Demonstrates usage of VerticalSliceModifier for getting slices of series like when using RolloverModifier.

Tip!

You can add and remove slices on chart. Also you can click on vertical slice and drag it to change point of slice.

Documentation Links

– Adding draggable RolloverModifier style lines with the VerticalSliceModifier
– ChartModifier API – All Articles

Also of interest

– SeriesInfo – The Series ViewModel for Legends, Tooltips, Rollovers
– XySeriesInfo Type
– XyzSeriesInfo Type
– XyStackedSeriesInfo Type
– HlcSeriesInfo Type
– OhlcSeriesInfo Type
– BandSeriesInfo Type
– BoxPlotSeriesInfo Type

// SeriesVerticalSlicesExample.xaml

<UserControl x:Class="SciChart.Examples.Examples.InspectDatapoints.SeriesVerticalSlicesExample"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:ext="http://schemas.abtsoftware.co.uk/scichart/exampleExternals"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:s="http://schemas.abtsoftware.co.uk/scichart"
             d:DesignHeight="400"
             d:DesignWidth="600"
             mc:Ignorable="d">

    <UserControl.Resources>
        <Style x:Key="sliceStyle" TargetType="s:VerticalLineAnnotation">
            <Setter Property="ShowLabel" Value="True" />
            <Setter Property="Stroke" Value="#427EF6" />
            <Setter Property="IsEditable" Value="True" />
            <Setter Property="LabelPlacement" Value="Axis" />
            <Style.Triggers>
                <Trigger Property="IsSelected" Value="True">
                    <Setter Property="Stroke" Value="Red" />
                    <Setter Property="StrokeThickness" Value="3" />
                </Trigger>
            </Style.Triggers>
        </Style>
    </UserControl.Resources>

    <Grid>

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

        <ext:SciChartInteractionToolbar x:Name="UserToolbar" TargetSurface="{Binding Source={x:Reference Name=sciChart}}">

            <ext:FlyoutMenuButton x:Name="addVerticalSliceTooltip"
                                  HorizontalAlignment="Left"
                                  Click="OnCreateSliceClick"
                                  Content="+"
                                  FontSize="18"
                                  Padding="0"
                                  Style="{StaticResource FlyoutMenuButtonStyle}">

                <ext:FlyoutMenuButton.PopupContent>
                    <StackPanel MinWidth="150" Orientation="Vertical">
                        <TextBlock MaxWidth="150"
                                   Margin="5"
                                   FontSize="12"
                                   Foreground="White"
                                   Text="Click here then click on the chart to add a slice"
                                   TextWrapping="Wrap" />
                    </StackPanel>
                </ext:FlyoutMenuButton.PopupContent>
            </ext:FlyoutMenuButton>

            <ext:FlyoutMenuButton x:Name="removeVerticalSliceTooltip"
                                  HorizontalAlignment="Left"
                                  Click="OnDeleteSelectedSliceClick"
                                  Content="-"
                                  FontSize="18"
                                  Padding="0"
                                  Style="{StaticResource FlyoutMenuButtonStyle}">

                <ext:FlyoutMenuButton.PopupContent>
                    <StackPanel MinWidth="150" Orientation="Vertical">
                        <TextBlock MaxWidth="150"
                                   Margin="5"
                                   FontSize="12"
                                   Foreground="White"
                                   Text="Now click a slice to delete it"
                                   TextWrapping="Wrap" />

                    </StackPanel>
                </ext:FlyoutMenuButton.PopupContent>
            </ext:FlyoutMenuButton>

        </ext:SciChartInteractionToolbar>

        <s:SciChartSurface Name="sciChart" Grid.Column="1">

            <s:SciChartSurface.RenderableSeries>
                <s:FastLineRenderableSeries Stroke="#E6F867"
                                            StrokeDashArray="7 4"
                                            StrokeThickness="3" />
                <s:FastLineRenderableSeries Stroke="#4EDE4B"
                                            StrokeDashArray="5 8"
                                            StrokeThickness="3" />
                <s:FastLineRenderableSeries Stroke="#E91FE9"
                                            StrokeDashArray="7 9"
                                            StrokeThickness="3" />
            </s:SciChartSurface.RenderableSeries>

            <s:SciChartSurface.XAxis>
                <s:NumericAxis DrawMajorBands="True"
                               GrowBy="0.1, 0.1"
                               s:VerticalSliceModifier.AxisLabelContainerStyle="{x:Null}" />
            </s:SciChartSurface.XAxis>

