Join Adjacent pointMarks in Line Chart

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  1. dhamo
    dhamo avatar
    19 posts
    Member since:
    Jun 2011

    Posted 04 Nov 2011 Link to this post

    Hi Team,
    I am working with Line chart and I got unexpected output.

    Please find the actual output of the chart in the image 
    LineChartImage_Actual.jpg. In that, the "Custom" value starts at 5:00 AM and Ends at 6:00 AM.  And "MyFiles" starts at 9:00 AM and ends at 9:30 AM.  Again "Custom" starts at 9:30 AM and Ends at 10:00 AM.

    I want to join the point mark of "MyFiles" at 9:30 AM and the point mark of "Custom" at 9:30 AM. And in the same way join the point mark of "Custom" at 10:00 AM and point mark of "Music" at 10:00 AM as these are adjacent point Marks in order to show a series of activities done as shown in the LineChartImage_Expected.jpg.

    Please help to achieve my above requirement. Else advise me to use the relevant chart. Thanks in advance.
    The code which i used is given below.

    <telerik:RadChart ID="radLineChart" runat="server" Width="1200" Height="800px"
                                                Margins-Left="10px" ChartImageFormat="Jpeg" Margins-Right="10px" UseSession="false">
                                                <Appearance BarWidthPercent="50">
                                                    <FillStyle MainColor="52, 52, 52">
                                                <ChartTitle Visible="false">
                                                    <TextBlock Text="Habit report">
                                                <Legend Visible="False"></Legend>
                                                    <Appearance Dimensions-Margins="20px, 10px, 90px, 150px">
                                                        <FillStyle MainColor="52, 52, 52">
                                                    <XAxis Appearance-LabelAppearance-RotationAngle="45" LayoutMode="Between" AxisLabel-TextBlock-Appearance-Position-AlignedPosition="BottomLeft">

    Cs :
                            radLineChart.PlotArea.XAxis.Appearance.ValueFormat = Telerik.Charting.Styles.ChartValueFormat.ShortTime;
                            //radLineChart.PlotArea.XAxis.Appearance.LabelAppearance.RotationAngle = 90;

                            ChartSeries series = new ChartSeries();
                            series.Type = ChartSeriesType.Line;
                            series.DataYColumn = "AppGroupId";
                            series.DataXColumn = "Time";


                            radLineChart.PlotArea.XAxis.IsZeroBased = false;
                            radLineChart.PlotArea.XAxis.AutoScale = false;
                            //radLineChart.PlotArea.YAxis.IsZeroBased = false;
                            radLineChart.PlotArea.YAxis.AutoScale = false;

                            const double hourStep = 1 / 24.0;
                            double startTime = timeValue.AddHours(0).ToOADate();
                            double endTime = timeValue.AddHours(23).ToOADate();
                            radLineChart.PlotArea.XAxis.AddRange(startTime, endTime, hourStep);

                            ChartAxisItem cai_0 = new ChartAxisItem();
                            cai_0.TextBlock.Text = "Idle";
                            cai_0.Value = 0;
                            cai_0.TextBlock.Appearance.AutoTextWrap = AutoTextWrap.True;

                            int i = 0;
                            for (i = 0; i < ds.Tables[1].Rows.Count; i++)
                                ChartAxisItem cai = new ChartAxisItem();
                                cai.TextBlock.Text = ds.Tables[1].Rows[i]["Name"].ToString();
                                cai.Value = Convert.ToInt32(ds.Tables[1].Rows[i]["AppRowId"]);
                                cai.TextBlock.Appearance.AutoTextWrap = AutoTextWrap.True;

                            radLineChart.Series[0].Appearance.LabelAppearance.Visible = false;
                            //radLineChart.Series[0].Appearance.PointMark.Dimensions.Width = 5;
                            radLineChart.Series[0].Appearance.FillStyle.MainColor = System.Drawing.Color.FromArgb(234, 84, 134);

                            // visually enhance the data points
                            radLineChart.Series[0].Appearance.PointMark.Dimensions.Width = 5;
                            radLineChart.Series[0].Appearance.PointMark.Dimensions.Height = 5;
                            radLineChart.Series[0].Appearance.PointMark.FillStyle.MainColor = System.Drawing.Color.Black;
                            radLineChart.Series[0].Appearance.PointMark.Visible = true;

                            radLineChart.DataSource = FormattedRawData(ds.Tables[0], ds.Tables[1]);//, list);

                            radLineChart.Visible = true;
                            lblTitle.Visible = true;
                            lblTitle.Text = _reportTitle + " for " + txtStartDate.SelectedDate.Value.ToString("yyyy-MM-dd");

  2. dhamo
    dhamo avatar
    19 posts
    Member since:
    Jun 2011

    Posted 04 Nov 2011 Link to this post

    Hi Team,

    I some how managed this issue from my end. Please close this ticket. 

    If any help required,I will get back to you.
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