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2 answers
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Hello everyone,

I'm new to Telerik and a quite beginner in C#. I would like to use ChartView to display a real-time value that I read every X milliseconds and add it to the graph. The X-axis should indicate seconds, so each point is defined in terms of X and Y. Several thousand points need to be generated and displayed. The chart should display 3 curves. 1 RealTime curve , 1 Superior Limit that is fixed, 1 Inferior Limit that is fixed.

Could someone help me get started on this? (what structure for the points, adding series). Every help is welcome.

Cheers

Massimo

Massimo
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Iron
 updated answer on 13 Feb 2024
1 answer
11 views
I want to zoom and pan the chart using the keyboard with the plus/minus and cursor keys. This works for the Map Control. However, I'm unable to use the mouse to set the focus on the chart to receive keys. I can tab to the chart, not clicking the mouse does not work and the focus remains on the currently focused element.
Martin Ivanov
Telerik team
 answered on 25 Jan 2024
1 answer
21 views

I am currently using a RadCartesianChart and ChartSeriesProvider to display multiple ScatterPointSeries.  These series will have 10's of thousands of points in them.  The only rendering option that has worked well for this is BitmapRenderOptions. However, when using BitmapRenderOptions I can't get tooltips to show and I can't select any points.

Is this a know limitation of the BitmapRenderOptions or is there a way to get it to work?  I'm basically using the Large Data demo but trying to add a selection and tooltip behavior. 

Selection and tooltip work fine if I use the default XamlRenderOptions, but the performance is too bad to use.

Martin Ivanov
Telerik team
 answered on 25 Dec 2023
1 answer
14 views

We are using the RadCartesianChart component to plot datasets that contain digitized signals from a communications channel. The signals are periodic in nature, and we divide the stream into a series of single period datasets. We will then plot all the datasets on the same RadCartesianChart using a common time reference. The result will be a large number of datasets overlaid on the same Cartesian surface.

So far so good.

Now we want the visual image to use color to show density of the overlaid plots similar to a communications eye diagram as shown below. In that diagram there are 8 million overlaid signals, and the colors encode a density scale allowing visualization of the distribution of discrepancies in the overlaid signals. Is this possible using the RadCartesianChart component? If not directly supported are there mechanisms to customize the plotting to achieve something like this?

Martin Ivanov
Telerik team
 answered on 14 Dec 2023
0 answers
28 views
I have 2  radcartesianchart
one with label on the box axis
and the 2nd one is without the labels at all

I want to the top chart(the one without label) will the start after the labels end (on the y-axis) in the top chart
the label on the bottom chart are not fixed size and can be changed so doing something like fixed width or margin wont do the trick

I was trying to follow the guidelines from this questions ,but still it didn't worked for me
Ofir
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 asked on 21 Aug 2023
1 answer
36 views

When using version 2023.2.718 targeting .NET 6.0 on VS 2022, I tried to create a RadCartesianChart as described here: https://docs.telerik.com/devtools/wpf/controls/radchartview/multiple-chart-series

The PointSeries and BarSeries are recognized as expected, but LineSeries generates errors that make the designer complain about invalid markup:

The program builds and runs fine.

Anyone have a clue as to what is happening here?

 

Dinko
Telerik team
 answered on 25 Jul 2023
1 answer
51 views

Hello.

I want to show in my pie chart only values not percentage.  How I can do this?

<telerik:RadPieChart
     x:Name="chart"
     Palette="Windows8"
     HoverMode="FadeOtherItems"
     HorizontalAlignment="Stretch"
     Foreground="{StaticResource KolorCzcionki1}"
     FontSize="{StaticResource HeaderFontSize}"                            
     VerticalAlignment="Stretch">
         <telerik:PieSeries ItemsSource="{Binding Raport, UpdateSourceTrigger=PropertyChanged}"
              ShowLabels="True"                                               
              ValueBinding="Ilosc"
              DisplayName="Name">
                  <telerik:PieSeries.LegendSettings>
                      <telerik:DataPointLegendSettings TitleBinding="Name"/>
                  </telerik:PieSeries.LegendSettings>
           </telerik:PieSeries>          
</telerik:RadPieChart>


Martin Ivanov
Telerik team
 answered on 27 Apr 2023
0 answers
39 views

If I Set the ChartPanAndZoomBehavior to "Both", I can zoom a both within the same ratio or zoom one axis on its scrollbar.

 

How can I lock the two Axis to the same display ratio? (Same value/pixel ratio , I have the same unit meter on both axis), and allow the user zoom only together with two axis, disable the func of zoom single axis. 

Guang
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Iron
 updated question on 07 Mar 2023
0 answers
46 views

Hi, I'm Seungbum Park.

First of all, plz understand that I am not good at English.

 

I have two questions.

1.  I am referring to the Domo project in SDK beacause I want to show Async Data as a chart. However, I want the data on the X-Axis to behave like Stopwatch, but I have tried many times and failed. I'd like to get some advice on this.

 

2. I don't understand about Specific Properties named 'TickOrigin' . 

 

The above two problems need to be solved to purchase a license from my company. I'd appreciate your help.

Seungbum
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 asked on 10 Feb 2023
1 answer
63 views
Hello Teleriks. We are currently working on an application that has Telerik chart with a horizontal DateTimeContinuousAxis that is updating every second using ChartPanAndZoomBehavior so we can pan through timeline. What we are trying to accomplish is to have a few buttons one that show the latest 4hrs of chart data, another one that can show the entire chart data, and one other that will move the pan up the front so you can see the latest chart update; on the first 2 ones we want to remove the ChartPanAndZoomBehavior programmatically, but when we tried to set the ActualVisibleRange of the chart,  were not able to find a way. Can you point us in the right direction. Thanks in advance.
Dilyan Traykov
Telerik team
 answered on 26 Jan 2023
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