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Point Shapes in Line Chart
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Pete
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Pete asked on 07 May 2008, 10:13 AM
Hi, is it possible to change the shape of the points in a line chart, so that for example we could have a star instead of a circle, if so how is this achieved ?

Thanks a lot,

Pete.

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Shinu
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answered on 07 May 2008, 12:22 PM
Hi Pete,

Go through the following forum links.

Styling Chart Elements
Custom Appearance Properties

Shinu.
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Pete
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answered on 13 May 2008, 01:15 PM
Hi, these forums don't show me how to change an individual point depending on a value, is this possible

ie ,

if (double.Parse(results.Rows[i]["ObservationValue"].ToString()) > 2)

{

RRChartSeries1.Items[i].ActiveRegion.Tooltip =

"Too HIGH";
RRChartSeries1.Items[i].Appearance.FillStyle.MainColor = System.Drawing.
Color.Red;

}

and I want to set a different point shape depending on this value being true ?

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Giuseppe
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answered on 14 May 2008, 07:28 AM
Hello Pete,

Unfortunately you cannot set different point marks for the line series items depending on their value -- you can choose a point mark figure for the whole series from the predefined values (Cross, Diamond, Circle, Rectangle, Star3, Star4, Star5, Star6) and set it like this:

<rad:RadChart ID="RadChart1" runat="server"
    <Series> 
        <rad:ChartSeries DataYColumn="Value" Type="Line"
            <Appearance> 
                <PointMark Figure="Cross" Visible="True"
                    <FillStyle FillType="Solid" MainColor="Yellow"
                    </FillStyle> 
                </PointMark> 
            </Appearance> 
        </rad:ChartSeries> 
    </Series> 
    <PlotArea> 
        <YAxis AxisMode="extended"
        </YAxis> 
    </PlotArea> 
</rad:RadChart> 



Regards,
Manuel
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Pete
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answered on 14 May 2008, 02:42 PM
Thanks for the fast reply. I will find another way of doing this.
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Chris
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answered on 08 Mar 2009, 10:09 AM
How i can activate the predefined point shapes using vb.net code? In the manual i cannot find any informations ...

thanks chris
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Chris
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answered on 08 Mar 2009, 10:11 AM

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Giuseppe
Telerik team
answered on 10 Mar 2009, 11:06 AM
Hello Chris,

Here is a sample VB.NET code snippet to get you started:

    Protected Sub Page_Load(ByVal sender As ObjectByVal e As System.EventArgs) Handles Me.Load 
 
        Dim series As New ChartSeries() 
 
        series.Type = ChartSeriesType.Line 
 
        series.AddItem(5) 
        series.AddItem(11) 
        series.AddItem(15) 
        series.AddItem(11) 
 
        series.Appearance.PointMark.Figure = Telerik.Charting.Styles.DefaultFigures.Diamond 
        series.Appearance.PointMark.Visible = True 
        series.Appearance.PointMark.FillStyle.MainColor = Drawing.Color.Red 
        series.Appearance.PointMark.FillStyle.FillType = Styles.FillType.Solid 
 
        RadChart1.Series.Add(series) 
    End Sub 


Hope this helps.


Sincerely yours,
Manuel
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Pete
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Shinu
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Pete
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Giuseppe
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Chris
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