            <s:SciChartSurface.YAxis>
                <s:NumericAxis GrowBy="0.1, 0.1" />
            </s:SciChartSurface.YAxis>

            <s:SciChartSurface.ChartModifier>
                <s:ModifierGroup>
                    <s:VerticalSliceModifier Name="sliceModifier">
                        <s:VerticalSliceModifier.VerticalLines>
                            <s:VerticalLineAnnotation Style="{StaticResource sliceStyle}" X1="1" />
                            <s:VerticalLineAnnotation Style="{StaticResource sliceStyle}" X1="3" />
                            <s:VerticalLineAnnotation Style="{StaticResource sliceStyle}" X1="5" />
                            <s:VerticalLineAnnotation Style="{StaticResource sliceStyle}" X1="7" />
                            <s:VerticalLineAnnotation Style="{StaticResource sliceStyle}" X1="9" />
                        </s:VerticalSliceModifier.VerticalLines>
                    </s:VerticalSliceModifier>
                    <s:LegendModifier Margin="0,0,0,5"
                                      LegendPlacement="Top"
                                      Orientation="Horizontal"
                                      ShowLegend="True" />
                </s:ModifierGroup>
            </s:SciChartSurface.ChartModifier>

        </s:SciChartSurface>

    </Grid>
</UserControl>

// SeriesVerticalSlicesExample.xaml.cs

// *************************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2021. All rights reserved.
//  
// Web: http://www.scichart.com
//   Support: support@scichart.com
//   Sales:   sales@scichart.com
// 
// SeriesVerticalSlicesExample.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.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using SciChart.Charting.Model.DataSeries;
using SciChart.Charting.Visuals.Annotations;
using SciChart.Examples.ExternalDependencies.Data;

namespace SciChart.Examples.Examples.InspectDatapoints
{
    /// <summary>
    /// Interaction logic for SeriesVerticalSlicesExample.xaml
    /// </summary>
    public partial class SeriesVerticalSlicesExample : UserControl
    {
        // A drop in replacement for System.Random which is 3x faster: https://www.codeproject.com/Articles/9187/A-fast-equivalent-for-System-Random
        private readonly Random _random = new Random();

        public SeriesVerticalSlicesExample()
        {
            InitializeComponent();
            Loaded += OnLoaded;
        }

        private void OnLoaded(object sender, RoutedEventArgs routedEventArgs)
        {
            var dataSeries0 = new UniformXyDataSeries<double>(0d, 0.01) { SeriesName = "Curve A" };
            var dataSeries1 = new UniformXyDataSeries<double>(0d, 0.01) { SeriesName = "Curve B" };
            var dataSeries2 = new UniformXyDataSeries<double>(0d, 0.01) { SeriesName = "Curve C" };

            var data1 = DataManager.Instance.GetSinewaveYData(0.8, 0.0, 1000, 3);
            var data2 = DataManager.Instance.GetSinewaveYData(0.5, -1.0, 1000, 5);
            var data3 = DataManager.Instance.GetSinewaveYData(0.7, 0.75, 1000, 7);

            dataSeries0.Append(data1);
            dataSeries1.Append(data2);
            dataSeries2.Append(data3);

            using (sciChart.SuspendUpdates())
            {
                sciChart.RenderableSeries[0].DataSeries = dataSeries0;
                sciChart.RenderableSeries[1].DataSeries = dataSeries1;
                sciChart.RenderableSeries[2].DataSeries = dataSeries2;
            }

            sciChart.ZoomExtents();
        }

        private void OnCreateSliceClick(object sender, RoutedEventArgs e)
        {
            MouseButtonEventHandler mouseClick = null;

            mouseClick = (s, arg) =>
            {
                MouseLeftButtonUp -= mouseClick;

                var mousePoint = arg.GetPosition((UIElement)sciChart.GridLinesPanel).X;

                var slice = new VerticalLineAnnotation()
                {
                    X1 = sciChart.XAxis.GetDataValue(mousePoint),
                    Style = (Style)Resources["sliceStyle"]
                };

                sliceModifier.VerticalLines.Add(slice);
            };

            MouseLeftButtonUp += mouseClick;
        }

        private void OnDeleteSelectedSliceClick(object sender, RoutedEventArgs e)
        {
            var selectedSlices = sliceModifier.VerticalLines.Where(annotation => annotation.IsSelected).ToList();

            foreach (var slice in selectedSlices)
            {
                sciChart.Annotations.Remove(slice);
            }
        }
    }
}

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