOn="MouseDoubleClick"/>
                </s:ModifierGroup>
            </s:SciChartSurface.ChartModifier>
        </s:SciChartSurface>

        <s:HeatmapColorMap Grid.Row="1"
                           Grid.Column="1"
                           Background="{Binding Source={x:Reference Name=sciChart}, Path=Background}" 
                           Foreground="{Binding Source={x:Reference Name=sciChart}, Path=Foreground}" 
                           HorizontalAlignment="Stretch"
                           VerticalAlignment="Bottom"
                           DataContext="{Binding Source={x:Reference Name=heatmapSeries}, Mode=OneWay}"
                           ColorMap="{Binding ColorMap.GradientStops, Converter={StaticResource ColorsToLinearGradientBrushConverter}}"
                           Minimum="{Binding ColorMap.Minimum}"
                           Maximum="{Binding ColorMap.Maximum}"
                           TextFormatting="n0"
                           Opacity="0.9" />
    </Grid>
</UserControl>

// HeatmapMetadata.xaml.cs

View on Github 
// *************************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2022. All rights reserved.
//  
// Web: http://www.scichart.com
//   Support: support@scichart.com
//   Sales:   sales@scichart.com
// 
// HeatmapMetadata.xaml.cs is part of the SCICHART® Examples. Permission is hereby granted
// to modify, create derivative works, distribute and publish any part of this source
// code whether for commercial, private or personal use. 
// 
// The SCICHART® examples are distributed in the hope that they will be useful, but
// without any warranty. It is provided "AS IS" without warranty of any kind, either
// expressed or implied. 
// *************************************************************************************
using System;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using SciChart.Charting.Model.DataSeries;
using SciChart.Charting.Model.DataSeries.Heatmap2DArrayDataSeries;
using SciChart.Charting.Visuals.PaletteProviders;
using SciChart.Charting.Visuals.RenderableSeries;
using SciChart.Examples.ExternalDependencies.Data;

namespace SciChart.Examples.Examples.HeatmapChartTypes.HeatmapMetadata
{
    /// <summary>
    /// Interaction logic for HeatmapMetadata.xaml
    /// </summary>
    public partial class HeatmapMetadata : UserControl
    {
        private const int _width = 31;
        private const int _height = 22;

        public HeatmapMetadata()
        {
            InitializeComponent();

            heatmapSeries.DataSeries = CreateSeries();
        }

        private IDataSeries CreateSeries()
        {
            var data = new double[_height, _width];

            IPointMetadata[,] metaDatas = new IPointMetadata[_height, _width];

            var zValues = FillZValues();

            for (int y = 0; y < _height; y++)
            {
                for (int x = 0; x < _width; x++)
                {
                    var dataValue = zValues[y * _width + x];

                    //Metadata 
                    var metadata = new UniformHeatmapMetaData
                    {
                        IsSelected = false,
                        IsBody = dataValue > 0,
                        CellColor = (dataValue == 0) ? Colors.Transparent : Colors.DeepPink,
                        Tooltip = dataValue == 0 ? "Not Elephant" : "Elephant",
                    };

                    data[y, x] = dataValue;
                    metaDatas[y, x] = metadata;
                }
            }
            return new UniformHeatmapDataSeries<int, int, double>(data, 0, 1, 0, 1, metaDatas);
        }

        private double[] FillZValues()
        {
            var rnd = new RandomWalkGenerator(0);
            var lenght = _height * _width;
            var zValues = new double[lenght];

            // block1
            zValues[GetValueableIndex(0, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(1, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(1, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(2, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(2, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(3, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(3, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(4, 14)] = rnd.Next(20, 100);

            // block2
            zValues[GetValueableIndex(5, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(5, 15)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(6, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(6, 16)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(7, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(7, 17)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(8, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(8, 18)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(9, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(9, 19)] = rnd.Next(20, 100);

            // block3
            zValues[GetValueableIndex(10, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(10, 14)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(11, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(11, 14)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(12, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(12, 13)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(13, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(13, 14)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(14, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(14, 21)] = rnd.Next(20, 100);

            // block4
            zValues[GetValueableIndex(15, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(15, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(16, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(16, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(17, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(17, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(18, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(18, 17)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(19, 0)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(19, 16)] = rnd.Next(20, 100);

            // block5
            zValues[GetValueableIndex(20, 0)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(20, 16)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(21, 0)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(21, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(22, 0)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(22, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(23, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(23, 21)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(24, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 16)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 17)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 18)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 19)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 20)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(24, 21)] = rnd.Next(20, 100);

            // block5
            zValues[GetValueableIndex(25, 1)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(25, 15)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(26, 2)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(26, 14)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(27, 3)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 4)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 5)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(27, 13)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(28, 6)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(28, 7)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(28, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(28, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(28, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(28, 11)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(29, 8)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(29, 9)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(29, 10)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(29, 11)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(29, 12)] = rnd.Next(20, 100);

            zValues[GetValueableIndex(30, 12)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(30, 13)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(30, 14)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(30, 15)] = rnd.Next(20, 100);
            zValues[GetValueableIndex(30, 16)] = rnd.Next(20, 100);

            return zValues;
        }

        private int GetValueableIndex(int x, int y)
        {
            return (y * _width) + x;
        }

        private void EnableMetadatas(object sender, RoutedEventArgs e)
        {
            heatmapSeries.PaletteProvider = new HeatmapMetaDataPaletteProvider();
        }

        private void DisableMetadatas(object sender, RoutedEventArgs e)
        {
            heatmapSeries.PaletteProvider = null;
        }
    }

    public class CustomUniformHeatmapRenderableSeries : FastUniformHeatmapRenderableSeries
    {
        public override string FormatDataValue(double dataValue, int xIndex, int yIndex)
        {
            IPointMetadata[,] metaDatas = ((IHeatmapDataSeries)DataSeries).Metadata;
            if (metaDatas != null)
            {
                var metaData = (UniformHeatmapMetaData)metaDatas[yIndex, xIndex];
                return metaData.IsBody ? base.FormatDataValue(dataValue, xIndex, yIndex) : string.Empty;
            }
            return base.FormatDataValue(dataValue, xIndex, yIndex); ;
        }
    }

    public class UniformHeatmapMetaData : IPointMetadata
    {
        public event PropertyChangedEventHandler PropertyChanged;
        public bool IsSelected { get; set; }
        public Color CellColor { get; set; }
        public bool IsBody { get; set; }
        public string Tooltip { get; set; }
    }

    public class HeatmapMetaDataPaletteProvider : IHeatmapPaletteProvider
    {
        public void OnBeginSeriesDraw(IRenderableSeries rSeries)
        {
        }

        public Color? OverrideCellColor(IRenderableSeries rSeries, int xIndex, int yIndex, IComparable zValue, Color cellColor, IPointMetadata metadata)
        {
            if (metadata != null)
            {
                cellColor = ((UniformHeatmapMetaData)metadata).CellColor;
            }
            return cellColor;
        }
    }
}

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Link Multiple Charts
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Modify Axis Behavior
MVVM Examples
Styling and Theming
Ternary Chart Types
Tooltips and Hit Test
Zoom and Pan a Chart
Zoom History Manager

3D Charts

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Customize 3D Charts
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Style a 3D Chart
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