Hi,

This is a bug in my opinion, this a line can be drawn from 2 points.

While this will probably never fixed in the UWP project, I'm 99% sure the bug is in the WinUI project too since most of the rendering code is surely shared.

To repro the bug, just comment the 3rd data in the MainPage.xaml.cs file.

Sébastien

Hi! I'm building an UWP app and having some issues with the bar graph.

I would like to show the value-label for each Tick instead of categoryname.

Like the example in the attached image that is from another application:

As you can see there is no Label for the bar, only labels for the tick. How do I do that in an UWP application.

Hi,

In a RadCartesianChart with BarSeries, when a value is zero, we do see a 1px color line.

I do believe we should not see anything when a value is zero.

If the rendering engine is the same in WinUI, the behavior is surely there too.

Thanks
Sébastien

Hi,

My item source contains values from June 23rd and June 24th only.

When I start the app, I set the axis minimum date to today June 27th (and max June 28th).

When I click go previous day to June 24th and June 23rd, data appears -> Good.

However, when I go further in the past or go back to June 25th, 26th, 27th, etc, the data of June 24th are still there!

Hi,

My very short list of data is ordered by time. You will see that the rendering does not make sense.

You can run the sample: ChartBug.

As I understand, we can set the ItemSources of a SeriesSpline for like 1 month of data and control what is shown with the DateTimeContinuousAxis.Minimum and DateTimeContinuousAxis.Maximum values to set the visible range.

Thank you in advance
Sébastien

Hi,

I noticed this bad effect today. My main view has 3 RadCartesianChart:
- SplineSeries (Minute)
- BarSeries (Hour)
- BarSeries (Day)

If I opened the app then navigate to previous dates in the default chart, you can see that the performance is amazing. There is actually 1440 data points. Then if I go to the day view that has like 30 data points and go back to the first chart, the performance is super bad.

In the second part of the video, I do the same exercise except I do not even navigate to previous dates, it means that the default chart has NO data in it! However, going to day chart then minute chart, the performance goes bad.

Sorry for the "spam" of bugs lately.

Thanks
Sébastien

Hi,

1- Run the app
2- After short time, you will see that the chart refreshes.

Data is added in real time on a 1 second timer, you can put the timer at 2 seconds and you will see the issu.e

With very few data, I would expect the Chart to not cause a flickering.

Thank you

We've got a RadCartesianChart with a BarSeries. We added the ChartTooltipBehaviour with a custom ContentTemplate. It's difficult to hover the mouse over bars with very small or zero values to get the tooltip to show, so I enabled `SnapToClosestPoint` for the tooltip. This works great for getting the tooltip to appear when hovering in the area above a bar, but if the tooltip gets rendered at a location where the mouse pointer is inside the tooltip, then the tooltip appears, disappears, appears, disappears, etc.

Has anyone else run into this issue? Anyone solved it?

I would like to create a chart where a stacked BarSeries is combined with a LineSeries. The horizontal axis is Categorical and shows week numbers (Category), the vertical is Linear (Value). The example data is this:

            List<Data> barCollection = new List<Data>();
            barCollection.Add(new Data { Category = "Wk 1", Label = "Preperation", Value = 5 });
            barCollection.Add(new Data { Category = "Wk 2", Label = "Preperation", Value = 3 });
            barCollection.Add(new Data { Category = "Wk 3", Label = "Preperation", Value = 4 });
            barCollection.Add(new Data { Category = "Wk 1", Label = "Production", Value = 4 });
            barCollection.Add(new Data { Category = "Wk 2", Label = "Production", Value = 3 });
            barCollection.Add(new Data { Category = "Wk 3", Label = "Production", Value = 3 });

            List<Data> lineCollection = new List<Data>();
            lineCollection.Add(new Data { Category = "Wk 1", Label = "Project", Value = 8 });
            lineCollection.Add(new Data { Category = "Wk 2", Label = "Project", Value = 7 });
            lineCollection.Add(new Data { Category = "Wk 3", Label = "Project", Value = 4 });
            lineCollection.Add(new Data { Category = "Wk 1", Label = "QuoteAndProjects", Value = 8 });
            lineCollection.Add(new Data { Category = "Wk 2", Label = "QuoteAndProjects", Value = 9 });
            lineCollection.Add(new Data { Category = "Wk 3", Label = "QuoteAndProjects", Value = 7 });

The bar-items need to be stacked in each week. The line-items (Two lines, based on the Label) are separate from each other. They need to be shown in front of the bars, since they might not be visible otherwise.

I have found several simple examples of individual portions of this question, but the combination is what makes it difficult. Can anyone help me in the right direction? 

By default, ScatterAreaSeries / ScatterSplineAreaSeries seems to fill the area around Y = 0 axis (the blue).

I want ScatterAreaSeries / ScatterSplineAreaSeries to fill the area below the data point with negative Y value (the yellow area).

How can I achieve the yellow area with ScatterAreaSeries / ScatterSplineAreaSeries ?

Also, are there any Annotation / Series to fill the shape like yellow area?